Hardware Configuration Setting
ROBO-638 User’s Manual
2-9
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J5 : FDC Interface Connector
PIN No. Signal Description
PIN No.
Signal Description
1 Ground
2 Density
Select
3 Ground
4 N/C
5 Ground
6 N/C
7 Ground
8 Index#
9 Ground
10 Motor
ENA#
11
Ground
12
Drive Select B#
13
Ground
14
Drive Select A#
15 Ground
16 Motor
ENB#
17 Ground
18 Direction#
19 Ground
20 Step#
21 Ground
22 Write
Data#
23 Ground
24 Write
Gate#
25 Ground
26 Track
0#
27 Ground
28 Write
Protect#
29 N/C
30 Read
Data#
31 Ground
32 Head
Select#
33 N/C
34 Disk
Change#
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J6 : External Speaker Header
PIN No.
Signal Description
1
Speaker signal
2
N/C
3
Ground
4
+5V
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J10 : Keyboard Lock Header
PIN No.
Signal Description
1
+5V (330 ohm pull-up for power LED)
2
N/C
3
Ground
4
Keyboard inhibit
5
Ground
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J14 : ATX Power Button Interface
PIN No.
Signal Description
1
Power Button Control Signal
2
Ground
