Isa Bus Connectors - Intel AN430TX - Motherboard - ATX Technical Product Specification

Table 28.

ISA Bus Connectors

Pin Signal Name
B1 Ground
B2 RESET (RESDRV)
B3 +5 V
B4 IRQ9
B5 -5 V
B6 DRQ2
B7 -12 V
B8 SRDY# (NOWS#)
B9 +12 V
B10 Ground
B11 SMEMW# (SMWTC#)
B12 SMEMR# (SMRDC#)
B13 IOW# (IOWC#)
B14 IOR# (IORC#)
B15 DACK3#
B16 DRQ3
B17 DACK1#
B18 DRQ1
B19 REFRESH#
B20 BCLK
B21 IRQ7
B22 IRQ6
B23 IRQ5
B24 IRQ4
B25 IRQ3
B26 DACK2#
B27 TC
B28 BALE
B29 +5 V
B30 OSC
B31 Ground
Key
D1 MEMCS16# (M16#)
D2 IOCS16# (IO16#)
D3 IRQ10
Note: Items in parentheses are alternate versions of signal names
Motherboard Description
Pin Signal Name
A1 IOCHK# (IOCHCK#)
A2 SD7
A3 SD6
A4 SD5
A5 SD4
A6 SD3
A7 SD2
A8 SD1
A9 SD0
A10 IOCHRDY (CHRDY)
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#
C2 LA23
C3 LA22
continued
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