Lenovo PC 300PL Techical Information Manual - Page 37

Appendix A. Connector pin assignments Figure 19 (Page 3 of 3). PCI connector pin assignments Pin Signal I/O Pin A58 Address/data 0 I/O B58 A59 +5 V dc NA B59 A60 ACK64# I/O B60 A61 +5 V dc NA B61 A62 +5 V dc NA B62 Signal I/O Address/data 1 I/O +5 V dc NA ACK64# I/O +5 V dc NA +5 V dc NA *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 A31 C1 C18 B1 Note: The ISA connectors are on the riser card. B31 D1 Figure 20 (Page 1 of 2). ISA connector pin assignments Pin Signal I/O Pin B1 Ground NA A1 B2 RESET DRV O A2 B3 +5 V dc NA A3 B4 IRQ2 I A4 B5 -5 V dc NA A5 B6 DRQ2 I A6 B7 -12 V dc NA A7 B8 OWS# I A8 B9 +12 V dc NA A9 B10 Ground NA A10 B11 SMEMW# O A11 B12 SMEMR# O A12 B13 IOW# I/O A13 B14 IOR# I/O A14 B15 DACK3# O A15 B16 DRQ3 I A16 B17 DACK1# O A17 B18 DRQ1 I A18 B19 REFRESH# I/O A19 B20 CLK O A20 B21 IRQ7 I A21 B22 IRQ6 I A22 B23 IRQ5 I A23 B24 IRQ4 I A24 Signal IOCHCK# SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 IOCHRDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 D18 I/O I I/O I/O I/O I/O I/O I/O I/O I/O I O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O Appendix A. Connector pin assignments 29