Asus M4A78LT-M LX User Guide - Page 48

2-10

Chapter 2: BIOS information

Processor Frequency Multiplier [Auto]

Sets the processor frequency multiplier. Configuration options: [Auto] [x4.0 800MHz]

[x4.0 800MHz]

[x4.5 900MHz] [x5.0 1000MHz] [x5.5 1100MHz] [x6.0 1200MHz] [x6.5 1300MHz]


[x8.0 1600MHz] [x8.5 1700MHz] [x9.0 1800MHz]



[x14.5 2900MHz] [x15.0 3000MHz]

CPU/NB Frequency [Auto]

Sets the CPU/Northbridge frequency. Configuration options: [Auto] [4.00x] [5.00x] [6.00x]

[7.00x] [8.00x] [9.00x] [10.00x]

CPU Over Voltage [Auto]

Sets the CPU over voltage. The valid value ranges vary depending on your CPU model. Use

<+> / <-> keys to adjust the ratio. Configuration options: [Auto]

The following item only appears when you set

CPU Overclocking

to

[Manual]

.

CPU/HT Reference Clock (MHz) [200]

Sets the CPU/HT Reference Clock. Configuration options: [Min.=200] [Max.=550]


CPU Overclocking

to

[Overclock Profile]

.

Overclock Options [Auto]

Selects the overclocking profile. Configuration options: [Auto] [Overclock 2%]

[Overclock 5%] [Overclock 8%] [Overclock 10%]

GPU Overclocking [Auto]

Configures the GPU overclocking. Configuration options: [Auto] [Manual]


GPU Overclocking

to

[Manual]

.

GPU Engine Clock [350]

Sets the GPU Engine Clock. Configuration options: [Min.=150] [Max.=1000]

PCIE Overclocking [Auto]

Configures the PCIE overclocking. Configuration options: [Auto] [Manual]


PCIE Overclocking

to

[Manual]

.

PCIE Clock [100]

Sets the PCIE Clock. Configuration options: [Min.=100] [Max.=150]

Section	Page
M4A78LT-M LX specifications summary	9
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	15
1.5 Motherboard overview	16
1.5.1 Placement direction	16
1.5.2 Screw holes	16
1.5.3 Motherboard layout	17
1.5.4 Layout contents	17
1.6 Central Processing Unit (CPU)	18
1.6.1 Installing the CPU	18
1.6.2 Installing the heatsink and fan	20
1.7 System memory	21
1.7.1 Overview	21
1.7.2 Memory configurations	22
1.7.3 Installing a DIMM	26
1.7.4 Removing a DIMM	26
1.8 Expansion slots	27
1.8.1 Installing an expansion card	27
1.8.2 Configuring an expansion card	27
1.8.3 PCI slot	27
1.8.4 PCI Express x1 slots	27
1.8.5 PCI Express x16 slot	27
1.9 Jumpers	28
1.10 Connectors	30
1.10.1 Rear panel ports	30
1.10.2 Internal connectors	31
1.11 Software support	38
1.11.1 Installing an operating system	38
1.11.2 Support DVD information	38
Chapter 2	39
BIOS information	39
2.1 Managing and updating your BIOS	39
2.1.1 ASUS Update utility	39
2.1.2 ASUS EZ Flash 2 utility	40
2.1.3 ASUS CrashFree BIOS 3 utility	41
2.2 BIOS setup program	42
2.2.1 BIOS menu screen	43
2.2.2 Menu bar	43
2.2.3 Navigation keys	43
2.2.4 Menu items	44
2.2.5 Submenu items	44
2.2.6 Configuration fields	44
2.2.7 Pop-up window	44
2.2.8 Scroll bar	44
2.2.9 General help	44
2.3 Main menu	45
2.3.1 System Time [xx:xx:xx]	45
2.3.2 System Date [Day xx/xx/xxxx]	45
2.3.3 SATA_1~6	45
2.3.4 SATA Configuration	46
2.3.5 System Information	47
2.4 Advanced menu	47
2.4.1 JumperFree Configuration	47
2.4.2 CPU Configuration	50
2.4.3 Chipset	50
2.4.4 Onboard Device Configuration	52
2.4.5 PCIPnP	52
2.4.6 USB Configuration	53
2.5 Power menu	54
2.5.1 Suspend Mode [Auto]	54
2.5.2 ACPI 2.0 Support [Enabled]	54
2.5.3 ACPI APIC Support [Enabled]	54
2.5.4 APM Configuration	54
2.5.5 HW Monitor Configuration	55
2.5.6 Anti Surge Support [Enabled]	55
2.6 Boot menu	56
2.6.1 Boot Device Priority	56
2.6.2 Boot Settings Configuration	56
2.6.3 Security	57
2.7 Tools menu	59
2.7.1 ASUS EZ Flash 2	59
2.7.2 ASUS O.C. Profile	60

Asus M4A78LT-M LX User Guide - Page 48

Processor Frequency Multiplier [Auto], CPU/NB Frequency [Auto], CPU Over Voltage [Auto], GPU

Page 48 highlights