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24
ATX12V: ATX 12V Power Connector
Pin
Signal Name
1
Ground
2
Ground
3
Ground
4
Ground
Front Panel Header
The front panel header (F_PANEL) provides a standard set of switch and LED
headers commonly found on ATX or Micro ATX cases. Refer to the table below for
information:
Pin
Signal
1
HD_LED_P Hard disk LED (+) 2
3
HD_LED_N Hard disk LED (-)
5
RST_SW_N Reset Switch (-)
7
RST_SW_P
9
RSVD
* MSG LED (dual color or single color)
Hard Drive Activity LED
Connecting pins 1 and 3 to a front panel mounted LED provides visual indication
that data is being read from or written to the hard drive. For the LED to function
properly, an IDE drive should be connected to the onboard IDE interface. The LED
will also show activity for devices connected to the SCSI (hard drive activity LED)
connector.
Power/Sleep/Message waiting LED
Connecting pins 2 and 4 to a single or dual-color, front panel mounted LED provides
power on/off, sleep, and message waiting indication.
Pin
Signal Name
5
+12V
6
+12V
7
+12V
8
+12V
Function
Pin
Signal
FP PWR/SLP *MSG LED (+)
4
FP PWR/SLP *MSG LED (-)
6
PWR_SW_P Power Switch (+)
Reset Switch (+)
8
PWR_SW_N Power Switch (-)
Reserved
10
Key
Installing the Motherboard
Function
No pin
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