Ultra Scsi - Compaq 133756-004 - Deskpro EN - 6550 Model 6400 Service & Reference Manual
Deskpro personal computers service reference guide
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Also See for 133756-004 - Deskpro EN - 6550 Model 6400:
- Maintenance & service manual (85 pages) ,
- Configuration manual (152 pages) ,
- Maintenance and service manual (103 pages)
Table of Contents
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Ultra SCSI
Connector and Icon
Pin
Signal
1-11
Ground
12
Reserved
13
Open
14
Reserved
15-25
Ground
26
DB0
27
DB1
28
DB2
29
DB3
30
DB5
IDE CD-ROM Cable
49
50
Pin
Signal
1
RESDRV_
2
D06
3
D04
4
D02
5
D00
6
DREQ
7
IOR
8
DAK
9
A1
10
CS1FX
11
AUDIO_R
12
+5VMOT1
13
+5VMLOG1
A-8
Connector Pin Assignments
Pin
Signal
31
DB5
32
DB6
33
DB7
34
DBP
35
Ground
36
Ground
37
Reserved
38
TERMPWR
39
Reserved
40
Ground
1
2
Pin
Signal
14
GROUND
15
D09
16
D11
17
D13
18
D15
19
Ground
20
Ground
21
Ground
22
PDIAG
23
CS3FX
24
AUDIO_L
25
+5VMOT2
26
+5VMLOG2
Pin
41
42
43
44
45
46
47
48
49
50
Pin
Signal
27
D07
28
D05
29
D03
30
D01
31
Ground
32
IOW
33
OCHRDY
34
IRQ
35
A0
36
DASP
37
A_GND_R
38
+5VMOT3
39
DASP
Signal
ATN #
Ground
BSY #
ACK #
RST #
MSG #
SEL #
C/D
REQ #
Input/Output
Pin
Signal
40
D08
41
D10
42
D12
43
D14
44
(KEY)
45
Ground
46
CABLE SELECT
47
IO16
48
A2
48
Ground
49
A_GND_L
50
+5VMOT4
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