Asus M4N78 User Manual - Page 50

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ASUS M4N78

2.4.2

CPU Configuration

The items in this menu show the CPU-related information that the BIOS automatically

detects.

GART Error Reporting [Disabled]

This option should remain disabled for the normal operation. The driver developer may

enable it for testing purpose. Configuration options: [Disabled] [Enabled]

Microcode Updation [Enabled]

Allows you to enable or disable the microcode updation. Configuration options: [Disabled]

[Enabled]

Secure Virtual Machine Mode [Disabled]

Allows you to enable or disable the AMD Secure Virtual Machine mode. Configuration

options: [Disabled] [Enabled]

Cool ‘n’ Quiet [Enabled]

Allows you to enable or disable the generation of ACPI_PPC, _PSS, and _PCT objects.

Configuration options: [Disabled] [Enabled]

CPU Prefetching [Enabled]

Allows you to enable or disable the CPU Prefetching. Configuration options: [Enabled]

[Disabled]

C1E Configuration [Disabled]

Allows you to enable or disable C1E Dual-Core related CPU power State. Configuration

options: [Disabled] [Enabled]

tRDRD [Auto]

Allows you to specify the Trdrd time. Configuration options: [Auto] [2 CLK]

[3 CLK] [4 CLK] [5 CLK]

tRFC 0/1/2/3 [Auto]

Allows you to specify the Trfc0/1/2/3 time. Configuration options: [Auto] [75ns] [105ns]

[127.5ns] [195ns] [327.5ns]

Memory OverVoltage [Auto]

Allows you to set the Memory Over Voltage. Use +/- to adjust the voltage. The increment is

0.00625V. The standard value is 1.85000V. Configuration options: [Auto] [Min. = 1.85000V]

[Max. = 2.24375V]

Chipset Voltage [Auto]

Allows you to set the chipset voltage. Configuration options: [Auto] [+50mv] [+100mv]

[+150mv]

Section	Page
Notices	6
Safety information	7
About this guide	7
M4N78 specifications summary	9
Chapter 1: 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
Onboard LED	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 slots	27
1.8.4 PCI Express x1 slot	27
1.8.5 PCI Express x16 slot	27
1.9 Jumpers	28
1.10 Connectors	30
1.10.1 Rear panel connectors	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: 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	44
2.2.4 Menu items	44
2.2.5 Submenu items	44
2.2.6 Configuration fields	44
2.2.7 General help	44
2.2.8 Pop-up window	44
2.2.9 Scroll bar	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
2.3.4 Primary IDE Master/Slave, SATA 1~3, and ESATA	45
2.3.5 Storage Configuration	46
2.3.6 System Information	47
2.4 Advanced menu	47
2.4.1 JumperFree Configuration	47
2.4.2 CPU Configuration	50
2.4.3 Chipset	51
2.4.4 Onboard Devices Configuration	52
2.4.5 PCI PnP	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 [Disabled]	54
2.5.3 ACPI APIC Support [Enabled]	54
2.5.4 APM Configuration	54
2.5.5 Hardware Monitor	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	58
2.7.1 ASUS EZ Flash 2	58
2.7.2 Express Gate [Auto]	59
2.7.3 AI NET 2	59

Asus M4N78 User Manual - Page 50

CPU Conﬁguration

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