Albatron PX845EV1 Series User Manual page 20

Intel 82845e & 82801db supports socket 478 intel pentium 4 processor
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Connector Configuration
Front Panel Indicator: SW/LED
+
1
2
+
-
-
3
4
-
5
6
+
-
+
7
8
9
10
SW/LED
Pin Assignment Function Pin Assignment Function
1
HD LED (+)
3
HD LED (-)
5
RST SW (-)
7
RST SW(+)
9
NC
HD LED (Hard Drive LED Connector)
This connector can be attached to an LED on the front panel of a computer case. The LED
will flicker during disk activity. This disk activity only applies to those IDE drives directly
attached to the system board.
RST SW (Reset Switch)
This connector can be attached to a momentary SPST switch. This switch is normally left
open. When closed it will cause the mainboard to reset and run the POST (Power On Self
Test).
ACPI LED (Power LED Connector)
This connector can be attached to an LED on the front panel of a computer case. The LED
will illuminate while the computer is powered on.
PWR SW (Power Switch)
This connector can be attached to a front panel power switch. The switch must pull the
Power Button pin to ground for at least 50 ms to signal the power supply to switch on or off
(the time required is due to internal debounce circuitry on the system board). At least two
seconds must pass before the power supply will recognize another on/off signal.
DIMM1
DIMM2
DIMM3
2
Hard Drive
ACPI LED (+)
4
LED
ACPI LED (-)
6
Reset
PWR SW(+)
8
Switch
PWR SW(-)
10
NC
16
PX845EV1/ PX845EV1 PRO
ATX_PWR
The layout is PX845EV1 PRO
Power
LED
Power-on
Switch
NC
NC

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