IBM 220 - Manual (Page 78)

68 IBM® xSeries 220 User’s Reference
SCSI connector pin-number assignments
The following table shows the pin-number assignments for the 68-pin SCSI connector.
Pin Signal Pin Signal
1 +Data 12 35 -Data 12
2 +Data 13 36 -Data 13
3 +Data 14 37 -Data 14
4 +Data 15 38 -Data 15
5 +Data P1 39 -Data P1
6 +Data 0 40 -Data 0
7 +Data1 41 -Data 1
8 +Data 2 42 -Data 2
9 +Data 3 43 -Data 3
10 +Data 4 44 -Data 4
11 +Data 5 45 -Data 5
12 +Data 6 46 -Data 6
13 +Data 7 47 -Data 7
14 +Data P 48 -Data P
15 Ground 49 Ground
16 DIFFSENS 50 Ground
17 Term power 51 Term power
18 Term power 52 Term power
19 Reserved 53 Reserved
20 Ground 54 Ground
21 +Attention 55 -Attention
22 Ground 56 Ground
23 +Busy 57 -Busy
24 +Acknowledge 58 -Acknowledge
25 +Reset 59 -Reset
26 +Message 60 -Message
27 +Select 61 -Select
28 +Control/Data 62 -Control/Data
29 +Request 63 -Request
30 +Input/Output 64 -Input/Output
Table 10. 68-pin SCSI connector pin-number assignments
34 1
68 35