Compaq AP400 Maintenance And Service Manual page 162

Connector and Icon (Orange)
6 5
4 3
KEY
2 1
Signal Name
Pin Signal Ended Mode
1 Ground
2 -DB12
3 Ground
4 -DB13
5 Ground
6 -DB14
7 Ground
8 -DB15
9 Ground
10 -DBP1
11 Ground
12 -DB0
13 Ground
14 -DB1
15 Ground
16 -DB2
17 Ground
18 -DB3
Table 8-7
Keyboard
Pin
1
2
3
4
5
6
Table 8-8
Wide Ultra and Wide Ultra2 SCSI Connector
Connector and Icon
LVD Mode
+DB12
-DB12
+DB13
-DB13
+DB14
-DB14
+DB15
-DB15
+DBP1
-DBP1
+DB0
-DB0
+DB1
-DB1
+DB2
-DB2
+DB3
-DB3
Compaq Professional Workstation AP400 Maintenance and Service Guide
Signal
Data
Unused
Ground
+5 VDC
Clock
Reserved
Signal Name
Pin Signal Ended Mode
35 Ground
36 TERMPWR
37 Ground
38 OPEN
39 Ground
40 Ground
41 Ground
42 -ATN
43 Ground
44 Ground
45 Ground
46 -BSY
47 Ground
48 -ACK
49 Ground
50 -RST
51 Ground
52 -MSG
8-5
LVD Mode
TERMPWR
TERMPWR
OPEN
OPEN
Ground
Ground
+ATN
-ATN
Ground
Ground
+BSY
-BSY
+ACK
-ACK
+RST
-RST
+MSG
-MSG
Continued