Chapter 5 Installation
22
AI5VP/AI5VPB User’s Manual
5.5 CN6: ATX Power Supply Connector
CN6 is a 20-pin ATX power supply connector. Refer to the following table
for the pin out assignments.
Signal Name
Pin #
Pin #
Signal Name
3.3V 11
1 3.3V
-12V 12
2 3.3V
Ground 13
3 Ground
PS-ON 14
4 +5V
Ground 15
5 Ground
Ground 16
6
+5V
Ground 17
7 Ground
-5V 18
8
Power
good
+5V 19
9 5VSB
11 1
20 10
+5V 20
10 +12V
5.6 J3: Floppy Drive Connector
J3 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 No
connect
Ground 5 6 No
connect
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
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