Hardware Configuration Setting
3303788
User’s Manual
2-6
Pin Assignments of Connectors
■
J1 : Reset Header
PIN No. Signal Description
1
Reset
2
Ground
■
J2 : External Speaker Header
PIN No.
Signal Description
1
Speaker signal
2
N/C
3
Ground
4
+5V
■
J3 : 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
■
J4 : IDE1 Active LED Header
PIN No.
Signal Description
1
+5V (470 ohm pull-up for HDD LED)
2
HDD Active # (LED cathode terminal)
■
J10 : ATX Power Control Connector
PIN No.
Signal Description
1
ATX Power Good Signal
2
ATX 5V Stand-by
3
ATX Power On Control
4
Ground
