Chapter 17 PHP I/O Baseboard: Description/Setting Configuration Jumpers
207

ISA Connect or

The ISA connector on the PHP I/O baseboard follows the standard pinout given in the ISA

Specification.

Pin Signal Pin Signal
B1 GND (Ground) A1 IOCHK_L
B2 RESET A2 SD7
B3 +5 V A3 SD6
B4 IRQ9 A4 SD5
B5 -5 V A5 SD4
B6 DRQ2 A6 SD3
B7 -12 V A7 SD2
B8 SRDY_L A8 SD1
B9 +12 V A9 SD0
B10 GND A10 IOCHRDY
B11 SMEMW_L A11 AEN
B12 SMEMR_L A12 SA19
B13 IOW_L A13 SA18
B14 IOR_L A14 SA17
B15 DACK3_L A15 SA16
B16 DRQ3 A16 SA15
B17 DACK1_L A17 SA14
B18 DRQ1 A18 SA13
B19 REFRESH_L A19 SA12
B20 BCLK A20 SA11
B21 IRQ7 A21 SA10
B22 IRQ6 A22 SA9
B23 IRQ5 A23 SA8
B24 IRQ4 A24 SA7
B25 IRQ3 A25 SA6
B26 DACK2_L A26 SA5
B27 TC A27 SA4
B28 BALE A28 SA3
B29 +5 V A29 SA2
B30 OSC 14 MHz A30 SA1
B31 GND A31 SA0
Key Key
D1 MEMCS16_L C1 SBHE_L
D2 IOCS16_L C2 LA23
D3 IRQ10 C3 LA22
continued