A.4 Reference for the UltraSCSI Connector
The Ultra small computer system interface (UltraSCSI) connector is located on the main logic board back panel.
A.4.1 UltraSCSI Connector Diagram
A.4.2 UltraSCSI Connector Signals
|
Pin |
Signal Name |
Description |
|---|---|---|
|
1 |
Gnd |
Ground |
|
2 |
Gnd |
Ground |
|
3 |
Gnd |
Ground |
|
4 |
Gnd |
Ground |
|
5 |
Gnd |
Ground |
|
6 |
Gnd |
Ground |
|
7 |
Gnd |
Ground |
|
8 |
Gnd |
Ground |
|
9 |
Gnd |
Ground |
|
10 |
Gnd |
Ground |
|
11 |
Gnd |
Ground |
|
12 |
Gnd |
Ground |
|
13 |
Gnd |
Ground |
|
14 |
Gnd |
Ground |
|
15 |
Gnd |
Ground |
|
16 |
Gnd |
Ground |
|
17 |
Termpower |
Termpower |
|
18 |
Termpower |
Termpower |
|
19 |
Not used |
Undefined |
|
20 |
Gnd |
Ground |
|
21 |
Gnd |
Ground |
|
22 |
Gnd |
Ground |
|
23 |
Gnd |
Ground |
|
24 |
Gnd |
Ground |
|
25 |
Gnd |
Ground |
|
26 |
Gnd |
Ground |
|
27 |
Gnd |
Ground |
|
28 |
Gnd |
Ground |
|
29 |
Gnd |
Ground |
|
30 |
Gnd |
Ground |
|
31 |
Gnd |
Ground |
|
32 |
Gnd |
Ground |
|
33 |
Gnd |
Ground |
|
34 |
Gnd |
Ground |
|
35 |
Dat<12>_ |
Data 12 |
|
36 |
Dat<13>_ |
Data 13 |
|
37 |
Dat<14>_ |
Data 14 |
|
38 |
Dat<15>_ |
Data 15 |
|
39 |
Par1 l_ |
Parity 1 |
|
40 |
Dat<0>_ |
Data 0 |
|
41 |
Dat<1>_ |
Data 1 |
|
42 |
Dat<2>_ |
Data 2 |
|
43 |
Dat<3>_ |
Data 3 |
|
44 |
Dat<4>_ |
Data 4 |
|
45 |
Dat<5>_ |
Data 5 |
|
46 |
Dat<6>_ |
Data 6 |
|
47 |
Dat<7>_ |
Data 7 |
|
48 |
Par0 l_ |
Parity 0 |
|
49 |
Gnd |
Ground |
|
50 |
Term_dis_ |
Term disable |
|
51 |
Termpower |
Termpower |
|
52 |
Termpower |
Termpower |
|
53 |
Not used |
Undefined |
|
54 |
Gnd |
Ground |
|
55 |
Atn_ |
Attention |
|
56 |
Gnd |
Ground |
|
57 |
Bsy_ |
Busy |
|
58 |
Ack_ |
Acknowledge |
|
59 |
Rst_ |
Reset |
|
60 |
Msg_ |
Message |
|
61 |
Sel_ |
Select |
|
62 |
Cd_ |
Command |
|
63 |
Req_ |
Request |
|
64 |
IO_ |
In/Out |
|
65 |
Dat<8>_ |
Data 8 |
|
66 |
Dat<9>_ |
Data 9 |
|
67 |
Dat<10>_ |
Data 10 |
|
68 |
Dat<11>_ |
Data 11 |
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