SBC8153 Pentium All-in-One CPU Card Family User’s Manual
Connector Pin Assignments
62
Floppy Drive Connector: J5
J5 of the SBC8153 is a 34-pin header and will support up to 2.88MB
floppy drives.
Signal Name
Pin
Pin
Signal Name
Ground
1
2
RM/LC
Ground
3
4
Reserved
Ground
5
6
Reserved
Ground
7
8
Index
Ground
9
10
Motor enable 0
Ground
11
12
Drive select 1
Ground
13
14
Drive select 0
Ground
15
16
Motor enable 1
Ground
17
18
Direction
Ground
19
20
Step
Ground
21
22
Write data
Ground
23
24
Write gate
Ground
25
26
Track 00
Ground
27
28
Write protect
Ground
29
30
Read data
Ground
31
32
Side 1 select
Ground
33
34
Diskette change
CPU Fan Power Connector: J6
J6 Pin #
Signal Name
1
+12V
2
Ground
Summary of Contents for SBC8153
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