Asus F2A55-M LK PLUS, User Manual, Page: 19 / 78

1.4 Accelerated Processing Unit (APU)
This motherboard comes with an FM2 socket designed for AMD
®
A-series accelerated
processors with AMD
®
Radeon™ HD 7000 series graphics.
Ensure that you use a APU designed for the FM2 socket. The APU fits in only one correct
orientation. DO NOT force the APU into the socket to prevent bending the pins and
damaging the APU!
1.3.4 Layout contents
Connectors/Jumpers/Slots/LED Page
1. Keyboard power (3-pin KBPWR) 1-21
2. USB device wake-up (3-pin USBPW1-4, 3-pin USBPW5-10) 1-21
3. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-24
4. AMD FM2 socket 1-7
5. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 1-23
6. DDR3 DIMM slots 1-11
7. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 1-25
8. Standby power LED (SB_PWR) 1-4
9. System panel connector (10-1 pin F_PANEL) 1-26
10. Speaker connector (4-pin SPEAKER) 1-26
11. Clear RTC RAM (3-pin CLRTC) 1-20
12. USB 2.0 connectors (10-1 pin USB56, USB78, USB910) 1-28
13. LPT connector (26-1 pin LPT) 1-25
14. Digital audio connector (4-1 pin SPDIF_OUT) 1-27
15. Front panel audio connector (10-1 pin AAFP) 1-27
16. Serial port connector (10-1 pin COM) 1-28
F2A55-M LK PLUS
F2A55-M LK PLUS APU socket FM2
ASUS F2A55-M LK Series
1-7