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Asus M4N98TD EVO User Manual - Page 68

CPU Ratio [Auto], DRAM Frequency [Auto], CPU/NB Frequency [Auto], HT Link Speed [Auto]

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DRAM O.C. Profile [DDR3-1600MHz] This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and allows you to select a DRAM O.C. profile, which applies different settings to DRAM frequency, DRAM timing and DRAM voltage. Configuration options: [DDR3-1600MHz] [DDR3-1800MHz] [DDR3-1866MHz] [DDR3-2000MHz] Profile Info : xxxxMHz-x-x-x-xx This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and displays the current DRAM profile information. The profile information varies according to the DRAM O.C. Profile you've selected. 3.5.2 CPU Ratio [Auto] Allows you to set the ratio between the CPU Core Clock and the FSB Frequency. Use and to adjust the ratio. The valid value ranges vary according to your CPU model. 3.5.3 DRAM Frequency [Auto] Allows you to set the DDR3 operating frequency. The configuration options vary with the CPU Bus Frequency item settings. 3.5.4 CPU/NB Frequency [Auto] Allows you to select the CPU/NB frequency. Configuration options: [Auto] [1000MHz] [1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz] 3.5.5 HT Link Speed [Auto] Allows you to set the CPU-Chipset HyperTransport link speed. Configuration options: [Auto] [200MHz] [400MHz] [600MHz] [800MHz] [1000MHz] [1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz] 3.5.6 DRAM Timing Configuration The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard. DRAM CAS# Latency [Auto] Configuration options: [Auto] [4 CLK] - [12 CLK] DRAM RAS# to CAS# Delay [Auto] Configuration options: [Auto] [5 CLK] - [12 CLK] DRAM RAS# PRE Time [Auto] Configuration options: [Auto] [5 CLK] - [12 CLK] DRAM RAS# ACT Time [Auto] Configuration options: [Auto] [15 CLK] - [30 CLK] Chapter 3 3-12 Chapter 3: BIOS setup

Section	Page
Contents	3
Notices	7
Safety information	8
About this guide	9
M4N98TD EVO 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
Chapter 2: Hardware information	19
2.1 Before you proceed	19
2.2 Motherboard overview	20
2.2.1 Motherboard layout	20
2.2.2 Layout contents	21
2.2.3 Placement direction	22
2.2.4 Screw holes	22
2.3 Central Processing Unit (CPU)	23
2.3.1 Installing the CPU	23
2.3.2 Installing the CPU heatsink and fan	25
2.4 System memory	28
2.4.1 Overview	28
2.4.2 Memory configurations	29
2.4.3 Installing a DIMM	32
2.4.4 Removing a DIMM	32
2.5 Expansion slots	33
2.5.1 Installing an expansion card	33
2.5.2 Configuring an expansion card	33
2.5.3 Interrupt assignments	34
2.5.4 PCI slots	35
2.5.5 PCI Express x1 slots	35
2.5.6 PCI Express 2.0 x16 slots	35
2.6 Jumpers	36
2.7 Onboard switches	38
2.8 Connectors	40
2.8.1 Rear panel connectors	40
2.8.2 Audio I/O connections	41
2.8.3 Internal connectors	44
2.8.4. ASUS Q-Connector (system panel)	52
2.9 Onboard LEDs	53
2.10 Starting up for the first time	55
2.11 Turning off the computer	55
Chapter 3: BIOS setup	57
3.1 Knowing BIOS	57
3.2 Updating BIOS	57
3.2.1 ASUS Update utility	58
3.2.2 ASUS EZ Flash 2 utility	60
3.2.3 ASUS CrashFree BIOS 3 utility	61
3.3 BIOS setup program	62
3.3.1 BIOS menu screen	62
3.3.2 Menu bar	62
3.3.3 Navigation keys	63
3.3.4 Menu items	63
3.3.5 Submenu items	63
3.3.6 Configuration fields	63
3.3.7 Pop-up window	63
3.3.8 Scroll bar	63
3.3.9 General help	63
3.4 Main menu	64
3.4.1 Primary IDE Master/Slave; SATA 1–4	64
3.4.2 Storage Configuration	66
3.4.3 System Information	66
3.5 Ai Tweaker menu	67
3.5.1 Ai Overclock Tuner [Auto]	67
3.5.6 DRAM Timing Configuration	68
3.5.2 CPU Ratio [Auto]	68
3.5.3 DRAM Frequency [Auto]	68
3.5.4 CPU/NB Frequency [Auto]	68
3.5.5 HT Link Speed [Auto]	68
3.5.7 DRAM Driving Configuration	69
3.5.8 Processor Voltage [Auto]	70
3.5.9 CPU/NB Voltage [Auto]	70
3.5.10 CPU VDDA Voltage [Auto]	70
3.5.11 DRAM Voltage [Auto]	70
3.5.12 HT Voltage [Auto]	70
3.5.13 NB Voltage [Auto]	70
3.5.14 nForce200 Voltage [Auto]	71
3.5.15 CPU/LDT Spread Spectrum [Disabled]	71
3.5.16 PCIE Spread Spectrum [Disabled]	71
3.5.17 SATA Spread Spectrum [Disabled]	71
3.5.18 PCI Spread Spectrum [Disabled]	71
3.6 Advanced menu	72
3.6.1 CPU Configuration	72
3.6.2 Chipset	74
3.6.3 Onboard Devices Configuration	76
3.6.4 PCIPnP	77
3.6.5 USB Configuration	77
3.7 Power menu	78
3.7.1 Suspend Mode [Auto]	78
3.7.2 ACPI 2.0 Support [Enabled]	78
3.7.3 ACPI APIC Support [Enabled]	78
3.7.4 APM Configuration	79
3.7.5 Hardware Monitor	80
3.8 Boot menu	82
3.8.1 Boot Device Priority	82
3.8.2 Boot Settings Configuration	83
3.8.3 Security	84
3.9 Tools menu	86
3.9.1 ASUS EZ Flash 2	86
3.9.2 Express Gate [Auto]	86
3.9.3 ASUS O.C. Profile	87
3.9.4 AI NET 2	88
3.10 Exit menu	89
Chapter 4: Software support	91
4.1 Installing an operating system	91
4.2 Support DVD information	91
4.2.1 Running the support DVD	91
4.2.2 Obtaining the software manuals	92
4.3 Software information	93
4.3.1 ASUS PC Probe II	93
4.3.2 ASUS AI Suite	94
4.3.3 ASUS Fan Xpert	95
4.3.4 ASUS EPU	96
4.3.6 ASUS Express Gate	97
4.3.6 Audio configurations	98
4.3.7 ASUS AI Nap	99
4.3.8 ASUS TurboV	100
4.3.9 ASUS Turbo Key	101
4.4 RAID configurations	102
4.4.1 RAID definitions	102
4.4.2 Installing Serial ATA hard disks	102
4.4.3 Setting the RAID item in BIOS	103
4.4.4 NVIDIA® MediaShield BIOS RAID configurations	103
4.5 Creating a RAID driver disk	107
4.5.1 Creating a RAID driver disk without entering the OS	107
4.5.2 Creating a RAID driver disk in Windows®	107
4.5.3 Installing the RAID driver during Windows® OS installation	108
4.5.4 Using a USB floppy disk drive	108
Chapter 5: NVIDIA® SLI™ technology support	111
5.1 NVIDIA® SLI™ technology	111
5.1.1 Requirements	111
5.1.2 Installing two SLI-ready graphics cards	111
5.1.3 Installing the device drivers	112
5.1.4 Enabling the NVIDIA® SLI™ technology	112