IBM PC 300GL User Manual
Page 48
Appendix A. Connector pin assignments
41
A28
Address/data 22
I/O
B28
Ground
N/A
A29
Address/data 20
I/O
B29
Address/data 21
I/O
A30
Ground
I/O
B30
Address/data 19
N/A
A31
Address/data 18
I/O
B31
+3.3 V dc
N/A
A32
Address/data 16
I/O
B32
Address/data 17
I/O
A33
+3.3 V dc
N/A
B33
C/BE2#
I/O
A34
FRAME#
I/O
B34
Ground
N/A
A35
Ground
N/A
B35
IRDY#
I/O
A36
TRDY#
I/O
B36
+3.3 V dc
N/A
A37
Ground
N/A
B37
DEVSEL#
I/O
A38
STOP#
I/O
B38
Ground
N/A
A39
+3.3 V dc
N/A
B39
LOCK#
I/O
A40
SDONE
I/O
B40
PERR#
I/O
A41
SBO#
I/O
B41
+3.3 V dc
N/A
A42
Ground
N/A
B42
SERR#
I/O
A43
+3.3 V dc
N/A
B43
+3.3 V dc
N/A
A44
C/BE(1)#
I/O
B44
C/BE 1#
I/O
A45
Address/data 14
I/O
B45
Address/data 14
I/O
A46
Ground
N/A
B46
Ground
N/A
A47
Address/data 12
I/O
B47
Address/data 12
I/O
A48
Address/data 10
I/O
B48
Address/data 10
I/O
A49
Ground
N/A
B49
Ground
N/A
A50
Key
N/A
B50
Key
N/A
A51
Key
N/A
B51
Key
N/A
A52
Address/data 8
I/O
B52
Address/data 8
I/O
A53
Address/data 7
I/O
B53
Address/data 7
I/O
A54
+3.3 V dc
N/A
B54
+3.3 V dc
N/A
A55
Address/data 5
I/O
B55
Address/data 5
I/O
A56
Address/data 3
I/O
B56
Address/data 3
I/O
A57
Ground
N/A
B57
Ground
N/A
A58
Address/data 1
I/O
B58
Address/data 1
I/O
A59
+5 V dc (I/O)
N/A
B59
+5 V dc (I/O)
N/A
A60
ACK64#
I/O
B60
ACK64#
I/O
A61
+5 V dc
N/A
B61
+5 V dc
N/A
A62
+5 V dc
N/A
A62
+5 V dc
N/A
Table 22. PCI connector pin assignments
Pin
Signal
I/O
Pin
Signal
I/O