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Internal Connectors Chapter: Connectors

Beckhoff New Automation Technology CB1052 page 41

3.4.9 PCI-express interface (x16)

One slot for PCI-express-x16-cards makes the expansion options on the CB1052 complete. You can use

this slot either for PCIe-x16 graphic adapters or for ADD2 cards (SDVO). PCIe-x4 devices will not work

with this slot.

NOTE

SDVO signals are listed below in a table of their own.

Pinout PCI-express-x16 connector:

Description Name Pin Name Description

hot plug detect 1 PRSNT1# A1 B1 12V 12 volt supply

12 volt supply 12V A2 B2 12V 12 volt supply

12 volt supply 12V A3 B3 N/C reserved

ground GND A4 B4 GND ground

reserved N/C A5 B5 SMBCLK SMBus clock PCIe

reserved N/C A6 B6 SMBDAT SMBus data PCIe

reserved N/C A7 B7 GND ground

reserved N/C A8 B8 3.3V 3.3 volt supply

3.3 volt supply 3.3V A9 B9 N/C reserved

3.3 volt supply 3.3V A10 B10 S3.3V 3.3V standby-supply

PCIe reset PERST# A11 B11 PEWAKE# link reactivation

ground GND A12 B12 N/C reserved

reference clock + REFCLK A13 B13 GND ground

reference clock - REFCLK# A14 B14 PET0 transmit lane 0 +

ground GND A15 B15 PET0# transmit lane 0 -

receive lane 0 + PER0 A16 B16 GND ground

receive lane 0 - PER0# A17 B17 PRSNT2# hot plug detect 2

ground GND A18 B18 GND ground

reserved N/C A19 B19 PET1 transmit lane 1 +

ground GND A20 B20 PET1# transmit lane 1 -

receive lane 1 + PER1 A21 B21 GND ground

receive lane 1 - PER1# A22 B22 GND ground

ground GND A23 B23 PET2 transmit lane 2 +

ground GND A24 B24 PET2# transmit lane 2 -

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 85 86

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