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1.5.3 Motherboard layout
M5A78L-M/USB3
PCIEX16
PCIEX1_1
PCI2
PCI1
USB78 USB910 USB1112
AAFP
ATX12V
EATXPWR
CPU_FAN
Lithium Cell
CMOS Power
Super
I/O
VIA
VT1708S
RTL
8111E/F
ASM
1042
ICS
9LPRS483
KB_USB56
SPDIF_O2
HDMI
16Mb
BIOS
SB_PWR
CLRTC
24.4cm(9.6in)
24.4cm(9.6in)
AMD
®
RS780L
AMD
®
SB710
DDR3 DIMM_B1 (64bit, 240-pin module)
SOCKET AM3+
DDR3 DIMM_B2 (64bit, 240-pin module)
DDR3 DIMM_A1 (64bit, 240-pin module)
DDR3 DIMM_A2 (64bit, 240-pin module)
SATA3G_4 SATA3G_5 SATA3G_6
SATA3G_1 SATA3G_2 SATA3G_3
AUDIO
LAN1_USB12
USB34
CHA_FAN
PANEL
SPDIF_OUT
LPT
COM1
DVI_VGA
EPU
51 32 4
11 710 9 813 12
1
6
2
1.5.4 Layout contents
Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page
1. CPU and chassis fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN)
1-27 8. Clear RTC RAM (CLRTC) 1-19
2. ATX power connectors (24-pin EATXPWR, 4-pin
ATX12V)
1-23 9. Onboard LED (SB_PWR) 1-5
3. AMD CPU socket 1-8 10. System panel connector (20-8 pin PANEL) 1-25
4. DDR3 DIMM sockets 1-11 11. USB connectors (10-1 pin USB78, USB910,
USB1112)
1-26
5. Serial port connectors (10-1 pin COM1) 1-27 12. Digital audio connector (4-1 pin SPDIF_OUT) 1-26
6. LPT connector (26-1 pin LPT ) 1-22 13. Front panel audio connector (10-1 pin AAFP) 1-22
7. Serial ATA connectors (7-pin SATA3G_1~6) 1-24
ASUS M5A78L-M/USB3 1-7