Appendix A. Connector Pin Assignments
AGP Bus Connector
B1
A1
A21
A26
A66
B21
B26
B66
Figure 4. AGP Bus Connector
Note: The AGP bus connector is located on the system board in the slot 1 location.
Table 38 (Page 1 of 2). Pin Assignments for the AGP
Bus Connector
Pin
Signal Name
Pin
Signal Name
A1
+
12 V dc
B1
spare
A2
spare
B2
+
5 V dc
A3
Reserved *
B3
+
5 V dc
A4
USB-
B4
USB+
A5
Ground
B5
Ground
A6
INTA#
B6
INTB#
A7
RST#
B7
CLK
A8
GNT#
B8
REQ#
A9
VCC 3.3
B9
VCC 3.3
A10
ST1
B10
ST0
A11
Reserved
B11
ST2
A12
PIPE#
B12
RBF#
A13
Ground
B13
Ground
A14
Spare
B14
Spare
A15
SBA1
B15
SBA0
A16
VCC 3.3
B16
VCC 3.3
A17
SBA3
B17
SBA2
A18
Reserved
B18
SB_STB
A19
Ground
B19
Ground
A20
SBA5
B20
SBA4
A21
SBA7
B21
SBA6
A22
Key
B22
Key
A23
Key
B23
Key
A24
Key
B24
Key
A25
Key
B25
Key
A26
AD30
B26
AD31
A27
AD28
B27
AD29
A28
VCC 3.3
B28
VCC 3.3
A29
AD26
B29
AD27
A30
AD24
B30
AD25
A31
Ground
B31
Ground
A32
Reserved
B32
AD STB1
A33
C/BE3#
B33
AD23
40
Technical Information Manual
