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6
Connector Rows
The conga-TS175 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.
6.1
Primary and Secondary Connector Rows
The following subsystems can be found on the primary and secondary connector rows.
6.1.1
PCI Express™
The conga-TS175 offers six PCI Express™ lanes on the A–B connector and two lanes on the C–D connector. The lanes support:
•
up to 8 GT/s (Gen 3) speed
•
a 8 x1 link configuration
•
other link configurations (requires a special/customized BIOS firmware)
•
lane polarity inversion
6.1.2
PCI Express Graphics (PEG)
The conga-TS175 offers a PCI Express™ Graphics interface on the C–D connector. The interface supports the following:
•
a 1 x16 (default), 2 x8 or 1 x8 + 2 x4 link configuration
•
up to 8 GT/s (Gen 3) speed
•
optional configuration to support graphics or non-graphic devices or both
•
a x1, x2, x4 or x8 PCIe device
•
up to three devices operating simultaneously on the PEG interface
•
lane reversal