PCI Card expansion slots
141
33
C/BE[2]#
I/O
(+3.3V)
34
GND
FRAME#
I/O
35
IRDY
I/O
GND
36
(+3.3V)
TRDY#
I/O
37
DEVSEL#
I/O
GND
38
GND
STOP#
I/O
39
LOCK#
I/O
(+3.3V)
40
PERR#
I/O
SDONE
I/O
41
(+3.3V)
SBO#
I/O
42
I/O
GND
I/O
43
(+3.3V)
PAR
I/O
44
I/O
AD[15]
45
AD[14]
I/O
(+3.3V)
I/O
46
GND
AD[13]
I/O
47
AD[12]
I/O
AD[11]
48
AD[10]
I/O
GND
49
GND
AD[09]
I/O
50
Connector key
51
Connector key
52
AD[08]
I/O
C/BE[0]#
I/O
53
AD[07]
I/O
(+3.3V)
54
(+3.3V)
AD[06]
I/O
55
AD[05]
I/O
AD[04]
I/O
56
AD[03]
I/O
GND
57
GND
AD[02]
I/O
58
AD[01]
I/O
AD[00]
I/O
59
+5V(I/O)
+5V(I/O)
60
ACK64#
I/O
REQ64#
I/O
61
+5V
+5V
62
+5V
+5V
Pin
No.
5V system environment
Side B
I/O
Side A
I/O