Asus M4A77TD User Manual - Page 54

2-14

Chapter 2: BIOS information

ECC Configuration

ECC Mode [Disabled]

Allows you to set the ECC mode. Configuration options: [Disabled] [Basic] [Good]

[Super] [Max] [User]

2.4.3

Chipset

NorthBridge Configuration

DRAM Controller 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]]

MemClk Tristate C3/ATLVID [Disabled]

Allows you to enable or disable MemClk Tri-Stating during C3 and Alt VID.

Configuration options: [Disabled] [Enabled]

Memory Hole Remapping [Enabled]

Allows you to enable or disable memory remapping around memory hole.


DCT Unganged Mode [Always]

Allows you to select the unganged DRAM mode (64-bit width).

Configuration options: [Auto] [Always]

Power Down Enable [Disabled]

Allows you to enable or disable DDR power down mode.


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.


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]

Section	Page
Notices	6
Safety information	7
About this guide	8
M4A77TD 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	28
1.7.4 Removing a DIMM	28
1.8 Expansion slots	29
1.8.1 Installing an expansion card	29
1.8.2 Configuring an expansion card	29
1.8.3 PCI slots	29
1.8.4 PCI Express x1 slots	29
1.8.5 PCI Express x16 slot	29
1.9 Jumpers	30
1.10 Connectors	31
1.10.1 Rear panel ports	31
1.10.2 Internal connectors	33
1.11 Software support	40
1.11.1 Installing an operating system	40
1.11.2 Support DVD information	40
Chapter 2: BIOS information	41
2.1 Managing and updating your BIOS	41
2.1.1 ASUS Update utility	41
2.1.2 ASUS EZ Flash 2 utility	43
2.1.3 ASUS CrashFree BIOS utility	44
2.2 BIOS setup program	45
2.2.1 BIOS menu screen	46
2.2.2 Menu bar	46
2.2.3 Navigation keys	46
2.2.4 Menu items	47
2.2.5 Submenu items	47
2.2.6 Configuration fields	47
2.2.7 Pop-up window	47
2.2.8 Scroll bar	47
2.2.9 General help	47
2.3 Main menu	48
2.3.1 System Time	48
2.3.2 System Date	48
2.3.3 Primary IDE Master/Slave, SATA 1/2/3/4/5/6	48
2.3.4 SATA Configuration	49
2.3.5 System Information	50
2.4 Advanced menu	50
2.4.1 JumperFree Configuration	50
2.4.2 CPU Configuration	53
2.4.3 Chipset	54
2.4.4 Onboard Device Configuration	55
2.4.5 PCIPnP	55
2.4.6 USB Configuration	56
2.5 Power menu	57
2.5.1 Suspend Mode	57
2.5.2 ACPI 2.0 Support	57
2.5.3 ACPI APIC Support	57
2.5.4 APM Configuration	57
2.5.5 HW Monitor Configuration	58
2.6 Boot menu	59
2.6.1 Boot Device Priority	59
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 M4A77TD User Manual - Page 54

ECC Configuration, NorthBridge Configuration, DRAM Controller Configuration, C1E Configuration [Disabled - 6 core

Page 54 highlights