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Chapter: Connectors
3.4.8 PCI-express Interface (x16)
One slot for PCI-express-x16-cards makes the expansion options on the CB1064 complete. You can use
this slot for PCIe-x16 graphic adapters. This slot also acommodates x1 or x4 expansion cards.
Pinout PCI-express-x16 connector:
Description
hot plug detect 1
12 volt supply
12 volt supply
ground
reserved
reserved
reserved
reserved
3.3 volt supply
3.3 volt supply
PCIe reset
ground
reference clock +
reference clock -
ground
receive lane 0 +
receive lane 0 -
ground
reserved
ground
receive lane 1 +
receive lane 1 -
ground
ground
receive lane 2 +
receive lane 2 -
ground
ground
receive lane 3 +
page 44
Name
Pin
PRSNT1#
A1
12V
A2
12V
A3
GND
A4
N/C
A5
N/C
A6
N/C
A7
N/C
A8
3.3V
A9
3.3V
A10
PERST#
A11
GND
A12
REFCLK
A13
REFCLK#
A14
GND
A15
PER0
A16
PER0#
A17
GND
A18
N/C
A19
GND
A20
PER1
A21
PER1#
A22
GND
A23
GND
A24
PER2
A25
PER2#
A26
GND
A27
GND
A28
PER3
A29
Name
B1
12V
B2
12V
B3
N/C
B4
GND
B5
SMBCLK
B6
SMBDAT
B7
GND
B8
3.3V
B9
N/C
B10
S3.3V
B11
PEWAKE#
B12
N/C
B13
GND
B14
PET0
B15
PET0#
B16
GND
B17
PRSNT2#
B18
GND
B19
PET1
B20
PET1#
B21
GND
B22
GND
B23
PET2
B24
PET2#
B25
GND
B26
GND
B27
PET3
B28
PET3#
B29
GND
Beckhoff New Automation Technology CB1064-xxxx
Internal Connectors
Description
12 volt supply
12 volt supply
reserved
ground
SMBus clock PCIe
SMBus data PCIe
ground
3.3 volt supply
reserved
3.3V standby-supply
link reactivation
reserved
ground
transmit lane 0 +
transmit lane 0 -
ground
hot plug detect 2
ground
transmit lane 1 +
transmit lane 1 -
ground
ground
transmit lane 2 +
transmit lane 2 -
ground
ground
transmit lane 3 +
transmit lane 3 -
ground
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