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S
UPER PIIISCA/PIIISCD/PIIISCE/370SC3/370SCI/370SCD User's Manual
Hard Drive LED
The hard drive LED is located on pins
1 to 4 of JF1. Attach the hard drive
LED cable to pins 1 and 2.
Table 2-5 for pin definitions.
Keylock/Power LED
Connector
The keylock/power LED connector is
located on pins 5 to 9 of JF1. See
Table 2-6 for pin definitions. Pins 5
through 7 are for the power LED.
Pins 8 and 9 are for the keylock.
Speaker Connector
The speaker connector is located on
pins 10 to 13 of JF1. See Table 2-7
for pin definitions.
ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and the
PS/2 mouse are located on J30.
See Table 2-8 for pin definitions.
(The mouse port is above the key-
board port. See Figure 2-3.)
Hard Drive LED Pin
N u m b e r
See
Keylock/Power LED Pin
Pin
N u m b e r
Function
5
V C C + 5 V
6
V C C + 5 V
7
8
9
Speaker Connector Pin
Pin
N u m b e r
Function
1 0
1 1
1 2
1 3
2-8
Table 2-5
Definitions
(JF1)
Pin
Definition
1
+ 5 V
2
HD Active
3
HD Active
4
+ 5 V
Table 2-6
Definitions (JF1)
Definition
LED power
LED power or key
G r o u n d
Black wire
Keyboard inhibit
G r o u n d
Black wire
Table 2-7
Definitions (JF1)
Definition
+
Red wire, Speaker data
K e y
No connection
K e y
Speaker data
Table 2-8
PS/2 Keyboard
and Mouse Port
Pin Definitions
(J30)
Pin
N u m b e r
Definition
1
Data
2
N C
3
G r o u n d
4
V C C
5
Clock
6
N C
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