4-10
5.
20-pin ATXPWR1, 4-pin ATX12V1
ATX +12V
20
ATXPWR
4-pin
+12V
ATX +12V
+12V
8
+5VSB
2
300
PSCH-LR
®
PSCH-LR ATX Power Connectors
ATXPWR1
ATX12V1
Pin 1
+3.3VDC
-12.0VDC
COM
PS_ON#
COM
COM
COM
-5.0VDC
+5.0VDC
+5.0VDC
PWR_OK
+12.0VDC
+3.3VDC
+3.3VDC
COM
+5.0VDC
COM
+5.0VDC
COM
+5VSB
+12V DC
GND
+12V DC
GND
6. LED
2-pin J3
SCSI
RAID
LED
LED
IDE_LED