User Manual

1.5.3 Motherboard layout
1.5.4 Layout contents
M4A78LT-M LX
PCIEX16
PCIEX1_1
PCIEX1_2
PCI1
USB910 USB78 USB56
AAFP
SPDIF_OUT
ATX12V
EPU
EATXPWR
CPU_FAN
Lithium Cell
CMOS Power
Super
I/O
ALC
887
RTL
8111E
ICS
9LPRS483
KBMS
8Mb
BIOS
SB_PWR
SPEAKER
CLRTC
USBPW5-10
USBPW1-4
KBPWR
20.3cm(8.0in)
24.4cm(9.6in)
AMD
®
RS780L
AMD
®
SB710
SOCKET AM3
DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module)
SATA3G_3SATA3G_1
SATA3G_4SATA3G_2
SATA3G_6SATA3G_5
CHA_FAN
F_PANEL
AUDIO
LAN1_USB12
USB34
LPT
COM1
VGA
2 3 4
5 6
3
1
101112 89 21314
7
Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page
1. Keyboard power (3-pin KBPWR) 1-19 8. System panel connector (10-1 pin F_PANEL) 1-24
2. USB device wake-up (3-pin USBPW1-4,
USBPW5-10, )
1-19 9. Speaker connector (4- pin SPEAKER) 1-26
3. ATX power connectors (24-pin EATXPWR, 4-pin
ATX12V)
1-22 10. USB connectors (10-1 pin USB56, USB78,
USB910)
1-25
4. CPU and chassis fan connectors (4-pin
CPU_FAN and 3-pin CHA_FAN)
1-27 11. Digital audio connector (4-1 pin SPDIF_OUT) 1-26
5. AMD CPU socket 1-8 12. Onboard LED 1-5
6. DDR3 DIMM sockets 1-11 13. Front panel audio connector (10-1 pin AAFP) 1-21
7. Serial ATA connectors (7-pin SATA1-6) 1-23 14. Clear RTC RAM (CLRTC) 1-18
ASUS M4A78LT-M LX 1-7