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Asus M4N82 User Guide - Page 43

CPU overvoltage setting 3-pin OV_CPU, Pins 1-2 OV Enabled

UPC - 610839170197

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2. CPU overvoltage setting (3-pin OV_CPU) This jumper allows you to enable or disable the advanced CPU overvoltage setting in BIOS. Read the following information before you change the jumper setting. Set to pins 1-2 to activate the advanced CPU overvoltage feature. Chapter 2 Pins 2-3 (Default) Pins 1-2 (OV Enabled) OV_CPU 0.80V - 1.70V up to 1.90V • Before you change the jumper setting for extra-high overvoltage ability, use the BIOS items introduced in 3.5 Ai Tweaker menu first to adjust the desired CPU performance. Ensure that your system functions well under the highest BIOS voltage setting before you change the setting of this jumper. • Refer to 3.5 Ai Tweaker menu for more information about the CPU overvoltage setting. • DO NOT set the OV_CPU jumper to pins 1-2 when you install a new CPU and have not booted for the first time. Doing so may cause the system to halt. For system failure due to the wrong setting of the OV_CPU jumper, shut down the computer and move the cap back to pins 2-3. • The system may need a better cooling system (for example, a water-cooling system) to work stably under high voltage settings. ASUS M4N82 Deluxe 2-23

Section	Page
Contents	3
Notices	7
Safety information	8
About this guide	9
M4N82 Deluxe specifications summary	11
Chapter 1: Product introduction	15
1.1 Welcome!	15
1.2 Package contents	15
1.3 Special features	16
1.3.1 Product highlights	16
1.3.2 ASUS unique features	17
1.3.3 ASUS intelligent performance and overclocking features	19
Chapter 2: Hardware information	21
2.1 Before you proceed	21
2.2 Motherboard overview	22
2.2.1 Motherboard layout	22
2.2.2 Layout contents	23
2.2.3 Placement direction	24
2.2.4 Screw holes	24
2.3 Central Processing Unit (CPU)	25
2.3.1 Installing the CPU	25
2.3.2 Installing the CPU heatsink and fan	27
2.4 System memory	30
2.4.1 Overview	30
2.4.2 Memory configurations	31
2.4.3 Installing a DIMM	37
2.4.4 Removing a DIMM	37
2.5 Expansion slots	38
2.5.1 Installing an expansion card	38
2.5.2 Configuring an expansion card	38
2.5.3 Interrupt assignments	39
2.5.4 PCI slots	40
2.5.5 PCI Express x1 slot	40
2.5.6 PCI Express 2.0 x16 slots	40
2.6 Jumpers	42
2.7 Connectors	44
2.7.1 Rear panel connectors	44
2.7.2 Audio I/O connections	45
2.7.3 Internal connectors	48
2.7.4 Installing the optional fan	58
2.8 Starting up for the first time	59
2.9 Turning off the computer	59
Chapter 3: BIOS setup	61
3.1 Knowing BIOS	61
3.2 Updating BIOS	61
3.2.1 ASUS Update utility	62
3.2.2 ASUS EZ Flash 2 utility	64
3.2.3 ASUS CrashFree BIOS 3 utility	65
3.3 BIOS setup program	66
3.3.1 BIOS menu screen	66
3.3.2 Menu bar	66
3.3.3 Navigation keys	67
3.3.4 Menu items	67
3.3.5 Submenu items	67
3.3.6 Configuration fields	67
3.3.7 Pop-up window	67
3.3.8 Scroll bar	67
3.3.9 General help	67
3.4 Main menu	68
3.4.1 Primary IDE Master/Slave; SATA 1–4	68
3.4.2 Storage Configuration	70
3.4.3 System Information	71
3.5 Ai Tweaker menu	72
3.5.1 AI Overclocking [Auto]	72
3.5.2 DRAM Frequency Control [Auto]	73
3.5.3 HT Link Speed [Auto]	73
3.5.4 CPU Voltage [Auto]	77
3.5.5 CPU/NB Voltage [Auto]	77
3.5.6 CPU/LDT Spread Spectrum [Disabled]	77
3.5.7 PCIE Spread Spectrum [Disabled]	77
3.5.8 SATA Spread Spectrum [Disabled]	77
3.5.9 PCI Spread Spectrum [Disabled]	78
3.5.10 AI Clock Skew for Channel A/B [Auto]	78
3.6 Advanced menu	79
3.6.1 CPU Configuration	79
3.6.2 Chipset	80
3.6.3 Onboard Devices Configuration	82
3.6.4 PCIPnP	83
3.6.5 USB Configuration	83
3.7 Power menu	85
3.7.1 Suspend Mode [Auto]	85
3.7.2 ACPI 2.0 Support [Disabled]	85
3.7.3 ACPI APIC Support [Enabled]	85
3.7.4 APM Configuration	86
3.7.5 Hardware Monitor	87
3.8 Boot menu	89
3.8.1 Boot Device Priority	89
3.8.2 Boot Settings Configuration	90
3.8.3 Security	91
3.9 Tools menu	93
3.9.1 ASUS EZ Flash 2	93
3.9.2 Express Gate	94
3.9.3 ASUS O.C. Profile	95
3.9.4 AI NET 2	96
3.10 Exit menu	97
Chapter 4: Software support	99
4.1 Installing an operating system	99
4.2 Support DVD information	99
4.2.1 Running the support DVD	99
4.2.2 Obtaining the software manuals	100
4.3 Software information	101
4.3.1 Cool ‘n’ Quiet!™ Technology	101
4.3.2 Audio configurations	102
4.3.3 ASUS PC Probe II	103
4.3.4 ASUS Express Gate	104
4.3.5 ASUS AI Suite	105
4.3.6 ASUS EPU	106
4.3.7 ASUS Q-Fan 2	107
4.3.8 ASUS AI Nap	108
4.3.9 ASUS TurboV	109
4.3.10 ASUS Turbo Key	110
4.4 RAID configurations	111
4.4.1 RAID definitions	111
4.4.2 Installing Serial ATA hard disks	112
4.4.3 Setting the RAID item in BIOS	112
4.4.4 NVIDIA® MediaShield BIOS RAID configurations	113
4.5 Creating a RAID driver disk	119
4.5.1 Creating a RAID driver disk without entering the OS	119
4.5.2 Creating a RAID/SATA driver disk in Windows®	119
Chapter 5: ATI® CrossFireX™ technology support	121
5.1 NVIDIA® SLI™ technology	121
5.1.1 Requirements	121
5.1.2 Installing two SLI-ready graphics cards	122
5.1.3 Installing three SLI-ready graphics cards	123
5.1.4 Installing the device drivers	124
5.1.5 Enabling the NVIDIA® SLI™ technology	124
5.2 NVIDIA® Hybrid SLI® Technology	127
5.2.1 System requirements	127