138
SPARCstation Voyager Service Manual • December 1994
FIGURE B-15
SCSI Connector (Internal)
TABLE B-15
SCSI (Internal) Pin Assignments
Pin
Name
I/O
Description
Pin
Name
I/O
Description
1
N.C.
26
scsi-data 2
I/O
Data bit 2
2
N.C.
27
N.C.
3
N.C.
28
scsi-data 1
I/O
Data bit 1
4
N.C.
29
GND
O
Ground
5
GND
O
Ground
30
scsi-data 0
O
Data bit 0
6
GND
O
Voltage (+)
31
GND
O
Ground
7
VCC
O
Voltage (+)
32
scsi-parity
I/O
Parity bit
8
N.C.
33
GND
O
Ground
9
N.C.
34
scsi-termpwr
O
Termination Power
10
N.C.
35
scsi-attention
I/O
Attention
11
VCC
O
Voltage (+)
36
scsi-busy
I/O
Busy
12
VCC
O
Voltage (+)
37
GND
O
Ground
13
GND
O
Ground
38
scsi-ack
I/O
Acknowledge
14
GND
O
Ground
39
scsi-reset
I/O
Reset
15
GND
O
Ground
40
scsi-message
I/O
Message
16
scsi-data7
I/O
Data bit 7
41
GND
O
Ground
17
GND
O
Ground
42
scsi-sel
I/O
Select
18
scsi-data 6
I/O
Data bit 6
43
scsi-dir
I/O
Direction
19
GND
O
Ground
44
scsi-control
I/O
Control
20
scsi-data 5
I/O
Data bit 5
45
GND
O
Ground
21
GND
O
Ground
46
scsi-req
I/O
Request
22
scsi-data 4
I/O
Data bit 4
47
GND
O
Ground
23
GND
O
Ground
48
GND
O
Ground
24
scsi-data 3
I/O
Data bit 3
49
VCC
O
Voltage (+)
25
GND
O
Ground
50
VCC
O
Voltage (+)
49
50
Summary of Contents for SPARCstation Voyager
Page 9: ...Contents ix test memory 146 power off 147 Glossary 149...
Page 10: ...x SPARCstation Voyager Service Manual December 1994...
Page 16: ...xvi SPARCstation Voyager Service Manual December 1994...
Page 22: ...xxii SPARCstation Voyager Service Manual December 1994...
Page 28: ...6 SPARCstation Voyager Service Manual December 1994...
Page 36: ...14 SPARCstation Voyager Service Manual December 1994...
Page 46: ...24 SPARCstation Voyager Service Manual December 1994...
Page 88: ...66 SPARCstation Voyager Service Manual December 1994...
Page 108: ...86 SPARCstation Voyager Service Manual December 1994...
Page 142: ...120 SPARCstation Voyager Service Manual December 1994...
Page 170: ...148 SPARCstation Voyager Service Manual December 1994...
Page 178: ...156 SPARCstation Voyager Service Manual December 1994...