Connector Rows; Primary And Secondary Connector Rows; Pci Express; Pci Express™ Graphics (Peg) - Congatec COM Express conga-TCV2 User Manual

Com express type 6 compact module based on amd ryzen embedded v2000 soc

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Connector Rows

The conga-TCV2 is connected to the carrier board via two 220-pin connectors (COM Express Type 6 pinout). These connectors are broken

down into four rows. The primary connector consists of rows A and B while the secondary connector consists of rows C and D.

5.1

The following subsystems can be found on the primary connector rows A and B.

5.1.1

The conga-TCV2 offers five PCIe ports with eight PCIe lanes—six on the A–B connector and two on the C–D connector. The lanes support:

• up to 8 GT/s (Gen 3) speed

• a 4 x1 + 1 x4 default link configuration

• a 2 x4 link, 1 x4 + 2 x2 link or 2 x1 + 1 x2 + 1 x4 link via a customized BIOS firmware

• lane polarity inversion

5.1.2

PCI Express™ Graphics (PEG)

The conga-TCV2 offers a x8 PEG port on the C–D connector. The default configuration of the PEG interface is 1 x8 link. The interface can be

configured in the BIOS setup menu as a 2 x4 link.

Note

The PEG lanes can not be linked together with the PCI Express lanes in section 5.1.1 "PCI Express™".

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