Isa Connector - Intel AC450NX Product Manual

ISA Connector

The ISA connector on the PHP I/O baseboard follows the standard pinout given in the ISA
Specification.
Pin
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
Key
D1
D2
D3
Chapter 17 PHP I/O Baseboard: Description/Setting Configuration Jumpers
Signal
GND (Ground)
RESET
+5 V
IRQ9
-5 V
DRQ2
-12 V
SRDY_L
+12 V
GND
SMEMW_L
SMEMR_L
IOW_L
IOR_L
DACK3_L
DRQ3
DACK1_L
DRQ1
REFRESH_L
BCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2_L
TC
BALE
+5 V
OSC 14 MHz
GND
MEMCS16_L
IOCS16_L
IRQ10
Pin Signal
A1 IOCHK_L
A2 SD7
A3 SD6
A4 SD5
A5 SD4
A6 SD3
A7 SD2
A8 SD1
A9 SD0
A10 IOCHRDY
A11 AEN
A12 SA19
A13 SA18
A14 SA17
A15 SA16
A16 SA15
A17 SA14
A18 SA13
A19 SA12
A20 SA11
A21 SA10
A22 SA9
A23 SA8
A24 SA7
A25 SA6
A26 SA5
A27 SA4
A28 SA3
A29 SA2
A30 SA1
A31 SA0
Key
C1 SBHE_L
C2 LA23
C3 LA22
continued
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