Scsi Interface Connector - Intel 486MIS Quick Start Manual

SCSI Interface Connector

The on-board SCSI Interface connector (SCSI) is a 2x25-pin male
header. This interface can be disabled in the event that no hard drive is
present or a separate hard drive controller is installed on the system.
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
Page 20
Description
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
CDP#
Ground
Ground
Ground
SCSI Termination
Current
Ground
Ground
ATN#
Ground
BUSY#
ACK#
RST#
MSG#
SEL#
C/D#
REQ#
I/O#
486MIS System Board User's Manual
Pin Description
1 Ground
3 Ground
5 Ground
7 Ground
9 Ground
11 Ground
13 Ground
15 Ground
17 Ground
19 Ground
21 Ground
23 Ground
25 No Connection
27 Ground
29 Ground
31 Ground
33 Ground
35 Ground
37 Ground
39 Ground
41 Ground
43 Ground
45 Ground
47 Ground
49 No Connection