1.5.3 Motherboard layout
1.5.4 Layout contents
Connectors/Jumpers/Slots Page
1. Keyboard power (3-pin KBPWR) 1-18
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-23
3. CPU socket AM2+/AM2 1-7
4. CPU, Chassis and Power Fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin
PWR_FAN)
1-22
5. DDR2 DIMM slots 1-10
6. Serial ATA connectors (7-pin SATA1-6) 1-25
7. IDE connector (40-1 pin PRI_IDE) 1-24
8. System panel connector (10-1 pin PANEL) 1-26
9. Onboard LED (SB_PWR) 1-4
10. Chassis intrusion connector (4-1 pin CHASSIS) 1-22
11. USB device wake-up (3-pin USBPW1-4, USBPW5-8, USBPW9-12) 1-18
12. USB connectors (10-1 pin USB56, USB78, USB910, USB1112) 1-27
13. Clear RTC RAM (CLRTC) 1-17
14. Floppy disk drive connector (34-1 pin FLOPPY) 1-27
15. Digital audio connector (4-1 pin SPDIF_OUT) 1-28
16. Optical drive audio in connector (4-pin CD) 1-28
17. Front panel audio connector (10-1 pin AAFP) 1-29
18. Serial port connector (10-1 pin COM1) 1-29
1-6 ASUS M4A78 PRO