IBM 600 2-12 System Board

Figure 2-9 (Part 1 of 2). UltraSlim Bay Connector Pin Assignments
Pin Signal I/O and Feature
1 -UBAYID1 I
2 -UBAYID2 I
3 GND GND
4 GND GND
5 -INDEX I
6 -DRVSEL0 O
7 -DISKCHG I
8 -DRVID0 I
9NC N/C
10 -MEDID0 I
11 -MONTEN0 O
12 DRATE1 O
13 -DIR O
14 -DRVID1 I
15 -STEP 0
16 GND GND
17 -WRDATA O
18 GND GND
19 -WREN O
20 -MEDID1 I
21 -TRACK0 I
22 DRATE0 O
23 -WPROTECT I
24 -RDDATA I
25 GND GND
26 -SIDE1SEL O
27 -UBAYID0 O
28 BAYRESET O
29 GND GND
30 SDD7 I/O
31 SDD8 I/O
32 SDD6 I/O
33 SDD9 I/O
34 GND GND
35 SDD5 I/O
36 DD10 I/O
37 SDD4 I/O
38 SDD11 I/O
39 VCC5B VCC
40 VCC5B VCC
41 VCC5B VCC
42 VCC5B VCC
43 SDD3 I/O
44 SDD12 I/O
45 SDD2 I/O
46 SDD13 I/O
47 GND GND
48 SDD1 I/O
49 SDD14 I/O
50 SDD0 I/O
2-12 System Board