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1.5.3
Motherboard layout
1
2 3
KBPWR
KBMS
USB34
LAN1_USB12
COM1
AUDIO
AR
8131
Super
I/O
VT1708S
LPT
AAFP
17
16
1.5.4
Layout contents
Connectors/Jumpers/Slots
1.
Keyboard power (3-pin KBPWR)
2.
USB device wake-up (3-pin USBPW1-4,
USBPW5-10)
3.
Serial port connectors (10-1 pin COM1)
4.
ATX power connectors (24-pin EATXPWR, 4-pin
ATX12V)
5.
CPU and chassis fan connectors (4-pin
CPU_FAN and 3-pin CHA_FAN)
6.
Clear RTC RAM (CLRTC)
7.
AMD CPU socket
8.
DDR3 DIMM sockets
9.
IDE connector (40-1 pin PRI_IDE)
ASUS M4A78LT-M PLUS
4
5
6
20.8cm(8.2in)
ATX12V
CPU_FAN
CHA_FAN
CLRTC
PCIEX1_1
Lithium Cell
CMOS Power
PCIEX16
M4A78LT-M PLUS
PCI1
PCI2
F_PANEL
15
14
Page
1-19
1-19
1-28
1-22
1-28
1-18
1-8
1-11
1-23
7
AMD
®
780L
AMD
®
SB710
USBPW5-10
USB78
USB910
USB56
13
Connectors/Jumpers/Slots
10.
Onboard LED (SB_PWR)
11.
Speaker connector (4-pin SPEAKER)
12.
Serial ATA connectors (7-pin SATA1-6)
13.
USB connectors (10-1 pin USB56, USB78,
USB910)
14.
System panel connector (10-1 pin F_PANEL)
15.
LPT connector (26-1 pin LPT)
16.
Front panel audio connector (10-1 pin AAFP)
17.
Digital audio connector (4-1 pin SPDIF_OUT) 1-27
8
4
PRI_IDE
SB_PWR
8Mb
BIOS
SPEAKER
SATA5
SATA6
SATA3
SATA4
SATA1
SATA2
2
9
10
11
12
Page
1-5
1-27
1-24
1-26
1-25
1-26
1-21
1-7
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