Asus M5A78L/USB3 - Manual (Page 18)

1.5.4 Layout contents
1.6 Central Processing Unit (CPU)
This motherboard comes with an AM3+ socket designed for FX™ / Phenom™ II / Athlon™ II /
Sempron™ 100 series processors.
1.6.1 Installing the CPU
To install a CPU:
1.
Locate the CPU socket on the motherboard.
The AM3+ socket has a different pinout from the AM2+/AM2 socket. Ensure that you use a
CPU designed for the AM3+ socket. The CPU fits in only one correct orientation. DO NOT
force the CPU into the socket to prevent bending the pins and damaging the CPU!
Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page
1. Keyboard power (3-pin KBPWR) 1-20 8. IDE connector (40-1 pin PRI_IDE) 1-24
2. USB device wake-up (3-pin USBPW1-4,
USBPW5-10)
1-20 9. Onboard LED (SB_PWR) 1-5
3. ATX power connectors (24-pin EATXPWR, 4-pin
ATX12V)
1-23 10. System panel connector (20-8 pin PANEL) 1-26
4. CPU and chassis fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN)
1-28 11. USB connectors (10-1 pin USB56, USB78,
USB910)
1-27
5. AMD CPU socket 1-8 12. Clear RTC RAM (CLRTC) 1-19
6. DDR3 DIMM sockets 1-11 13. Digital audio connector (4-1 pin SPDIF_OUT) 1-27
7. Serial ATA connectors (7-pin SATA3G_1~6) 1-25 14. Front panel audio connector (10-1 pin AAFP) 1-22
M5A78L/USB3
M5A78L/USB3 CPU socket AM3+
Chapter 1: Product introduction 1-8