Appendix A. Connector pin assignments

*These assignments are for PCI connector slot one only; for all other slots, the signal for pin A40 is

SDONE and for pin A41 is SBO#.

ISA connectors
A1
B1
A31
B31
C1
D1
C18
D18

Note: The ISA connectors are on the riser card.

Figure 19 (Page 3 of 3). PCI connectorpin assignments

Pin Signal I/O Pin Signal I/O
A58 Address/data 0 I/O B58 Address/data 1 I/O
A59 +5 V dc NA B59 +5 V dc NA
A60 ACK64# I/O B60 ACK64# I/O
A61 +5 V dc NA B61 +5 V dc NA
A62 +5 V dc NA B62 +5 V dc NA

Figure 20 (Page 1 of 2). ISA connectorpin assignments

Pin Signal I/O Pin Signal I/O
B1 Ground NA A1 IOCHCK# I
B2 RESET DRV O A2 SD7 I/O
B3 +5 V dc NA A3 SD6 I/O
B4 IRQ2 I A4 SD5 I/O
B5 -5 V dc NA A5 SD4 I/O
B6 DRQ2 I A6 SD3 I/O
B7 -12 V dc NA A7 SD2 I/O
B8 OWS# I A8 SD1 I/O
B9 +12 V dc NA A9 SD0 I/O
B10 Ground NA A10 IOCHRDY I
B11 SMEMW# O A11 AEN O
B12 SMEMR# O A12 SA19 I/O
B13 IOW# I/O A13 SA18 I/O
B14 IOR# I/O A14 SA17 I/O
B15 DACK3# O A15 SA16 I/O
B16 DRQ3 I A16 SA15 I/O
B17 DACK1# O A17 SA14 I/O
B18 DRQ1 I A18 SA13 I/O
B19 REFRESH# I/O A19 SA12 I/O
B20 CLK O A20 SA11 I/O
B21 IRQ7 I A21 SA10 I/O
B22 IRQ6 I A22 SA9 I/O
B23 IRQ5 I A23 SA8 I/O
B24 IRQ4 I A24 SA7 I/O
Appendix A. Connector pin assignments 29