14
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2.15 – Front Panel Connector (J74)
Signal Description
Pin #
Pin #
Signal Description
Sleep LED “
—
“
1
2
Speaker “
—
“
Sleep LED “
+
“
3
4
Key
Key
5
6
GND
Power LED “
+
“
7
8
Speaker “
+
“
Power LED “
+
“
9
10
Key
GND
11
12
Key
Message LED “
+
“
13
14
Key
Message LED “
—
“
15
16
Not connected
Key
17
18
SCSI LED Input
HD LED “
+
“
19
20
SCSI LED Input
HD LED “
—
“
21
22
Not connected
GND
23
24
Key
Power Button
25
26
GND
Sleep Button
27
28
GND
Reset Button
29
30
GND
2.16 – Mounting the Motherboard
Before installing your motherboard, make sure your chassis has the necessary motherboard
support studs installed. These studs are usually manufacturer pre-installed, metal and are gold in
color. If you are unsure of stud placement, lay the motherboard inside the chassis and align the
studs.
NOTE
YOU MUST
make sure that there are no studs where the re are no screw holes.
