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ASUS P5G41T-M LX3 PLUS
1-17
1.9
Jumpers
1.
Clear RTC RAM (3-pin CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, time, and system setup parameters by erasing
the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!
• If the steps above do not help, remove the onboard battery and move the jumper again
to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.
• You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut
down and reboot the system, then the BIOS automatically resets parameter settings to
default values.
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3
for about 5-10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter
data.
P5G41T-M LX3 PLUS Clear RTC RAM
1 2
2 3
Normal
(Default)
Clear RTC
CLRTC
P5G41T-M LX3 PLUS
Page 16: Layout contents -6, 6 chapter 1: product introduction, P5g41t-m lx3
1-6
Chapter 1: Product introduction
1.5.3
Motherboard layout
P5G41T-M LX3
PCIEX16
PCIEX1_2
PCIEX1_1
PCI1
USB56
USB78
F_PANEL
AAFP
ICS
9LRS954
ATX12V
EATXPW
R
CPU_FAN
Intel
®
G41
Lithium Cell
CMOS Power
Super
I/O
AUDIO
ALC887
ATHEROS
8151
RTL
8103EL
KBMS
8Mb
BIOS
SB_PWR
CLRTC
SPEAKER
SPDIF_OUT
USBPW1-4
USBPW5-8
KBPWR
18.8cm(7.4in)
24.4cm(9.6in)
LGA775
Intel
®
ICH7
DDR3 DIMM_A1 (64bit, 240-pin module
)
DDR3 DIMM_B1 (64bit, 240-pin module
)
VG
A
COM1
LAN1_USB12
USB34
SATA1
SATA2
SATA3
Asus P5g41t M Lx
SATA4
CHA_FAN
2
5
1
6
5
3
4
2
7
7
9
11
12
13
14
3 10
8
1.5.4
Layout contents
Connectors/Jumpers/Slots/LED
Page
Connectors/Jumpers/Slots/LED
Page
1. Keyboard power (3-pin KBPWR)
1-18 8.
System panel connector (10-1 pin F_PANEL) 1-24
2. ATX power connectors (24-pin EATXPWR,
4-pin ATX12V)
1-21 9.
USB connectors (10-1 pin USB56, USB78)
1-22
3. USB device wake-up (3-pin USBPW1-4, 3-pin
USBPW5-8)
1-18 10. Standby power LED (SB_PWR)
1-4
4. Intel LGA775 CPU socket
1-7
11. Clear RTC RAM (3-pin CLRTC)
M5a78l M Lx Plus Specs
1-17
5. CPU and chassis fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN)
1-23 12. Digital audio connector (4-1 pin SPDIF_OUT) 1-23
6. DDR3 DIMM slots
1-12 13. Speaker connector (4-pin SPEAKER)
1-24
7. Serial ATA connectors (7-pin SATA1-4)
1-22 14. Front panel audio connector (10-1 pin AAFP) 1-20