Asus P5K SE EPU User Manual page 27

Internal connectors
1. Floppy disk drive connector (34-1 pin FLOPPY)
2. IDE connector (40-1 pin PRI_EIDE)
3. ICH9 Serial ATA connectors (7-pin SATA1-4)
4. Digital audio connector (4-1 pin SPDIF_OUT)
5. USB connectors (10-1 pin USB78, USB910, USB1112)
6. Optical drive audio connector (4-pin CD)
7. CPU, chassis, and power fan connectors
(4-pin CPU FAN, 3-pin CHA_FAN, 3-pin PWR_FAN)
8. Serial port connector (10-1 pin COM1)
9. Chassis intrusion connector (4-1 pin CHASSIS)
10. Front panel connector (10-1 pin AAFP)
11. ATX power connectors (24-pin EATXPWR, 4-pin EATX12V)
12. System panel connector (20-8-pin PANEL)
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ASUS Q-connector (system panel)
ASUS P5K SE/EPU
System power LED (2-pin PLED)
Hard disk drive activity LED (2-pin IDE_LED)
System warning speaker (4-pin SPEAKER)
ATX power button/soft-off button (2-pin PWRSW)
Reset button (2-pin RESET)
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