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ASUS A55BM-A/USB3
1-3
1.2.3 Motherboard layout
A55BM-A/USB3
PCIEX16
PCIEX1_1
PCI1
F_PANEL
SPEAKER
USBPWF
COM
CLRTC
KB_USBWB
USB56 USB34
AAFP
SPDIF_OUT
ATX12V
EATXPWR
CPU_FAN CHA_FAN
BATTERY
Super
I/O
ALC
887
RTL
8111G
ASM
1042
64Mb
BIOS
SB_PWR
22.6cm(8.9in)
AMD
®
A55
DDR3 DIMM_A1 (64bit, 240-pin module)
DDR3 DIMM_B1 (64bit, 240-pin module)
SATA3G_1 SATA3G_2 SATA3G_3
SATA3G_4 SATA3G_5 SATA3G_6
AUDIO
KBMS
LAN_USB12
USB3_12
18.3cm(7.2in)
DVI_VGA
SOCKET FM2+
DIGI
+VRM
HDMI
321 54
7
2
6
8
91011121315 14 7
Connectors/Jumpers/Slots/LED Page
1. Keyboard power (3-pin KB_USBPWB) 1-12
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
1-16
3. AMD FM2+ socket
1-4
4. CPU and chassis fan connectors (4-pin CPU_FAN and 4-pin CHA_FAN)
1-15
5. DDR3 DIMM slots
1-7
6. Speaker connector (4-pin SPEAKER)
1-18
7. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6)
1-17
8. System panel connector (10-1 pin F_PANEL)
1-18
9. USB 2.0 connectors (10-1 pin USB34, USB56)
1-20
10. Clear RTC RAM (3-pin CLRTC)
1-11
11. USB device wake-up (3-pin USBPWF)
1-12
12. Digital audio connector (4-1 pin SPDIF_OUT)
1-19
13. Serial port connector (10-1 pin COM)
1-20
14. Standby power LED (SB_PWR)
1-1
15. Front panel audio connector (10-1 pin AAFP)
1-19