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Table 8 shows the pin-number assignments for the 68-pin SCSI connectors.
Table 8. The 68-Pin SCSI Port Connector Pin-Number Assignments
Pin Signal Pin Signal
1 Ground 35 Data 12
2 Ground 36 Data 13
3 Ground 37 Data 14
4 Ground 38 Data 15
5 Ground 39 Data P1
6 Ground 40 Data 0
7 Ground 41 Data 1
8 Ground 42 Data 2
9 Ground 43 Data 3
10 Ground 44 Data 4
11 Ground 45 Data 5
12 Ground 46 Data 6
13 Ground 47 Data 7
14 Ground 48 Data P0
15 Ground 49 Reserved
16 Ground 50 -PRSN
17 Terminal power 51 Terminal power
18 Terminal power 52 Terminal power
19 Reserved 53 Reserved
20 Ground 54 Ground
21 Ground 55 -Attention
22 Ground 56 Ground
23 Ground 57 -Busy
24 Ground 58 -Acknowledge
25 Not connected 59 -Reset
26 Ground 60 -Message
27 Ground 61 -Select
28 Ground 62 -Control/Data
29 Ground 63 -Request
30 Ground 64 -Input/Output
31 Ground 65 Data 8
32 Ground 66 Data 9
33 Ground 67 Data 10
34 Ground 68 Data 11
Chapter 4. Installing Options 89