Technical information

Appendix A. Connector Pin Assignments

ISA Connectors

D18

B31 D1

C18A31 C1

Figure 10. ISA Connector

Note: The ISA connectors are part of the riser card.

Table 48 (Page 1 of 2). 98-Pin Assignments for the ISA Connector

Pin Signal Name I/O Pin Signal Name 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

B25 IRQ3 I A25 SA6 I/O

B26 DACK2# O A26 SA5 I/O

B27 TC O A27 SA4 I/O

B28 BALE O A28 SA3 I/O

B29 +5 V dc NA A29 SA2 I/O

B30 OSC O A30 SA1 I/O

B31 Ground NA A31 SA0 I/O

D1 MEMCS16# I C1 SBHE# I/O

38 Technical Information Manual