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[[File:OCP-servers-v1-17a3x.png|right]]
==Welcome==
Welcome to the OCP DC-MHS Sub-Project.
DC-MHS R1 envisions interoperability between key elements of datacenter, edge and enterprise infrastructure by providing consistent interfaces and form factors among modular building blocks.
DC-MHS R1 standardizes a collection of HPM (Host Processor Modules) form-factors and supporting ingredients to allow interoperability of HPMs and platforms.
There are six workstreams that comprise DC-MHS. The objectives of the six workstreams are the following:
*M-FLW (FulL Width HPM)
**Specify the requirements of a Full Width Host Processor Module (HPM). This is for use within products designed for minimum 19" rack, also known as compliant with EIA-310-E but can also accommodate larger 21" racks. This form factor enables a full width HPM usage for CPUs, DIMMs, and related features.
*M-DNO (DeNsity Optimized HPM)
**Outline the requirements of a family of partial width, DeNsity Optimized Host Processor Module (HPM) form factors within the OCP Modular 240 hardware system group of specifications (M-DNO for short). This M-DNO specification embodies design considerations for CPU, DIMMs, and other server processor related features commonly used by the industry today but is not limited to only those functions.
*M-XIO/PESTI (eXtended I/O Connectivity/PEripheral SideBand Tunneling Interface) :
**Outline the Modular Extensible I/O (M-XIO) source connector hardware strategy.  An M-XIO source connector enables entry and exit points between sources such as Motherboards, Host Processor Modules & RAID Controllers, and peripheral subsystems such as PCIe risers, backplanes, etc. M-XIO includes the connector, high speed and management signal interface details and supported pinouts.  Additionally, the workstream defines Interface (M-PESTI) base requirements for electrical and protocol compatibility between components of a DC-MHS platform. The M-PESTI protocol overloads a common PRSNT# signal with additional capabilities beyond simple presence/absence of a peripheral.
*M-PIC (Platform Infrastructure Connectivity)
**Defines and standardizes common elements needed to interface a Host Processor Module (HPM) to the platform/chassis infrastructure elements/subsystems within the DC-MHS 1.0 family of OCP servers. Standardization of the common interfaces and connectors enables hardware compatibility between DC-MHS HPMs and various DC-MHS system components.
*M-CRPS (Common Redundant Power Supply)
**Defines all the requirements for an M-CRPS internal redundant power supply used in Open Compute Project that could be used in different environments like home/office, datacenter, and high-performance computing, hence harmonizing the server power supply requirements used in the industry with the purpose of creating a standard specification that the customers and vendors of Enterprise and Hyperscale can use for their products.
*M-SIF (Shared InFrastructure)
**Improve interoperability related to shared infrastructure enclosures with multiple, serviceable modules. Modules containing elements (HPMs, DC-SCM, peripherals, etc.) are blind-matable and hot-pluggable into a shared infrastructure enclosure.
Disclaimer: Please do not submit any confidential information to the Project Community. All presentation materials, proposals, meeting minutes and/or supporting documents are published by OCP and are open to the public in accordance with OCP's Bylaws and IP Policy. This can be found on the [http://www.opencompute.org/about/ocp-policies/ OCP Policies] page. If you have any questions please contact OCP.




==Project Leadership==
==Project Leadership==


===Sub-Project Leads===
*[mailto:brian.d.aspnes@intel.com Brian Aspnes] (Intel)
*[mailto:shawn.dube@dell.com Shawn Dube] (Dell)


 
===Workstream Leads===
===Spec. Authors===
*M-FLW:  [mailto:brian.d.aspnes@intel.com Brian Aspnes] (Intel) and [mailto:corey.hartman@dell.com Corey Hartman] (Dell)
*M-FLW:  [mailto:brian.d.aspnes@intel.com Brian Aspnes] (Intel) and [mailto:corey.hartman@dell.com Corey Hartman] (Dell)
*M-DNO: [mailto:dirk.blevins@intel.com Dirk Blevins] (Intel) and [mailto:michael.gregoire@dell.com Michael Gregoire] (Dell)
*M-DNO: [mailto:dirk.blevins@intel.com Dirk Blevins] (Intel) and [mailto:michael.gregoire@dell.com Mike Gregoire] (Dell)
*M-XIO/PESTI:  [mailto:charlie.ziegler@dell.com Charlie Ziegler] (Dell) and [mailto:javier.lasa@intel.com Javier Lasa] (Intel)  
*M-XIO/PESTI:  [mailto:charlie.ziegler@dell.com Charlie Ziegler] (Dell) and [mailto:javier.lasa@intel.com Javier Lasa] (Intel)  
*M-PIC:  [mailto:tim.lambert@dell.com Tim Lambert] (Dell), [mailto:clifford.h.dubay@intel.com Cliff DuBay] (Intel), [mailto:owen.kidd@dell.com Owen Kidd (48V Addendum)] (Dell)
*M-PIC:  [mailto:tim.lambert@dell.com Tim Lambert] (Dell) and [mailto:clifford.h.dubay@intel.com Cliff DuBay] (Intel)  
*M-CRPS:  [mailto:aurelio.rodriguez.echevarria@intel.com Aurelio Rodriguez Echevarria] (Intel) and [mailto:jon.lewis@dell.com Jon Lewis] (Dell)
*M-CRPS:  [mailto:aurelio.rodriguez.echevarria@intel.com Aurelio Rodriguez Echevarria] (Intel) and [mailto:jon.lewis@dell.com Jon Lewis] (Dell)
*M-SIF:  [mailto:dirk.blevins@intel.com Dirk Blevins] (Intel) and [mailto:gregory.sellman@amd.com Greg Sellman] (AMD)
*M-SIF:  [mailto:dirk.blevins@intel.com Dirk Blevins] (Intel) and [mailto:gregory.sellman@amd.com Greg Sellman] (AMD)
*M-SDNO:  [mailto:brian.d.aspnes@intel.com Brian Aspnes] (Intel), [mailto:michael.gregoire@dell.com Michael Gregoire] (Dell), [mailto:corey.hartman@dell.com Corey Hartman] (Dell), and [mailto:andrew.junkins@amd.com Andy Junkins] (AMD)
 
*M-PnP: [mailto:tim.lambert@dell.com Tim Lambert] (Dell) and [mailto:phillip.leech@hpe.com Phil Leech] (HPE)
===Incubation Committee Representative===
*Edge-MHS: [mailto:dirk.blevins@intel.com Dirk Blevins] (Intel), [mailto:jayesh@amperecomputing.com Jayesh Shah] (Ampere), and [mailto:rodion.naurzalin@hpe.com Rodion Naurzalin] (HPE)
*[mailto:tavallaei@google.com Siamak Tavallaei] (Google)
 
===DC-MHS Wiki Administrator===
*[mailto:john.a.dinsmoor@intel.com John Dinsmoor] (Intel)
 


==Current Status==
==Current Status==
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DC-MHS R1 v1.0 specs have been approved by the OCP Incubation Committee in November 2022.
DC-MHS R1 v1.0 specs have been approved by the OCP Incubation Committee in November 2022.


DC-MHS workstreams are working the MHS R1 v1.1 specifications. Note:  M-SIF is a workstream new to DC-MHS.  An early version of the M-SIF specification (version 0.5) is included in the Latest DC-MHS Specification section.
DC-MHS workstreams are working the DC-MHS R1 v1.1 specifications.
 
A link to a Readme file explaining how to use the following tables (Latest DC-MHS Specifications, Errata and Supporting Documentation, and Inactive Documents) is here:  [https://docs.google.com/presentation/d/1CyVsLCPpkJb0FV_ZOYjWndqE4AHATdh-/edit?usp=share_link&ouid=107990764505043211297&rtpof=true&sd=true Link]
 


===Latest Released DC-MHS Specifications===
''Note: M-SIF is a workstream new to DC-MHS. M-SIF is working on v1.0 specification.''


Note:  The Final Spec Agreement (FSA) for the latest specs has not yet been signed.  You may access the released versions in the Contribution Database ([https://www.opencompute.org/contributions?query=DC-MHS Contribution Database]).
===Latest DC-MHS Specifications===


{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
|-
! Type !! Description !! Version !! Submit Date !! Contributor !! style="min-width:100px;"| Link !! Notes
! Type !! Description !! Version !! Submit Date !! Contributor !! License !! Notes
|-
| Specification
|| M-PIC Base Specification 48V Addendum
|| 0.6
|| 6/6/2024
|| Cliff DuBay
|| [https://drive.google.com/file/d/1eDkv7DgxqHjUtF0h785nW0ULO58k1o0M/view?usp=drive_link 0.6 Link (non CB Version)]<br>
[https://drive.google.com/file/d/1dD9z0Pm_UsC_G9gYGsk6TPAmRl7VSP-W/view?usp=drive_link 0.6 Link (CB version)]
|| Updates:
*Added updates from M-PIC v1.05.
*Updated PDB Management naming.
*Added 48V requirements to the Compliance Checklist.
*Updated from ORv3 to 48V Rack throughout.
*Added a requirement for 48V peripherals that also use 12V in section 10.2.11.
*Removed the requirement for 12V PICPWR connectors to be used for egress only on 48V HPMs and PDBs.
*Added a contributor.
|-
|-
| Specification  
| Specification || DC-MHS v1.0 specifications:<br />[https://www.opencompute.org/documents/m-flw-r1-v1p0-rc5-pdf M-FLW_R1_v1p0]<br />[https://www.opencompute.org/documents/m-dno-r1-v1p0-rc5-pdf M-DNO_R1_v1p0]<br />[https://www.opencompute.org/documents/m-xio-r1-v1p0-rc4-pdf M-XIO_R1_v1p0]<br />[https://www.opencompute.org/documents/m-pic-r1-v1p0-rc7-pdf M-PIC_R1_v1p0]<br />[https://www.opencompute.org/documents/m-crps-r1-v1p0-rc4-pdf M-CRPS_R1_v1p0]<br />[https://www.opencompute.org/documents/m-pesti-r1-v1p0-rc2-pdf M-PESTI_R1_v1p0] || R1-v1.0_RC || 9/28/2022 || DC-MHS CLA group || OWF || Reviewed in Oct meeting. Approved by the IC on 11/4/2022<br /><br />All specifications can be found in the [https://www.opencompute.org/contributions?query=DC-MHS Contribution Database]
|| M-PIC Base Specification
|| 1.05
|| 5/17/2024
|| Cliff DuBay
|| [https://drive.google.com/file/d/1PKvY42N4fzlGQCznqlSgoakhPLdIILYt/view?usp=drive_link 1.05 Link (non CB Version)]<br>
[https://drive.google.com/file/d/1xuS-AyIYuN_W2OE4waZzu6BLe7XULPil/view?usp=drive_link 1.05 Link (CB version)]
|| Updates:
*Clarified SB signals to be unique per channel instead of per connector.
*Simplified peripheral input requirements in section 9.1.6.
|-
| Specification
|| M-SDNO Base Specification
|| 0.9 RC2
|| 4/18/24
|| Mike Gregoire
|| [https://drive.google.com/file/d/1gmKA86XDlH40FMM5t0ZyMzr1JU9DD5-e/view?usp=drive_link Link (no change bar)]<br>[https://drive.google.com/file/d/1aOKo4cuEiyzEP-ooqSfjWoOx7JI4C98z/view?usp=drive_link Link (CB Version)]
|| Updates:
*Added option to support 2nd DC-DCM and DSFF NIC for Class C/D HPMs
|-
| Specification
|| M-FLW Base Specification
|| 1.1 RC2
|| 4/5/2024
|| Brian Aspnes
|| [https://drive.google.com/file/d/1UhR1Lv_BBenuYWqILQooW2cj0YBWvSuS/view?usp=drive_link Link (non CB Version)]<br>[https://drive.google.com/file/d/1NT9Ml5d0ETvH1oAOOtxJcw35DrJKmlVm/view?usp=drive_link Link (CB version)]
|| Updates:
*Updated M-FLW to be consistent with M-SDNO and M-DNO
|-
| Specification
|| M-DNO Base Specification
|| 1.1 RC2
|| 3/21/2024
|| Mike Gregoire
|| [https://drive.google.com/file/d/1My2AvE3catnghCFOhGAXKFH8Wwu15TtS/view?usp=drive_link Link (non CB Version)]<br>[https://drive.google.com/file/d/1R300DeVCdboe04hk8OYSv1CkPaf0pNG_/view?usp=drive_link Link (CB version)]
|| Updates:
*Completed M-DNO Type 3 length to be consistent with M-SDNO.A555
*Updated M-DNO to be consistent with M-SDNO
|-
| Specification
|| M-PESTI Base Specification
|| 1.2 RC2
|| 3/14/24
|| Jeff Kennedy
|| [https://drive.google.com/file/d/1QQ3GfDzTk5SxdgS-O8sTWjwuyzBsCmw2/view?usp=drive_link Link (no change bar)]<br>[https://drive.google.com/file/d/1IKukmYfK4odMg9vJ5KIzcDloc-O7WwiX/view?usp=drive_link Link (CB Version)]
|| Several small updates including:
*Modifying the presence pulldown range.
*Amending payload format.
|-
| Specification
|| M-XIO Base Specification
|| 1.04 RC1
|| 2/28/24
|| Charlie Ziegler
|| [https://drive.google.com/file/d/19YLMtsquBXUIfRlqPN4B73DY09cJBD3H/view?usp=drive_link Link (non CB Version)]
[https://drive.google.com/file/d/16UX1dyT8h-sZ2pfIZBL7368XFY5Sz8ZO/view?usp=drive_link Link (CB version)]
|| Updates:
*Update compliance link.
*Fix typos.
|-
| Specification
|| M-CRPS Base Specification
|| 1.04 RC3
|| 2/22/24
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/1b97aRO_2w_SQcgmHw4N_CxOCRVi2v61k/view?usp=drive_link RC3 Link]
[https://drive.google.com/file/d/1Kv0zMdAfCHDvTC44UtOpCWHt1AbMdmr4/view?usp=drive_link Mech Dwg]
|| Update:
*Updated typo in a dimension in the following mechanical drawings.
|-
| Specification
|| M-SIF Base Specification
|| 0.5
|| 10/2/2023
|| Greg Sellman
|| [https://drive.google.com/file/d/1XydP-ZXhKFRANi6Wuhtkp7TVAfkKKRCZ/view?usp=drive_link 0.5 Link (non CB Version)]
[https://drive.google.com/file/d/1oiK13rE4i1sBsobHv1aWAffGIen5a1X4/view?usp=drive_link 0.5 Link (CB version)]
|| Updates to high-speed IO & management interfaces. Connectors defined.
|}
|}


===Latest Released DC-MHS MCAD===
===Working Documents, ECNs, and Errata===
 
This sectin includes CAD, PDF Drawings, and other Collaterals from the DC-MHS Workstreams


{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
|-
! Spec. Impacted !! Name !! Format !! Version !! Submit Date !! Contributor !! Link !! Notes
! Name !! Format !! Version !! Submit Date !! Contributor !! Link !! Notes
|-
| SDNO
|| M-SDNO Class “C” Zip CAD Files
|| STP
|| CAD
|| 4/18/24
|| Andy Junkins
|| [https://drive.google.com/file/d/1wvtrhzANYEjggJL2OpfXPBtX-zCgJ4Oo/view?usp=drive_link Link]
|| Includes C305, C335, and C555.
|-
| SDNO
|| M-SDNO Class “D” Zip CAD Files
|| STP
|| CAD
|| 4/18/24
|| Andy Junkins
|| [https://drive.google.com/file/d/12NNqfeEklloIYGRbPSU0JfavdcZcZPsG/view?usp=drive_link Link]
|| Includes D305, D335, and D555.
|-
|-
| DNO
| FLW CAD file 1.02 (Errata update) || STP || 1.02 || 1/4/2023 || Corey Hartman || [https://drive.google.com/file/d/12SaVz9NPKjkzKmu3v0KJ2_wfZ2a66Cu8/view?usp=share_link Link] || Errata update added missing rounds to PCB corners of CAD file, no change to spec.
|| M-DNO Type 3 MCAD
|| STP
|| CAD
|| 3/21/24
|| Brian Aspnes
|| [https://drive.google.com/file/d/1wRYghUkow1BJdRwUwAGVVobd6LQv6geO/view?usp=drive_link Link]
|| Type 3 CAD File
|-
|-
| SDNO
| Errata || M-XIO Specification || RC4 || 12/12/2022 || Javier Lasa || TBD, will add link in Jan 2023 || Update SFF-TA-1016 pinouts, clarification of the usage of 3P3 AUX_MGMT.
|| M-SDNO Class “A” Zip CAD Files
|| STP
|| CAD
|| 1/22/24
|| Brian Aspnes
|| [https://drive.google.com/file/d/1YK6dtS7hfkoRNrOTrXJRE0VsqW3xeBiz/view?usp=drive_link Link]
|| Includes A305, A335, and A555.
|-
|-
| SDNO
| FLW Rev 1.0 PDF Drawings || PDF || 1.01 || 10/12/2022 || Corey Hartman || [https://drive.google.com/file/d/1T7eQECRT3JBtDesC7DebBhbvaZT-S05P/view?usp=share_link Link] || Link to FLW Drawings
|| M-SDNO Class “B” Zip CAD Files
|| STP
|| CAD
|| 1/22/24
|| Brian Aspnes
|| [https://drive.google.com/file/d/1Lcxi2ek6lwPF4L4AoLH5ENmUjqerhs09/view?usp=drive_link Link]
|| Includes B305, B335, and B555.
|-
|-
| FLW
| FLW Rev 1.0 CAD || STP || 1.01 || 9/23/2022 || Corey Hartman || [https://drive.google.com/file/d/1Lia96jWfOch5CZUXqMOa_5wBYZ-0xUYc/view?usp=share_link Link] || Link to the FLW CAD files
|| T1 FLW
|| STP
|| CAD
|| 5/23/2023
|| Brian Aspnes
|| [https://drive.google.com/file/d/16ZMUqJWoGE5SZ-iKAvZAybNZVoor5zLM/view?usp=drive_link Link]
|| &nbsp;
|-
|-
| DNO
| DNO Rev 1.0 CAD || STP || 1.01 || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|| DNO Type 4 MCAD
|| STP
|| CAD
|| 2/15/23
|| Mike Gregoire
|| [https://drive.google.com/file/d/14qGvxn2yb_iIW25NvAWaxmJeY1mm0orJ/view?usp=drive_link DNO Type 4 Link]
|| Type 4 CAD
|-
|-
| DNO
| DNO Rev 1.0 PDF Drawings || PDF || 1.0 || &nbsp; || &nbsp; || &nbsp;
|| DNO Type 2 MCAD
|| STP
|| CAD
|| 10/26/22
|| Mike Gregoire
|| [https://drive.google.com/file/d/1K5K6Jx3eTGSqCjOwvBfuCg3Lbh0Qs1IE/view?usp=drive_link Link]
|| Type 2 CAD Files
|}
 
===Latest Released Design Specs ===
 
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
! Spec. Impacted !! Name !! Format !! Version !! Submit Date !! Contributor !! Link !! Notes
|-
| CRPS
|| CRPS Design Specifications
|| Design Specs
|| Zip (inc PDF)
|| 5/13/24
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/drive/folders/1nq1IXXFPVRd9ux6i21I43h4XxKe-j4ya?usp=drive_link Link]
|| Zip File
|-
| HPM
|| MHS Common Chassis Design for Differing HPM Thickness and CRPS Connector Offsets
|| Design Spec
|| PDF
|| 4/17/24
|| Patrick Hampton
|| [https://drive.google.com/file/d/1NlTsRcTIoqdtSfzN7BmS0DsQmD19Oc8y/view?usp=drive_link Link]
|| PDF File
|-
|}
 
===Errata and Supporting Documentation===
 
This section includes Errata and ECNs that have not been moved into a public spec release yet (these files supersede anything in the current released specs).
 
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
! Spec. Impacted !! Name !! Format !! Version !! Submit Date !! Contributor !! Link !! Notes
|-
| PIC
|| Current Connector List
|| Document
|| 1
|| 2/1/2023
|| Cliff DuBay
|| [https://docs.google.com/spreadsheets/d/1Vq_JxzZ43ysxBNHJ928vnzIcshA95GYGocaKmJCBC80/edit?usp=share_link Link]
|| M-PIC Connector List
|}
|}


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{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
|-
! Spec Impacted !! Name !! Format !! Version !! Submit Date !! Contributor !! style="min-width:100px;"| Link !! Notes
! Type !! Description !! Version !! Submit Date !! Contributor !! License !! Notes
|-
| CRPS
|| M-CRPS Design Specifications
|| Zip (inc PDF)
|| 1
|| 4/17/2024
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/1vBpCg3VhXHFfzQfVmS6GGRWk6jGU_DOE/view?usp=drive_link Link]
|| CRPS Design Specifications.
|-
| PIC
|| M-PIC Base Specification 48V Addendum
|| PDF
|| 0.3
|| 3/1/24
|| Cliff DuBay
|| [https://drive.google.com/file/d/1s-LYJnZg-TUbDS0f_ufa7lx-AXCrfJXd/view?usp=drive_link 0.3 Link (non CB Version)]<br>
[https://drive.google.com/file/d/1eoLctpEQ2kFhkVWWUuBd6LZsPAN3vHG8/view?usp=drive_link 0.3 Link (CB version)]
|| Update:
*Early directional version (0.3) of the M-PIC Base Specification 48V Addendum.
*The 48V content is being developed in a separate document with the intent to integrate it into the main M-PIC specification once the content is ready.
|-
| PIC
|| M-PIC Base Specification
|| PDF
|| 1.04
|| 3/1/24
|| Cliff DuBay
|| [https://drive.google.com/file/d/1N-yCjBuOtXmVqwwgVKK24-4pA9kNq1UN/view?usp=drive_link 1.04 Link (non CB Version)]<br>
[https://drive.google.com/file/d/1ORw0zDfueXGU_BPJ3ZJsr7hdOyiesqzX/view?usp=drive_link 1.04 Link (CB version)]
|| Update:
*Addressed V1.03 Errata.- Updated FULL_PWR_CYCLE_N/FLEXIO to avoid power-up failures.
*Updated PICPWR labeling requirements.
*Updated DC-SCM revisions supported.
*Simplified/clarified +12VStby "OR-ing", cable construction expectations, control panel SPI, and DC-SCM.
|-
| SDNO/FLW/DNO
|| M-HPM 1033 Errata Document
|| PDF
|| 1
|| 2/21/2024
|| Mike Gregoire
|| [https://drive.google.com/file/d/1WWJtX3iHG6bNhtzFFu9qO3Yl7s7IQaKT/view?usp=drive_link Link]
|| Corrected datum references when dimensioning 1033 riser locations which do not align with the released SFF-TA-1033 V1.0.
|-
| PIC
|| M_PIC_R1_V1.03_Errata
|| PDF
|| 1.03
|| 2/1/2024
|| Cliff DuBay
|| [https://drive.google.com/file/d/1A2SoAb48K-w4r1GB7MPycEJQw6aBcfJY/view?usp=drive_link Link]
|| Errata # 1: Update the description and requirements for the FULL_PWR_CYCLE_N/FLEXIO pin to avoid power-up failures.
|-
| SDNO
|| M-SDNO Base Specification
|| PDF
|| 0.7 RC3
|| 1/29/24
|| Brian Aspnes
|| [https://drive.google.com/file/d/1obyJXN5zDATVEsaMi_aduoFxQsa6Gzf4/view?usp=drive_link 0.7 RC3 Link]
|| Update:
* Major Changes including Class C Definition and Class C/D Primary SCM/NIC moved for common chassis.
|-
| SDNO
|| M-SDNO Class “C” Zip CAD Files
|| STP
|| 0.7
|| 1/22/24
|| Brian Aspnes
|| [https://drive.google.com/file/d/1gXnDVPRMuXOKsCsW6TjHRCG_2RvDti7R/view?usp=drive_link Link]
|| Includes C305, C335, and C555.
|-
| SDNO
|| M-SDNO Class “D” Zip CAD Files
|| STP
|| 0.7
|| 1/22/24
|| Brian Aspnes
|| [https://drive.google.com/file/d/1bB_Jk939M0OZpMj9ePU82H68_ea_sjNu/view?usp=drive_link Link]
|| Includes D305, D335, and D555.
|-
| CRPS
|| M-CRPS Base Specification
|| PDF
|| 1.03 RC2
|| 12/15/23
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/1-NDJ2bq-xiWrxVvanxt9uA4Q7OfphwhY/view?usp=drive_link 1.03 RC2 Link]
[https://drive.google.com/file/d/1ErNoBnIhlriR7gHBR6SBPyOgqAv6ASBc/view?usp=drive_link Mech Dwg]
|| Update:
*Multiple updates to many sections
*Updated pictures and figures
*Fixed typos
|-
| XIO
|| M-XIO Base Specification
|| PDF
|| 1.03
|| 11/21/23
|| Javier Lasa
|| [https://drive.google.com/file/d/1Awa3AjaGwgr4tY9aZZJCqnPHAN4o69Sk/view?usp=drive_link 1.03 Link (non CB Version)]
[https://drive.google.com/file/d/159tpefsdjDxQl6xljy-ZA_V6Wy365a-0/view?usp=drive_link 1.03 Link (CB version)]
|| Update:
*Version 1.03 of the specification with and without change bar.
*Changed pull-up from 127Kohm to 100Kohm on FLEXIO / CBL_PRES_PESTI_N topologies.
|-
| SNDO
|| M-SDNO Base Specification
|| PDF
|| 0.5
|| 10/2/2023
|| Brian Aspnes
|| [https://drive.google.com/file/d/1knfzOzEaBEFQ2PnkikmT_P5IlnUefwrC/view?usp=drive_link 0.5 Link]
|| Replaces the (Directional) M-DNO Specification Updates for HPM Types 5-7 0p3 RC2.pdf specification.
|-
| SDNO
|| M-SDNO Class “A” Zip CAD Files
|| STP
|| 0.5
|| 10/2/23
|| Brian Aspnes
|| [https://drive.google.com/file/d/1mXoZBWNi3bZmQ-TabuIY_5Ddz0VR-bw-/view?usp=drive_link Link]
|| Includes A305, A335, and A555.
|-
| SDNO
|| M-SDNO Class “B” Zip CAD Files
|| STP
|| 0.5
|| 10/2/23
|| Brian Aspnes
|| [https://drive.google.com/file/d/1xwR4cHkuRo5g7l7VrRAfnOIHHze1fc6b/view?usp=drive_link Link]
|| Includes B305, B335, and B555.
|-
| SDNO
|| M-SDNO Class “D” Zip CAD Files
|| STP
|| 0.5
|| 10/2/23
|| Brian Aspnes
|| [https://drive.google.com/file/d/1SQt9graR8BZC2beBFljTg-YPAMTXnOuQ/view?usp=drive_link Link]
|| Includes D305, D335, and D555.
|-
| PIC
|| M-PIC Base Specification
|| PDF
|| 1.03
|| 9/28/2023
|| Cliff DuBay
|| [https://drive.google.com/file/d/1bIsjQoUAiK4oVtwBkSNTldoJAIC1LpI3/view?usp=drive_link 1.03 Link (non CB Version)]<br>
[https://drive.google.com/file/d/13Vh0dFjW88jCZozOGR0XmAJ4674BC5hr/view?usp=drive_link 1.03 Link (CB version)]
|| Update:
*SGPIO and PDB Management RFU
*Cable Optimized boot connector rating & power control
*I3C recommendations
*SB - signal termination
|-
| CRPS
|| M-CRPS Base Specification
|| PDF
|| 1.02 RC2
|| 8/23/2023
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/1bhVL_XdduqiLCJB_D0tLynhOPv_1tT_9/view?usp=drive_link 1.02 RC2 Link]<br>
[https://drive.google.com/file/d/1uWUb1oxCnsd8voB4xLvJqcDNmuMujKgu/view?usp=drive_link 1.02 RC2 Mechanical Drawings]
|| Update:
*Multiple updates to many sections
*Updated pictures and figures
|-
| CRPS
|| M-CRPS Base Specification
|| PDF
|| 1.01 RC2
|| 7/26/2023
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/1zAL49A9970CZxXDfSWWHKmi8PyvYEhDG/view?usp=drive_link 1.01 RC2 Link]<br>[https://drive.google.com/file/d/1Vny_1d-e0IPqeJfheH_UlrXQL_BPkrAk/view?usp=drive_link 1.01 RC2 Mechanical Drawings]
|| Update:
*Integrated Errata
*Updated pictures and figures
|-
| M-DNO
|| M-DNO Base Specification
|| PDF
|| 1.01 RC2
|| 7/20/23
|| Mike Gregoire
|| [https://drive.google.com/file/d/1CKY8mDWPAh4oDrJETX-KkbiB9LJVoTAe/view?usp=drive_link 1.01 RC2 Link (non CB Version)]<br>
[https://drive.google.com/file/d/177Dsa-76x246txEPcyPvj4Erq2jsxyod/view?usp=drive_link 1.01 RC2 Link (CB version)]
|| Updates:
*Updated tables, link1.01 RC2 Link (non CB Versions, pictures)
|-
| PESTI
|| M-PESTI Base Specification
|| PDF
|| 1.1 RC5
|| 7/18/2023
|| Jeff Kennedy
|| [https://drive.google.com/file/d/1hnOL2afwPmXMyK99ljcBcCwqK_1bMZD4/view?usp=drive_link 1.1 RC5 Link (no change bar)]<br>[https://drive.google.com/file/d/1KIR9rJocHDXlJDDKsJanxMosnbyCxpRY/view?usp=drive_link 1.1 RC5 Link (CB Version)]
|| Update:
*BAUD accuracy tolerance changed to +/-2%.
*Overall clarification on the spec, general clean up.
*Simplified payload headers and source to destination discovery examples.
*See specification for detailed updates.
|-
| (Directional) M-DNO Types 5-7 0p3 RC2
|| Updated CAD Files for Type 7
|| STP
|| 1.0
|| 6/1/23
|| Andrew Junkins
|| [https://drive.google.com/file/d/1LhOi4WgXdm6WWViCzgCHzlIAPmN_OXSA/view?usp=drive_link Link]
|| Type 7 CAD Files - updated to match M-DNO v0.3 RC2 specification
|-
| FLW
|| M-FLW Base Specification
|| PDF
|| v1.01 RC2
|| 6/1/2023
|| Brian Aspnes
|| [https://drive.google.com/file/d/1xmUP0tMXLyHLYNhPwTmUvEaFyTK-oPqj/view?usp=drive_link 1.01 RC2 Link]<br>[https://drive.google.com/file/d/1Y7vwjZ58c4XrWGqw7mmbGSWxuwjVuBP6/view?usp=drive_link 1.01 RC2 Link (CB Version)]
||
*Fixes for date mismatches and Figure numbers.
*Change bar version
|-
| (Directional) M-DNO Types 5-7 0p3 RC2
|| Updated CAD Files for Type 6
|| STP
|| 1.0
|| 5/16/23
|| Brian Aspnes
|| [https://drive.google.com/file/d/1ql33NOGWQbUcXz96ZjfHcMH3Gjcogv5d/view?usp=drive_link Link]
|| Type 6 CAD Files
|-
| (Directional) M-DNO Types 5-7 0p3 RC2
|| Updated CAD Files for Type 5
|| STP
|| 1.0
|| 5/16/23
|| Brian Aspnes
|| [https://drive.google.com/file/d/1KmtxRLk7OhZWZJW9RsrvcN80Edr-lecy/view?usp=drive_link Link]
|| Type 5 CAD Files
|-
| (Directional) M-DNO Specification Updates for HPM Types 5-7 0p3 RC2
|| M-DNO Base Specification
|| PDF
|| v0.3 RC2
|| 5/16/23
|| Mike Gregoire
|| [https://drive.google.com/file/d/1MlVSquZywrB2Ht8sUjN9oKuhzRTB3Qk2/view?usp=drive_link 0.3 Link]
|| (Directional) M-DNO Specification Updates for HPM Types 5-7
|-
|-
| SIF
| &nbsp; || &nbsp; || &nbsp; || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|| M-SIF Base Specification
|| PDF
|| 0.3
|| 3/29/2023
|| Dirk Blevins
|| [https://drive.google.com/file/d/1Vz4n4rM4kYJPuW_WnjHzdH8HNcWl6voe/view?usp=share_link Link]
|| Early version (0.3) of the M-SIF specification
|-
| XIO
|| M-XIO Base Specification
|| PDF
|| 1.02
|| 3/16/2023
|| Javier Lasa
|| [https://drive.google.com/file/d/1LwFzpmi6nROouWC2Bw_Vz-JfJUK57Ae2/view?usp=share_link Version 1.02]<br>[https://drive.google.com/file/d/17ZpGByoswdDBp9Z8v3j0AA9lT7Ba_Y5S/view?usp=share_link Link]
|| Update:
*Version 1.02 of the Specification with the Change Bar.
*Added a compliance table.
|-
| PIC
|| M-PIC Base Specification
|| PDF
|| 1.02
|| 3/13/2023
|| Clifford DuBay
|| [https://drive.google.com/file/d/17Va-5lXufEZodzFWQOwEDPa0-pr5WSlS/view?usp=share_link Version 1.02]<br>[https://drive.google.com/file/d/1HdTkflKge0QI6maCi3svl0PIRYKpFO_X/view?usp=share_link Link]
|| Update:
*Version 1.02 of the Specification with the Change Bar.
*Improved compliance requirement visibility, clarified OR-ing requirement for +12V sources, & added contributors.
|-
| CRPS
|| Errata
|| PDF
|| RC4 Rev 2
|| 4/25/23
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/11xGUx2Y1qKkcuwK4owVBix8py7_katcV/view?usp=share_link Link]
|| Corrections in Rev 1.0 RC4 of the M-CRPS specification.
|-
| CRPS
|| Errata
|| PDF
|| RC4 Rev 1
|| 4/3/2023
|| Aurelio Rodriguez Echevarria
|| [https://drive.google.com/file/d/1TbUu4meHdnnJZ3VtSiy7sON2URYX73kY/view?usp=share_link Link]
|| Fixes typos and drawing errors.
|-
| PIC
|| M-PIC Base Specification
|| PDF
|| 1.01
|| 2/3/2023
|| Clifford DuBay
|| [https://drive.google.com/file/d/1JTDvOGOuTnFZjFgp2Ae2lebFZZCmnArc/view?usp=share_link Version 1.01]<br>[https://drive.google.com/file/d/1d2LHGnvyiBcQVCc1_lTO6Xo1WWYi_2Ml/view?usp=share_link Change Bar]
||
*Version 1.01 of the Specification with the Change Bar.
*Update Figures and Tables, add Errata content, include Hot Plug information.
|-
| PIC
|| M-PIC Errata 1 and 2
|| PDF
|| 1.0
|| 2/1/2023
|| Clifford DuBay
|| [https://drive.google.com/file/d/13G_x8I4XgwV9m6fb38sI1k9zKxfISlQs/view?usp=share_link Link]
||
*Errata 1:  Update Section 9.1 to Avoid High Current in Partial-Mate Conditions
*Errata 2: Update Section 9.1.7.6 to increase the Power Rating from 1080W to 2000W.
|-
| XIO
|| M-XIO Base Specification
|| PDF
|| 1.01 RC1
|| 1/24/2023
|| Javier Lasa
|| [https://drive.google.com/file/d/1NFDrByIIVKE3YpOkHtfXi1FYPeEKxVnQ/view?usp=share_link Link]
|| Incorporated Errata #1. ECN: Addition of cable construction considerations, incorporated cable considerations (alignment with PCI-SIG internal cable spec), clarification on P3V3_MGMT usage.
|-
| XIO
|| Errata
|| PDF
|| 1.0
|| 12/12/2022
|| Javier Lasa
|| [https://drive.google.com/file/d/1a-9o3YmJcMONEz7uQpqaBw7l8q_OJE2l/view?usp=sharing Link]
|| Update SFF-TA-1016 and SFF-TA-1033 pinouts.
|-
| DNO
|| M-DNO Type 3 CAD Files
|| STP
|| 1
|| 10/26/22
|| Mike Gregoire
|| [https://drive.google.com/file/d/1KwNNY5aDE_D0qRqW3V-29n_vVyMT5s77/view?usp=drive_link Link]
|| Type 3 CAD Files
|-
| XIO
|| M-XIO Specification
|| PDF
|| 1.0 RC4
|| 9/28/2022
|| Javier Lasa
|| [https://www.opencompute.org/documents/m-xio-r1-v1p0-rc4-pdf Link]
|| Reviewed in Oct meeting. Approved by the IC on 11/4/2022
|-
| PESTI
|| M-PESTI Specification
|| PDF
|| 1.0 RC2
|| 9/28/2022
|| Javier Lasa
|| [https://www.opencompute.org/documents/m-pesti-r1-v1p0-rc2-pdf Link]
|| Reviewed in Oct meeting. Approved by the IC on 11/4/2022
|-
| DNO
|| M-DNO
|| PDF
|| 1.0 RC5
|| 9/28/22
|| Michael Gregoire
|| [https://www.opencompute.org/documents/m-dno-r1-v1p0-rc5-pdf Link]
|| Reviewed in Oct meeting. Approved by the IC on 11/4/2022
|-
| FLW
|| M-FLW Specification
|| PDF
|| 1.0 RC5
|| 9/28/2022
|| Corey Hartman
|| [https://www.opencompute.org/documents/m-flw-r1-v1p0-rc5-pdf Link]
|| Reviewed in Oct meeting. Approved by the IC on 11/4/2022
|-
| CRPS
|| M-CRPS Specification
|| PDF
|| 1.0 RC4
|| 9/28/22
|| Aurelio Rodriguez Echevarria
|| [https://www.opencompute.org/documents/m-crps-r1-v1p0-rc4-pdf Link]
|| Reviewed in Oct meeting. Approved by the IC on 11/4/2022
|-
| PIC
|| M-PIC Specification
|| PDF
|| 1.0 RC7
|| 9/28/2022
|| Clifford DuBay
|| [https://www.opencompute.org/documents/m-pic-r1-v1p0-rc7-pdf Link]
|| Reviewed in Oct meeting. Approved by the IC on 11/4/2022
|}
|}


==Get Involved==
==Get Involved==
Line 669: Line 105:


==Communication==
==Communication==
*Project communication is done through [https://ocp-all.groups.io/g/OCP-MHS https://ocp-all.groups.io/g/OCP-MHS]
*Project communication is done through [https://ocp-all.groups.io/g/OCP-DC-MHS https://ocp-all.groups.io/g/OCP-DC-MHS]
*Post: [mailto:ocp-mhs-public@OCP-All.groups.io ocp-mhs-public@OCP-All.groups.io]
*Post: [mailto:OCP-DC-MHS@OCP-All.groups.io OCP-DC-MHS@OCP-All.groups.io]
*Subscribe: [mailto:ocp-mhs-public+subscribe@OCP-All.groups.io ocp-mhs-public+subscribe@OCP-All.groups.io]
*Subscribe: [mailto:OCP-DC-MHS+subscribe@OCP-All.groups.io OCP-DC-MHS+subscribe@OCP-All.groups.io]
*Unsubscribe: [mailto:ocp-mhs-public+unsubscribe@OCP-All.groups.io ocp-mhs-public+unsubscribe@OCP-All.groups.io]
*Unsubscribe: [mailto:OCP-DC-MHS+unsubscribe@OCP-All.groups.io OCP-DC-MHS+unsubscribe@OCP-All.groups.io]
*''Please make sure to follow the steps until you receive 1) confirmation email from noreply@Groups.io 2) welcome email from [mailto:ocp-mhs-public@OCP-All.groups.io ocp-mhs-public@OCP-All.groups.io]''
*''Please make sure to follow the steps until you receive 1) confirmation email from noreply@Groups.io 2) welcome email from [mailto:OCP-DC-MHS@OCP-All.groups.io OCP-DC-MHS@OCP-All.groups.io]''
*''Please check your junk box and unblock noreply@Groups.io if you have trouble receiving the confirmation email''
*''Please check your junk box and unblock noreply@Groups.io if you have trouble receiving the confirmation email''
*To access the mailing list archives go to [https://ocp-all.groups.io/g/ocp-mhs-public https://ocp-all.groups.io/g/ocp-mhs-public]
*To access the mailing list archives go to [https://ocp-all.groups.io/g/OCP-DC-MHS https://ocp-all.groups.io/g/OCP-DC-MHS]
 


==Meeting Schedule==
==Meeting Schedule==


For monthly public meetings:
For monthly public meetings:
*Schedule is the third Wednesday of every month at 0800 PST.
*Schedule is the third Wednesday of every month at 0800 PST (starts 3/13/23)
*Each workstream has its own weekly meeting for companies that have signed the MHS R1 CLA.
*Each workstream has its own weekly meeting for companies that have signed the DC-MHS R1 CLA.
*[https://www.opencompute.org/projects/mhs OCP MHS Project Calendar]
*[https://www.opencompute.org/projects/dc-mhs OCP DC-MHS Project Calendar]
 


==Recordings from Past Monthly Meeting Calls==
==Recordings from Past Monthly Meeting Calls==


{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
*TBD
|-
! Presenter (Company) !! Title !! Recording !! Slides
|-
| MHS Workstream Updates (Brian Aspnes, Mike Gregoire, Cliff DuBay, Aurelio Rodriguez Echevarria)
|| May 2024 Public Call
|| [https://drive.google.com/file/d/1NskA5tyiMWaEC-9p7fL1q3AuFX6X1hlf/view?usp=drive_link Recording]
|| [https://drive.google.com/file/d/1mQoaj35ar3ZvQ2cI22n5trVh8b5ACl0_/view?usp=drive_link Slides]
|-
| MHS Workstream Updates (Brian Aspnes, Corey Hartman, Jeff Kennedy, Aurelio Rodriguez Echevarria, Phil Leech)
|| April 2024 Public Call
|| [https://drive.google.com/file/d/1vVDbX0i5939MY-SrxCGy0fGLApecpE13/view?usp=drive_link Recording]
|| [https://docs.google.com/presentation/d/1YPyh9JfYC2Xw9NhEvWVuKzNfkrf0YD5R/edit?usp=drive_link Slides]
|-
| MHS Workstream Updates (Brian Aspnes, Mike Gregoire, Charlie Ziegler, Cliff DuBay, Aurelio Rodriguez Echevarria, Greg Sellman, Dirk Blevins)
|| March 2024 Public Call
|| [https://drive.google.com/file/d/1owOS9UdFas8b4Yz4E0bK5W5HnWdEA-jB/view?usp=drive_link Recording]
|| [https://drive.google.com/file/d/1bQ7md1AIsPk4Q6qyYqgtSE3F-jCKYuda/view?usp=drive_link Slides]
|-
| MHS Workstream Updates (Brian Aspnes, Mike Gregoire, Aurelio Rodriguez Echevarria, Corey Hartman, Dirk Blevins)
|| February 2024 Public Call
|| [https://drive.google.com/file/d/157Bbu5_L_BKLpbxVFF_zkk6lpoMeco0a/view?usp=drive_link Recording]
|| [https://drive.google.com/file/d/1dI4nksIhb3sdh237vasoEK4l9EZSNXtk/view?usp=drive_link Slides]
|-
| MHS Workstream Updates (Brian Aspnes, Mike Gregoire, Aurelio Rodriguez Echevarria, Greg Sellman, Dirk Blevins)
|| January 2024 Public Call
|| [https://drive.google.com/file/d/1gCMNzgiKoI1oi1N4L9np8dId6Q_qLWGP/view?usp=drive_link Recording]
|| [https://docs.google.com/presentation/d/17lFHNW9Jn1m6sKj6NddHnLLWehTNMKfl/edit?usp=drive_link&ouid=107990764505043211297&rtpof=true&sd=true Slides]
|-
| MHS Workstream Updates (Brian Aspnes, Mike Gregoire, Aurelio Rodriguez Echevarria, Greg Sellman)
|| September 2023 Public Call
|| [https://opencompute-org.zoom.us/rec/share/JYTzuAmuxq8no5wjlqhziI4ZJbhBiYrJi496d0iMy3m6EgVVc7JU8IDmZ_YJgrFT.gYurp8y9FMTuLFs0?pwd=hzl4KctkXQOSbmUSyY8RJPHd3CX8YcCY Recording]
|| [https://docs.google.com/presentation/d/11NbaSYqCpp5JSzETKGdIVI6O5BOUoMJn/edit?usp=drive_link&ouid=107990764505043211297&rtpof=true&sd=true Slides]
|-
| MHS Workstream Updates (Brian Aspnes, Mike Gregoire, Aurelio Rodriguez Echevarria, Greg Sellman)
|| August 2023 Public Call
|| [https://drive.google.com/file/d/1f2G-wPxbUzF9CYmwiWW55OjmdjufmfU9/view?usp=drive_link Recording]
|| [https://docs.google.com/presentation/d/1AVykn8LTIV3yEAnrJ9YOR5M-BmkZTaM-/edit?usp=drive_link&ouid=107990764505043211297&rtpof=true&sd=true Slides]
|-
| MHS HPM Workstream Updates (Brian Aspnes, Mike Gregoire, Javier Lasa, Aurelio Rodriguez Echevarria, Greg Sellman)  Includes earlier OCP information on the Contribution Process for reference.
|| July 2023 Public Call
|| [https://drive.google.com/file/d/113BwD1qgC8LxZ_KjrEDdtYDI4h4Vp3io/view?usp=drive_link Recording]
|| [https://docs.google.com/presentation/d/1M80W1uVUUhSvOTQXzVnX7xo0gFiimoU4/edit?usp=drive_link&ouid=107990764505043211297&rtpof=true&sd=true Slides]<br>[https://drive.google.com/file/d/1RCTSd8Tw5qXI1-tDRea5gaGA_Xq40qIh/view?usp=drive_link OCP Contribution Process]
|-
| MHS HPM Workstream Updates (Brian Aspnes, Andy Junkins, Aurelio Rodriguez Echevarria)
|| June 2023 Public Call
|| [https://drive.google.com/file/d/1TsCkuiaoJ7qhWvlFONBeN6tdLk2MBUQW/view?usp=drive_link Recording]
|| [https://docs.google.com/presentation/d/1pbCRW7_lhNeoNCt9LjwUtzb8ziqEV7k5/edit?usp=drive_link&ouid=107990764505043211297&rtpof=true&sd=true Slides]
|-
| MHS HPM Workstream Updates and New Spec (Corey Hartman, Mike Gregoire, Aurelio Rodriguez Echevarria)
|| May 2023 Public Call HPM WS Update
|| [https://drive.google.com/file/d/1cVnNiP4rMqr8D0J6TkyvtB801_IUs7bS/view?usp=share_link Recording]
|| [https://drive.google.com/file/d/1rxJn1BUSmjwm0W89YouCRnleFxe0kRaZ/view?usp=share_link HPM WS Update]
[https://drive.google.com/file/d/1ld3Ew7-PrTmisZM85aJGpLKcb8M_tJfN/view?usp=share_link New HPM Spec]
|-
| MHS HPM Workstream Update (Corey Hartman, Mike Gregoire) and Delta and Artesyn Representatives
|| April 2023 Public Call
|| [https://drive.google.com/file/d/1vdn8yE5YHHGRt-uCjD8lMUEghPcQvtpv/view?usp=share_link Recording]
|| [https://drive.google.com/file/d/1sI8byekDQvkL4jilFuJ1O_9T32sD56C2/view?usp=share_link HPM WS Update]<br>
[https://drive.google.com/file/d/1HruPfHrGBjJiNwZcxbA1_wtU4afra-1l/view?usp=share_link Artesyn Presentation]
|-
| MHS Workstream and Subproject Leads
|| March 2023 Public Call
|| [https://drive.google.com/file/d/1HMjO4TsFTw04wltFQUaiUjsSsspvb_w3/view?usp=share_link Recording]
|| [https://docs.google.com/presentation/d/1PUfREdEHktxyDaP5mk85Ddvw-3Nn12Sd/edit?usp=share_link&ouid=107990764505043211297&rtpof=true&sd=true Slides]
|}
 
==Slides/Recordings from April 2024 OCP Regional Summit==
 
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
! Presenter (Company) !! Title !! Recording !! Slides
|-
| Paul Artman (AMD)<br>Dirk Blevins (Intel)<br>Rob Nance (Jabil)
|| Data Center Modular Hardware System Specification (DC-MHS) the overview
|| [https://www.youtube.com/watch?v=lyB49m-3maQ Video]
|| [https://drive.google.com/file/d/1Zyli_17qrjioO_mkYAHCxc3iBJcUCcWV/view?usp=drive_link Slides]
|-
| Paul Artman (AMD)<br>Dirk Blevins (Intel)<br>Rob Nance (Jabil)
|| DC-MHS Modular Shared Infrastructure (M-SIF)
|| [https://www.youtube.com/watch?v=xYromesfuD8 Video]
|| [https://drive.google.com/file/d/1XGHiMXNIRNICuMjdkactn6ov8UJC0MlX/view?usp=drive_link Slides]
|}


==Slides/Recordings from October 2023 OCP Global Summit==


There were a number of MHS Technical Talks and Experience Center Lightning Talks at the October 2023 OCP Global Summit in San Jose. The presentations and recordings are posted below.
==Slides from April 2022 OCP Tech Talks==


{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
|-
! Presenter (Company) !! Title !! Recording !! Slides
! Presenters (Company) !! Title !! Video !! Slides
|-
| Paul Artman (AMD)<br>Dirk Blevins (Intel)<br>Rob Nance (Jabil)
|| Design with DC-MHS
|| [https://www.youtube.com/watch?v=tF35xYNFcIA Video]
|| [https://drive.google.com/file/d/1P44OmctBl9QS_xKgXQOKAoXB8iB0H5yp/view?usp=drive_link Slides]
|-
| Dirk Blevins (Intel)<br>Shawn Dube (Dell)<br>Vincent Nguyen (HPE)
|| Edge-MHS – Bringing Modular Hardware System to the Edge
|| [https://www.youtube.com/watch?v=tiatPvB0kTA Video]
|| [https://drive.google.com/file/d/1ulhZW1rg0wLHTcM_U_aElt_vuQeZw9kP/view?usp=drive_link Slides]
|-
| Cliff DuBay (Intel)<br>Shawn Dube (Dell)
|| DC-MHS - 48V Support
|| [https://www.youtube.com/watch?v=PbmtSUS_VrY Video]
|| [https://drive.google.com/file/d/1b3Lep66gPOQF0iccXRriXFcWsiV9N5EM/view?usp=drive_link Slides]
|-
| Tim Lambert (Dell)<br>Javier Lasa (Intel)<br>Phillip Leech (HPE)
|| DC-MHS's Road to Off-the-shelf/Interchangeable HPMs
|| [https://www.youtube.com/watch?v=MtpGeSnjjqg Video]
|| [https://drive.google.com/file/d/16yKSuVz6R7alS7_3vo7TYulVhHL4MsgL/view?usp=drive_link Slides]
|-
| Michael Gregoire (Dell)<br>Brian Aspnes (Intel)<br>Corey Hartman (Dell)<br>Matt Bowman (Meta)<br>Andrew Junkins (AMD)
|| Panel - DC-MHS: Updates and New Form Factors from the M-HPM Team
|| [https://www.youtube.com/watch?v=Y3XpGSI6q8Y Video]
|| [https://drive.google.com/file/d/17efYJgbEatWiZS00Ba9S1tlq87Kj62_T/view?usp=drive_link Slides]
|-
| Gregory D Sellman (AMD)<br>Dirk Blevins (Intel)<br>Damien Chong (Meta)
|| DC-MHS Modular Shared Infrastructure (M-SIF) - Comprehending Multi-Node/Host
|| [https://www.youtube.com/watch?v=dWHF6-88Rh8 Video]
|| [https://drive.google.com/file/d/1CeP6nnnA9dRHFEsd22UZQGBAgqYT7NIu/view?usp=drive_link Slides]
|-
| Tim Lambert (Dell)<br>Mike Witkowski (HPE)<br>Todd Rosedahl (IBM)<br>Javier Lasa (Intel)
|| DC-MHS: Peripheral Out-of-Band Management Evolution
|| [https://www.youtube.com/watch?v=LF_8JZ1UKAs Video]
|| [https://drive.google.com/file/d/15HI6QgYAcsrrYav1oWO0Z67OL2s5pEJh/view?usp=drive_link Slides]
|-
|-
| Jeff Kennedy (Dell)<br>Javier Lasa (Intel)<br>Eduardo Estrada (Intel)
| Shawn Dube (Dell), Brian Aspnes (Intel) || DC-MHS Rev 1.0: Introduction and Overview (Datacenter - Modular Hardware System) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/e98e04e8ce8f9f0078d2cd7c745b6e98f1238f67.pdf Slides]
|| DC-MHS, M-PESTI: What, Why and When to Use It.
|| [https://www.youtube.com/watch?v=X4WUI2kifdI Video]
|| [https://drive.google.com/file/d/1URTFmr6COYueVBcEzfuxig84w7bMx_1H/view?usp=drive_link Slides]
|-
|-
| Aurelio Rodriguez Echevarria (Intel)
| Corey Hartman (Dell), Brian Aspnes (Intel) || DC-MHS: FulL Width HPMs (M-FLW) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/d13d08ff84261b0e615f309507ccedb457cf2180.pdf Slides]
|| DC-MHS: M-CRPS base specification and test setup updates
|| [https://www.youtube.com/watch?v=8in9VhnLkrw Video]
|| [https://drive.google.com/file/d/1C2kcC-kDv5q4-oiAum38Nd8fPtO9Qg8t/view?usp=drive_link Slides]
|-
|-
| Chitrak Gupta (AMI)<br>Justin Thaler (Jabil)
| Mike Gregoire (Dell), Dirk Blevins (Intel) || DC-MHS: DeNsity Optimized HPMs (M-DNO) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/748b3531aaa728a59bdab6372c6d234c7989d894.pdf Slides]
|| Enabling DC-MHS Design for Future Datacenters with Dynamic Firmware
|| [https://www.youtube.com/watch?v=98ZuB9FgotM Video]
|| [https://drive.google.com/file/d/13tG54UNQjiojV3ncMkXiML72Mv2shhrJ/view?usp=drive_link Slides]
|-
|-
| Munir Ahmad (Lattice)<br>Lawrence Lo (Intel)<br>Raghu Kondapalli (Axiado)
| Cliff DuBay (Intel), Tim Lambert (Dell) || DC-MHS: Peripheral Infrastructure Connectivity (M-PIC) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/522e38defb48eed767321515e27f5492c54f4071.pdf Slides]
|| Driving DC-SCM innovations and interoperability - presented by DC-MHS
|| [https://www.youtube.com/watch?v=U_ttxtNY6C4 Video]
|| [https://drive.google.com/file/d/1NkQIUC2FUbyV9PspiHZbgGwxj_K0pE3P/view?usp=drive_link Slides]
|-
|-
|| Richard Caubang (Advanced Energy)<br>Austen Cook (Jabil)<br>Rob Nance (Jabil)<br>Aurelio Rodriguez Echevarria (Intel)
| Charlie Ziegler (Dell), Javier Lasa (Intel) || DC-MHS: eXtensible I/O (M-XIO) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/6f2310a616532099b19677b52ba594312cb5059f.pdf Slides]
|| Cross Vendor Interoperability in Server Design and M-CRPS/Test board Demonstration Speakers - presented by DC-MHS
|| [https://www.youtube.com/watch?v=Qr6rb5_b4NA Video]
|| [https://drive.google.com/file/d/1iI-91bOFzT9ozsfpyTpKWpxrcpGDCafH/view?usp=drive_link Slides]
|}
 
==Slides/Recordings from April 2023 OCP Regional Summit==
 
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
|-
! Presenter (Company) !! Title !! Recording !! Slides
| Tim Lambert (Dell), Javier Lasa (Intel) || DC-MHS: PEripheral Sideband Tunneling Interface (M-PESTI) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/19a4b08cbe94c96c55a81a8138841768765d5a32.pdf Slides]
|-
|-
| Dirk Blevins (Intel)<br>Paul Artman (AMD)<br>Rob Nance (Jabil)
| Aurelio Rodriguez (Intel), Jon Lewis (Dell) || DC-MHS: Common Redundant Power Supply (M-CRPS) || [https://www.youtube.com/watch?v=Vy1h5sXVmQA Video] || [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/7dcd4a42fafc61adf22802577208a2404dd1c175.pdf Slides]
|| Data Center Modular Hardware System (DC-MHS) Overview & Update
|| [https://www.youtube.com/watch?v=m7cotny5Cyw Video]
|| [https://drive.google.com/file/d/1Rc-P6MNF5qgysw7NsraKTmTO4MmrAQr3/view?usp=share_link Slides]
|}
|}


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{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
|-
! Presenter (Company) !! Title !! Recording !! Slides
! Presenter !! Title !! Video !! Slides
|-
| Michael Leung (Google)<br>Aurelio Rodriguez Echevarria (Intel)<br>Corey Hartman (Dell)<br>Tim Lambert (Dell)<br>Eduardo Estrada (Intel)
|| PANEL: DC-MHS R1 report-out and timeline
|| [https://www.youtube.com/watch?v=-6gmxZiKvEI Recording]
|| [https://drive.google.com/file/d/1ULofl4GqkfYI6bT73v55ureIPLBTvoNJ/view?usp=sharing Slides]
|-
| Siamak Tavallaei (Google)<br>Brian Aspnes (Intel)<br>Shawn Dube (Dell)<br>Jean-Marie Verdun (HPE)<br>Dharmesh Jani (Meta)
|| PANEL: Datacenter Modular Hardware System (DC-MHS)
|| [https://www.youtube.com/watch?v=HdGQsbUqKow Recording]
|| [https://drive.google.com/file/d/1XiM59aLnK9A8PP7W2gFfG7SQeuPZBlIz/view?usp=sharing Slides]
|-
| Dirk Blevins (Intel)<br>Todd Westhauser (Meta)<br>Vincent Nguyen (HPE)
|| Practical Usage of DC-MHS M-DNO Concepts
|| [https://www.youtube.com/watch?v=2qLueMd6n4A Recording]
|| [https://drive.google.com/file/d/1PiSaLUQjrqoMdrznDWIMbGqB4xRA_xy_/view?usp=sharing Slides]
|-
| Siamak Tavallaei (Google)<br>Dirk Blevins (Intel)
|| Multi-host Modular Systems (M-SIF)
|| [https://www.youtube.com/watch?v=0HHNIni0_H0 Recording]
|| [https://drive.google.com/file/d/1-I4SifOo4J53uBRPTNi_lsiqxIkQwuNy/view?usp=sharing Slides]
|}
 
 
==Slides/Recordings from April 2022 OCP Tech Talks==
 
{| class="wikitable" style="width: 100%; margin:auto; vertical-align:top; text-align:left;"
|-
! Presenter (Company) !! Title !! Recording !! Slides
|-
| Shawn Dube (Dell)<br>Brian Aspnes (Intel)
|| DC-MHS Rev 1.0: Introduction and Overview (Datacenter - Modular Hardware System)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/e98e04e8ce8f9f0078d2cd7c745b6e98f1238f67.pdf Slides]
|-
| Corey Hartman (Dell)<br>Brian Aspnes (Intel)
|| DC-MHS: FulL Width HPMs (M-FLW)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/d13d08ff84261b0e615f309507ccedb457cf2180.pdf Slides]
|-
| Mike Gregoire (Dell)<br>Dirk Blevins (Intel)
|| DC-MHS: DeNsity Optimized HPMs (M-DNO)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/748b3531aaa728a59bdab6372c6d234c7989d894.pdf Slides]
|-
|-
| Cliff DuBay (Intel)<br>Tim Lambert (Dell)
| Michael Leung (Google) | Aurelio Rodriguez Echevarria (Intel) | Corey Hartman (Dell) | Tim Lambert (Dell) | Eduardo Estrada (Intel) || PANEL: DC-MHS R1 report-out and timeline || [https://www.youtube.com/watch?v=-6gmxZiKvEI Video] || [https://drive.google.com/file/d/1ULofl4GqkfYI6bT73v55ureIPLBTvoNJ/view?usp=sharing Slides]
|| DC-MHS: Peripheral Infrastructure Connectivity (M-PIC)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/522e38defb48eed767321515e27f5492c54f4071.pdf Slides]
|-
|-
| Charlie Ziegler (Dell)<br>Javier Lasa (Intel)
| Siamak Tavallaei (Google) | Brian Aspnes (Intel) | Shawn Dube (Dell) | Jean-Marie Verdun (HPE) | Dharmesh Jani (Meta) || PANEL: Datacenter Modular Hardware System (DC-MHS) || [https://www.youtube.com/watch?v=HdGQsbUqKow Video] || [https://drive.google.com/file/d/1XiM59aLnK9A8PP7W2gFfG7SQeuPZBlIz/view?usp=sharing Slides]
|| DC-MHS: eXtensible I/O (M-XIO)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/6f2310a616532099b19677b52ba594312cb5059f.pdf Slides]
|-
|-
| Tim Lambert (Dell)<br>Javier Lasa (Intel)
| Dirk Blevins (Intel) | Todd Westhauser (Meta) | Vincent Nguyen (HPE) || Practical Usage of DC-MHS M-DNO Concepts || [https://www.youtube.com/watch?v=2qLueMd6n4A Video] || [https://drive.google.com/file/d/1PiSaLUQjrqoMdrznDWIMbGqB4xRA_xy_/view?usp=sharing Slides]
|| DC-MHS: PEripheral Sideband Tunneling Interface (M-PESTI)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/19a4b08cbe94c96c55a81a8138841768765d5a32.pdf Slides]
|-
|-
| Aurelio Rodriguez (Intel)<br>Jon Lewis (Dell)
| Siamak Tavallaei (Google) | Dirk Blevins (Intel) || Multi-host Modular Systems || [https://www.youtube.com/watch?v=0HHNIni0_H0 Video] || [https://drive.google.com/file/d/1-I4SifOo4J53uBRPTNi_lsiqxIkQwuNy/view?usp=sharing Slides]
|| DC-MHS: Common Redundant Power Supply (M-CRPS)
|| [https://www.youtube.com/watch?v=Vy1h5sXVmQA Recording]
|| [https://146a55aca6f00848c565-a7635525d40ac1c70300198708936b4e.ssl.cf1.rackcdn.com/images/7dcd4a42fafc61adf22802577208a2404dd1c175.pdf Slides]
|}
|}


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The most recent documents will always be in the OCP Marketplace, Specifications & Design Collateral
The most recent documents will always be in the OCP Marketplace, Specifications & Design Collateral
*[https://www.opencompute.org/contributions https://www.opencompute.org/contributions]
*[http://www.opencompute.org/contributions http://www.opencompute.org/contributions]
or the OCP Marketplace, Orderable Products
or the OCP Marketplace, Orderable Products
*[https://www.opencompute.org/products https://www.opencompute.org/products]
*[http://www.opencompute.org/products http://www.opencompute.org/products]
Entries below are for ease of use and historical reference. Please use the marketplace links for the most recent documents.
Entries below are for ease of use and historical reference. Please use the marketplace links for the most recent documents.


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! Type !! Description !! Version !! Submit Date !! Contributor !! License !! Notes
! Type !! Description !! Version !! Submit Date !! Contributor !! License !! Notes
|-
|-
| &nbsp;
| &nbsp; || &nbsp; || &nbsp; || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|| &nbsp;
|| &nbsp;
|| &nbsp;
|| &nbsp;
|| &nbsp;
|| &nbsp;
|}
|}
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