IBM 3301690, User Manual

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3301690 CPU Card
3.2.2 IDE Connectors
CN Label: IDE1
CN Type: 2x20 pin header
CN Location: See Figure 3-3
CN Pinouts: See Table 3-2
One IDE connector provides connectivity for two IDE devices.
PIN NO. DESCRIPTION DESCRIPTION
1 RESET# 2 GND
3 DATA 7 4 DATA 8
5 DATA 6 6 DATA 9
7 DATA 5 8 DATA 10
9 DATA 4 10 DATA 11
11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 0 18 DATA 15
19 GND 20 N/C
21 IDE DRQ 22 GND
23 IOW# 24 GND
25 IOR# 26 GND
27 IDE CHRDY 28 BALE – DEFAULT
29 IDE DACK 30 GND
31 INTERRUPT 32 N/C
33 SA1 34 PDIAG#
35 SA0 36 SA2
37 HDC CS0# 38 HDC CS1#
39 HDD ACTIVE# 40 GND
Table 3-2: IDE Connector Pinouts
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