Asus M4A78L-M User Manual - Page 54

2-12

Chapter 2: BIOS information

Cool ‘n’ Quiet [Enabled]

Enables or disables the AMD

®

Cool ‘n’ Quiet technology. Configuration options: [Enabled]

[Disabled]

CPU Prefetching [Enabled]

Enables or disables CPU prefetching. Configuration options: [Enabled] [Disabled]

C1E Configuration [Disabled]

Enables or disables the CPU Enhanced Halt (C1E) function, a CPU power-saving function

in system halt state. When this item is enabled, the CPU core frequency and voltage will be

reduced during the system halt state to decrease power consumption.

Configuration options: [Disabled] [Enabled]

Advanced Clock Calibration [Disabled]

Adjusts the processor’s overclocking capability. When this item is set to

[Auto]

, the BIOS

automatically adjusts this function. When this item is set to

[All Cores]

, the processor has

the best overclocking performance. When this item is set to

[Per Core]

, the processor’s

overclocking capability is enhanced. Configuration options: [Disabled] [Auto] [All Cores]

[Per Core]

2.4.3

Chipset

NorthBridge Configuration

Memory Configuration

Bank Interleaving [Auto]

Allows you to enable the bank memory interleaving. Configuration options: [Disabled]

[Auto]

Channel Interleaving [XOR of Address bit]

Allows you to enable the channel memory interleaving.

Configuration options: [Disabled] [Address bits 6] [Address bits 12]

[XOR of Address bits [20:16, 6]] [XOR of Address bits [20:16, 9]]

Enable Clock to All DIMMs [Disabled]

Enables unused Clocks to DIMMs even though memory slots are not populated.


MemClk Tristate C3/ATLVID [Disabled]

Enables or disables MemClk Tri-Stating during C3 and Alt VID.


Memory Hole Remapping [Enabled]

Enables or disables memory remapping around memory hole.


DCT Unganged Mode [Always]

Selects the unganged DRAM mode (64-bit width). Configuration options: [Auto]

[Always]

Power Down Enable [Disabled]

Enables or disables DDR power down mode. Configuration options: [Disabled]

[Enabled]

Section	Page
Notices	6
Safety information	7
About this guide	8
M4A78L-M specifications summary	10
Chapter 1: Product introduction	13
1.1 Welcome!	13
1.2 Package contents	13
1.3 Special features	13
1.3.1 Product highlights	13
1.3.2 Innovative ASUS features	15
1.4 Before you proceed	17
1.5 Motherboard overview	18
1.5.1 Placement direction	18
1.5.2 Screw holes	18
1.5.3 Motherboard layout	19
1.5.4 Layout contents	19
1.6 Central Processing Unit (CPU)	20
1.6.1 Installing the CPU	20
1.6.2 Installing the heatsink and fan	22
1.7 System memory	23
1.7.1 Overview	23
1.7.2 Memory configurations	24
1.7.3 Installing a DIMM	29
1.7.4 Removing a DIMM	29
1.8 Expansion slots	30
1.8.1 Installing an expansion card	30
1.8.2 Configuring an expansion card	30
1.8.3 PCI slots	30
1.8.4 PCI Express x1 slot	30
1.8.5 PCI Express x16 slot	30
1.9 Jumpers	31
1.10 Connectors	32
1.10.1 Rear panel ports	32
1.10.2 Internal connectors	34
1.11 Software support	42
1.11.1 Installing an operating system	42
1.11.2 Support DVD information	42
Chapter 2: BIOS information	43
2.1 Managing and updating your BIOS	43
2.1.1 ASUS Update utility	43
2.1.2 ASUS EZ Flash 2 utility	44
2.1.3 ASUS CrashFree BIOS utility	45
2.2 BIOS setup program	46
2.2.1 BIOS menu screen	47
2.2.2 Menu bar	47
2.2.3 Navigation keys	47
2.2.4 Menu items	48
2.2.5 Submenu items	48
2.2.6 Configuration fields	48
2.2.7 Pop-up window	48
2.2.8 Scroll bar	48
2.2.9 General help	48
2.3 Main menu	49
2.3.1 System Time	49
2.3.2 System Date	49
2.3.3 Primary IDE Master/Slave, SATA 1/2/3/4/5/6	49
2.3.4 SATA Configuration	50
2.3.5 System Information	51
2.4 Advanced menu	51
2.4.1 JumperFree Configuration	51
2.4.2 CPU Configuration	53
2.4.3 Chipset	54
2.4.4 Onboard Device Configuration	56
2.4.5 PCIPnP	56
2.4.6 USB Configuration	57
2.5 Power menu	58
2.5.1 Suspend Mode	58
2.5.2 ACPI 2.0 Support	58
2.5.3 ACPI APIC Support	58
2.5.4 APM Configuration	58
2.5.5 HW Monitor Configuration	59
2.5.6 Anti Surge Support	59
2.6 Boot menu	59
2.6.1 Boot Device Priority	60
2.6.2 Boot Settings Configuration	60
2.6.3 Security	61
2.7 Tools menu	62
2.7.1 ASUS EZ Flash 2	63
2.7.2 Express Gate	63
2.7.3 AI NET 2	63

Asus M4A78L-M User Manual - Page 54

Cool 'n' Quiet [Enabled], C1E Configuration [Disabled], NorthBridge Configuration, Memory Configuration - best memory

Page 54 highlights