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Apollo IV PCI Pentium ISA Motherboard User’s Guide
38
Step 9 Attach IDE Drive, Continued
SECONDARY IDE Pinout The SECONDARY pinout is:
Pin Use Pin Use
1 -RESET 2 GND
3 DATA7 4 DATA8
5 DATA6 6 DATA9
7 DATA5 8 DATA10
9 DATA4 10 DATA11
11 DATA3 12 DATA12
13 DATA2 14 DATA13
15 DATA1 16 DATA14
17 DATA0 18 DATA15
19 GND 20 KEY (N/C)
21 N/C 22 GND
23 -IOW 24 GND
25 -IOR 26 GND
27 IDERDY 28 ALE
29 N/C 30 GND
31 INT15 32 -IOCS16
33 HA1 34 N/C
35 HA0 36 HA2
37 -CS2 38 -CS3
39 N/C 40 GND