
CompuLab Ltd. FACE Modules – HW Specifications Page 14 of 63
Table 4 – EXT2 connector HOST side pinout
EXT-2 connector HOST side
Host CPU PEG_0 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
1
Host CPU PEG_0 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
1
Host chipset GPIO67, Input, PU-10k
Host chipset GPIO54, Output, PU-8.2k
Host CPU PEG_1 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
1
Host CPU PEG_1 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
1
Host CPU PEG_2 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
2
Host CPU PEG_2 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
2
Host chipset GPIO17, Input/Output, PD-10k
Host chipset GPIO50, Output, PU-8.2k
Host CPU PEG_3 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
2
Host CPU PEG_3 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
2
Host CPU PEG_4 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
2
Host CPU PEG_4 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
2
Host chipset GPIO52, Output, PU-8.2k
Host chipset GPIO6, Input, PU-10k
Host CPU PEG_5 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
2
Host CPU PEG_5 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
2
Host CPU PEG_6 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
2
Host CPU PEG_6 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
2
Host chipset GPIO53, Output, No pull
Host CPU PEG_7 (x8) - PCIe Gen3 (up to
8Gbps) differential receive pair for external
graphics
2
Host CPU PEG_7 (x8) - PCIe Gen3 (up to
8Gbps) differential transmit pair for
external graphics
2
LVDS Channel A differential pair 0 Host data
output
3
Host PEG CLK output differential pair -
100MHz PCIe Gen2 to PCIe Graphics
device
LVDS Channel A differential pair 1 Host data
output
3
Panel Backlight Brightness Control
3
Full RS232 interface from Host to DCE
device
LVDS Channel A differential pair 2 Host data
output
3
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