58
22 GND
Ground
23 /IOW
Write Strobe
24 GND
Ground
25 /IOR
Read Strobe
26 GND
Ground
27 IO_CH_RDY
28 ALE
Address Latch Enable
29 n/c - Not connected
30 GND
Ground
31 IRQR
Interrupt Request
32 /IOCS16 ? IO ChipSelect 16
33 DA1
Address 1
34 n/c - Not connected
35 DA0
Address 0
36 DA2
Address 2
37 /IDE_CS0
(1F0-1F7)
38 /IDE_CS1
(3F6-3F7)
39 /ACTIVE
Led driver
40 GND
Ground
Note: Direction is Controller relative Devices (Harddisks).
ATX +12V Power Supply
(at the motherboard)
(at the cable)
4 PIN MOLEX 39-29-9042 at the motherboard
4 PIN MOLEX 39-01-2040 at the cable
Pin Name Color Description
1 COM Black Ground
2 COM Black Ground
3 +12VDC Yellow +12 VDC
4 +12VDC Orange +3.3 VDC
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