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Chapter: Connectors Internal Connectors

page 40 Beckhoff New Automation Technology CB1052

3.4.8 PCI-express interfaces (x1)

The CB1052 board has three slots for PCIe-x1 expansion cards.

NOTE

Please note that some signals in the following table are different from one PCIe slot to the other. This

applies to the clock signals (A13, A14), the receive signals (A16, A17), and the transmit signals (B14,

B15).

Pinout PCI-express-x1 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

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 85 86

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Beckhoff CB1052 Manual de usuario Pagina 40