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Picmg

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Picmg

The PCI Industrial Computer Manufacturers Group (PICMG) is a consortium of over 227 companies.[1] Founded in 1994, the group was originally formed to adapt PCI technology for use in high-performance telecommunications, military, and industrial computing applications, but its work has now grown to include newer technologies. PICMG is distinct from the similarly named and adjacently-focused PCI Special Interest Group (PCI-SIG).

PICMG currently focuses on developing and implementing specifications and guidelines for open standards-based computer architectures from a wide variety of interconnects.

Background

PICMG's original mission was to provide extensions to the PCI standard developed by PCI-SIG for a range of applications. The organization's collaborations eventually expanded to include a variety of interconnect technologies for industrial computing and telecommunications.[2]

In 2011, PICMG completed its transfer of assets from the Communications Platforms Trade Association (CP-TA). Since 2006, CP-TA had been a collaboration of communications vendors, developing interoperability testing requirements, methodologies, and procedures based on open specifications from PICMG, The Linux Foundation, and the Service Availability Forum. PICMG will form an xTCA promotional subcommittee to carry on the educational and marketing outreach formerly conducted by members of the CP-TA marketing work group.[3]

Specification naming convention

For many years, PICMG used a numerical naming convention with specification being referred to as “PICMG X.YY”. Where X was used denoted differing form factors (“1” for slot card based single board computers, “2” for CompactPCI and “3” for AdvancedTCA) while YY was used to indicate incremental changes, option definitions or slight variation of a specification form its core specification. In 2003, PICMG added an acronym-based naming convention for its specifications to yield better results from internet search engines. Specifications are now often named ABCD.X where ABCD is an acronym of the specification. In this naming convention, base or main specification are denote with X=0 (i.e. ABCD.0) and PICMG subsidiary specifications are denoted X>0. PICMG subsidiary specifications represent how various options or variations of a based specification should be handled.

Adopted specifications

PICMG 1.0 - PCI/ISA
PICMG 1.1 - PCI/ISA Bridging
PICMG 1.2 - PCI only
PICMG 1.3 - SHB Express
PICMG 2.0 - CompactPCI
PICMG 2.1 - CompactPCI Hotswap
PICMG 2.2 - CompactPCI VME64x
PICMG 2.3 - CompactPCI PMC I/O
PICMG 2.4 - CompactPCI IP I/O
PICMG 2.5 - CompactPCI Telephony
PICMG 2.7 - Dual CompactPCI
PICMG 2.9 - CompactPCI Management
PICMG 2.10 - CompactPCI Keying
PICMG 2.11 - CompactPCI Power Interface
PICMG 2.12 - CompactPCI Software Interoperability
PICMG 2.14 - CompactPCI Multicomputing
PICMG 2.15 - CompactPCI PTMC
PICMG 2.16 - CompactPCI Packet Switching Backplane (PSB)
PICMG 2.17 - CompactPCI Starfabric
PICMG 2.18 - CompactPCI RapidIO
PICMG 2.20 - CompactPCI Serial Mesh
PICMG 2.30 - CompactPCI PlusIO
CPCI-S.0 - CompactPCI Serial
PICMG 3.0 - AdvancedTCA Base
PICMG 3.1 - AdvancedTCA Ethernet
PICMG 3.2 - AdvancedTCA Infiniband
PICMG 3.3 - AdvancedTCA StarFabric
PICMG 3.4 - AdvancedTCA PCI Express
PICMG 3.5 - AdvancedTCA RapidIO
AMC.0 - AdvancedMC Mezzanine Module
AMC.1 - AdvancedMC PCI Express and AS
AMC.2 - AdvancedMC Ethernet
AMC.3 - AdvancedMC Storage
AMC.4 - AdvancedMC Serial RapidIO
IRTM.0 - Intelligent Rear Transition Module
SFP.0 - System Fabric Plane
SFP.1 - iTDM
EXP.0 - CompactPCI Express
COM.0 - Computer on Module
CDG - COM Design Guide
MTCA.0 - MicroTCA
MTCA.1 - Air-cooled rugged MicroTCA
MTCA.3 - Hardened conduction-cooled MicroTCA

Design Guides

Physics Design Guide for Clocks, Gates & Triggers in Instrumentation

Current standing committees

These groups represent standing committees which may result in new subsidiary specification, revisions to existing specification, reference materials for future PICMG committees or new PICMG specifications.

AdvancedTCA Base Extensions
IntelligentRTM
COM Express Rev 2.0
CompactPCI PlusIO
CompactPCI Serial
Conduction Cooled MicroTCA
PICMG 3.1 - AdvancedTCA Ethernet Rev 2.0
Interconnect Channel Characterization
xTCA for Physics. This committee has two sub committees:
Physics Software Architectures and Protocols
Physics Timing and Synchronization

ASI specifications

The following specifications were developed by the ASI SIG which has now disbanded and has transferred these documents to PICMG.

ASI Core - Advanced Switching Core Architecture Specification
ASI PI-8 - ASI Protocol Interface #8
ASI SDT - ASI Socket Data Interface
ASI SQP - ASI Simple Queuing Protocol
ASI SLS - ASI Simple Load/Store (SLS) Specification
ASI Portal - ASI Portal Specification

Joint projects

The PICMG has active liaisons with several industry bodies including the Service Availability Forum.

See also

References

  1. ^ Refer to PICMG website metadata and Member Lists
  2. ^ "About PICMG". PICMG. 2001–2013. Retrieved 2013-06-20. 
  3. ^ Pavlat, Joe (2011-10-25). "PICMG Completes Asset Transfer with CP-TA". PICMG. Retrieved 2013-06-20. 

External links

  • PICMG website
  • CompactPCI.org website by PICMG-Europe
  • PICMG-Japan
  • PICMG-China
  • Recently released PICMG specifications
  • CP-TA website (dead)
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