BECKHOFF CB1052 User Manual
Page 41
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.
N
OTE
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 -