One Stop Systems, Inc. Host Cable Adapter User Manual
Rev. A
7
Pin-out for the PCIe x8 Card Edge Connector on the Host Cable Adapter (continued)
Side B
Side A
Pin #
Name Description
Name
Description
29
GND Ground
PERp3
30
RSVD Reserved
PERn3
Receiver differential pair, Lane 3
31
PRSNT2#
Hot-Plug presence detect
GND
Ground
32
GND Ground
RSVD
Reserved
33
PETp4 RSVD
Reserved
34
PETn4
Transmitter differential pair, Lane 4
GND Ground
35
GND Ground
PERp4
36
GND Ground
PERn4
Receiver differential pair, Lane 4
37
PETp5 GND
Ground
38
PETn5
Transmitter differential pair, Lane 5
GND Ground
39
GND Ground
PERp5
40
GND Ground
PERn5
Receiver differential pair, Lane 5
41
PETp6 GND
Ground
42
PETn6
Transmitter differential pair, Lane 6
GND Ground
43
GND Ground
PERp6
44
GND Ground
PERn6
Receiver differential pair, Lane 6
45
PETp7 GND
Ground
46
PETn7
Transmitter differential pair, Lane 7
GND Ground
47
GND Ground
PERp7
48
PRSNT2#
Hot-Plug presence detect
PERn7
Receiver differential pair, Lane 7
49
GND Ground
GND
Ground
PCI Express x8 Cable Connector
Row A
Row B
Row A
Row B
Row A
Row B
Pin #
Signal Name
Signal Name
Pin #
Signal Name
Signal Name
Pin #
Signal Name
Signal Name
1
GND GND
13
GND GND
24
PETn4 PERp4
2
PETp0 PERp0
14
PWR
(3.3V)
25
GND GND
3
PETn0 PERn0
15
CREFCLK- PWR
(3.3V)
26
PETp5 PERp5
4
GND GND
16
GND PWR
(3.3V)
27
PETn5 PERn5
5
PETp1 PERp1
17
RSVD PWR
RTN
28
GND GND
6
PETn1 PERn1
18
RSVD PWR
RTN
29
PETp6 PERp6
7
GND GND
19
SB_RTN PWR
RTN
30
PETn6 PERn6
8
PETp2 PERp2
20
CPSRNT$# CWAKE#
31
GND GND
9
PETn2 PERn2
21
CPWRON CPERST#
32
PETp7 PERp7
10
GND GND
22
GND GND
33
PETn7 PERn7
11
PETp3 PERp3
23
PETp4 PETp4
34
GND GND
12
PETn3 PERn3
24
PETn4 PERp4