Asus M4A78LT_LE Owner's Manual download pdf (Page 14)

C.P.R. (CPU Parameter Recall)

The BIOS C.P.R. feature automatically restores the CPU default settings

when the system hangs due to overclocking failure. C.P.R. eliminates the

need to open the system chassis and clear the RTC data. Simply shut

down and reboot the system, and the BIOS automatically restores the

CPU parameters to their default settings.

ErP ready

The motherboard is European Union´s Energy-related Products (ErP)

ready, and ErP requires products to meet certain energy efciency

requirements in regards to energy consumptions. This is in line with

ASUS vision of creating environment-friendly and energy-efcient

products through product design and innovation to reduce carbon

footprint of the product and thus mitigate environmental impacts.

Chapter 1: Product introduction1-4

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 65 66

Motherboard 1
First Edition (V1) 2
January 2011 2
Contents 3
Safety information 7
About this guide 7
Where to nd more information 8
Typography 8
(continued on the next page) 9
Chapter 1 11
ASUS M4A78LT Series 1-3 13
C.P.R. (CPU Parameter Recall) 14
ErP ready 14
1.4 Before you proceed 15
1.5 Motherboard overview 16
1.5.3 Motherboard layout 17
1.6.1 Installing the CPU 18
1.5.4 Layout contents 18
CPU FAN PWR 19
CPU FAN IN 19
CPU FAN PWM 19
CPU Heatsink 20
Retention bracket 20
Retention bracket lock 20
Retention Module Base 20
Channel Sockets 21
Channel A DIMM_A1 and DIMM_A2 21
Channel B DIMM_B1 and DIMM_B2 21
1.7.2 Memory congurations 22
DDR3-1600(O.C.)MHz capability 23
DDR3-1800(O.C.)MHz capability 23
DDR3-1333MHz capability 24
DDR3-1066MHz capability 26
1.7.3 Installing a DIMM 27
1.7.4 Removing a DIMM 27
1.8 Expansion slots 28
1.9 Jumpers 29
USBPW5-8 30
USBPW1-4 30
1.10 Connectors 31
1.10.2 Internal connectors 32
M4A78LT Series 33
SPDIF_OUT 37
Rotation 38
1.11 Software support 39
Chapter 2 41
42
2.1.3 ASUS CrashFree BIOS 3 43
2.2 BIOS setup program 44
2.2.1 BIOS menu screen 45
2.2.2 Menu bar 45
2.2.3 Navigation keys 45
Pop-up window 46
Scroll bar 46
2.3 Main menu 47
2.4 Advanced menu 49
Overclock Options [Auto] 50
PCIE Clock [100] 50
Memclock Value [400MHz] 51
2.4.2 CPU Conguration 52
2.4.3 Chipset 53
ECC Mode [Disabled] 54
UMA Frame Buffer Size [Auto] 54
Surround View [Auto] 54
2.4.5 PCIPnP 55
2.4.6 USB Conguration 56
2.5 Power menu 57
CPU Q-Fan Mode [Standard] 58
2.6 Boot menu 59
2.6.3 Security 60
2.7 Tools menu 61
2.8 Exit menu 63
ASUS contact information 65
DECLARATION OF CONFORMITY 66

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