COM Express - Types

Types

There are 7 different pin outs defined in the specification. The most common used pin out is type 2. The latest pin-outs added in the revision 2.0 of the COM Express specification (available from www.picmg.org) are Type 6 and Type 10.

Maximum available interfaces for the defined types:

  • Type 1: Single connector (220 pin), 6 PCI Express lanes, no PEG, no PCI, no IDE, 4 SATA, 1 LAN
  • Type 10: Single connector (220 pin), 4 PCI Express lanes, no PEG, no PCI, no IDE, 2 SATA, 1 LAN, single channel LVDS only, DDI, no VGA, 2 Serial COM
  • Type 2: Double connector (440 pin), 22 PCI Express lanes, PEG, PCI, 1 IDE, 4 SATA, 1 LAN
  • Type 3: Double connector (440 pin), 22 PCI Express lanes, PEG, PCI, no IDE, 4 SATA, 3 LAN
  • Type 4: Double connector (440 pin), 32 PCI Express lanes, PEG, no PCI, 1 IDE, 4 SATA, 1 LAN
  • Type 5: Double connector (440 pin), 32 PCI Express lanes, PEG, no PCI, no IDE, 4 SATA, 3 LAN
  • Type 6: Double connector (440 pin), 24 PCI Express lanes, PEG, no PCI, no IDE, DDI (for DisplayPort, HDMI, DVI or SDVO), 4 SATA, 1 LAN, 2 Serial COM, USB 3.0

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