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Asus P5Q User Manual - Page 88

DRAM Voltage [Auto], NB Voltage, OV_NB, CPU / Northbridge overvoltage setting, CPU PLL Voltage

UPC - 610839163014

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3.4.14 DRAM Voltage [Auto] Allows you to set the DRAM voltage. The values range from 1.80V to 3.08V with a 0.02V interval. 3.4.15 NB Voltage [Auto] Allows you to set the North Bridge voltage. The values range from 1.10V to 2.20V* with a 0.02V interval. • The value [2.20V] of the NB Voltage item is supported only if the OV_NB jumper is enabled, otherwise the maximum voltage supported is [1.76V]. See 2. CPU / Northbridge overvoltage setting on page 2-21 for details. • Setting the CPU PLL Voltage, FSB Termination Voltage, DRAM Voltage and NB Voltage items to a high level may damage the chipset, memory module and CPU permanently. Proceed with caution. • Some values of the CPU PLL Voltage, FSB Termination Voltage, DRAM Voltage and NB Voltage items are labeled in different color, indicating the risk levels of high voltage settings. Refer to the table below for details. • The system may need better cooling system to work stably under high voltage settings. Blue CPU PLL Voltage 1.50V~1.78V FSB Termination Voltage 1.20V~1.38V DRAM Voltage 1.80V~1.98V NB Voltage 1.10V~1.26V Yellow 1.80V~2.00V 1.40V~1.90V 2.00V~2.20V 1.28V~1.40V Purple 2.02V~2.20V N/A 2.22V~2.40V 1.42V~1.58V Red 2.22V~2.78V N/A 2.42V~3.08V 1.60V~2.20V 3.4.16 SB Voltage [Auto] Allows you to set the South Bridge voltage. The values range from 1.10V to 1.40V with a 0.10V interval. 3.4.17 PCIE SATA Voltage [Auto] Allows you to set the PCI Express SATA voltage. The values range from 1.50V to 1.80V with a 0.10V interval. 3-22 Chapter 3: BIOS setup

Section	Page
Contents	3
Notices	8
Safety information	9
About this guide	10
P5Q specifications summary	12
Chapter 1: Product introduction	15
1.1 Welcome!	17
1.2 Package contents	17
1.3 Special features	18
1.3.1 Product highlights	18
1.3.2 ASUS special features	19
1.3.3 ASUS Exclusive Overclocking Features	23
Chapter 2: Hardware information	25
2.1 Before you proceed	27
2.2 Motherboard overview	28
2.2.1 Motherboard layout	28
2.2.2 Layout contents	29
2.2.3 Placement direction	30
2.2.4 Screw holes	30
2.3 Central Processing Unit (CPU)	31
2.3.1 Installing the CPU	32
2.3.2 Installing the CPU heatsink and fan	35
2.3.3 Uninstalling the CPU heatsink and fan	36
2.4 System memory	37
2.4.1 Overview	37
2.4.2 Memory configurations	38
2.4.3 Installing a DIMM	42
2.4.4 Removing a DIMM	42
2.5 Expansion slots	43
2.5.1 Installing an expansion card	43
2.5.2 Configuring an expansion card	43
2.5.3 Interrupt assignments	44
2.5.4 PCI slots	45
2.5.5 PCI Express x1 slots	45
2.5.6 PCI Express 2.0 x16 slot (blue)	45
2.6 Jumper	46
2.7 Connectors	49
2.7.1 Rear panel connectors	49
2.7.2 Internal connectors	51
2.8 Starting up for the first time	63
2.9 Turning off the computer	64
2.9.1 Using the OS shut down function	64
2.9.2 Using the dual function power switch	64
Chapter 3: BIOS setup	65
3.1 Managing and updating your BIOS	67
3.1.1 ASUS Update utility	67
3.1.2 Creating a bootable floppy disk	70
3.1.3 ASUS EZ Flash 2 utility	71
3.1.4 AFUDOS utility	72
3.1.5 ASUS CrashFree BIOS 3 utility	74
3.2 BIOS setup program	75
3.2.1 BIOS menu screen	76
3.2.2 Menu bar	76
3.2.3 Navigation keys	76
3.2.4 Menu items	77
3.2.5 Sub-menu items	77
3.2.6 Configuration fields	77
3.2.7 Pop-up window	77
3.2.8 Scroll bar	77
3.2.9 General help	77
3.3 Main menu	78
3.3.1 System Time [xx:xx:xx]	78
3.3.2 System Date [Day xx/xx/xxxx]	78
3.3.3 Legacy Diskette A [1.44M, 3.5 in.]	78
3.3.4 Language [English]	78
3.3.5 SATA 1–6	79
3.3.6 Storage Configuration	80
3.3.7 AHCI Configuration	81
3.3.8 System Information	82
3.4 Ai Tweaker menu	83
3.4.1 Ai Overclock Tuner [Auto]	83
3.4.2 CPU Ratio Setting [Auto]	84
3.4.3 FSB Strap to North Bridge [Auto]	84
3.4.4 DRAM Frequency [Auto]	84
3.4.5 DRAM Timing Control [Auto]	85
3.4.6 DRAM Static Read Control [Auto]	86
3.4.7 DRAM Read Training [Auto]	86
3.4.8 MEM. OC Charger [Auto]	86
3.4.9 Ai Clock Twister [Auto]	86
3.4.10 Ai Transaction Booster [Auto]	87
3.4.11 CPU Voltage [Auto]	87
3.4.12 CPU PLL Voltage [Auto]	87
3.4.13 FSB Termination Voltage [Auto]	87
3.4.14 DRAM Voltage [Auto]	88
3.4.15 NB Voltage [Auto]	88
3.4.16 SB Voltage [Auto]	88
3.4.17 PCIE SATA Voltage [Auto]	88
3.4.18 Load-Line Calibration [Auto]	89
3.4.19 CPU Spread Spectrum [Auto]	89
3.4.20 PCIE Spread Spectrum [Auto]	89
3.5 Advanced menu	90
3.5.1 TPM Configuration	90
3.5.2 CPU Configuration	91
3.5.3 Chipset	93
3.5.4 Onboard Devices Configuration	94
3.5.5 USB Configuration	95
3.5.6 PCIPnP	96
3.6 Power menu	97
3.6.1 Suspend Mode [Auto]	97
3.6.2 Repost Video on S3 Resume [No]	97
3.6.3 ACPI 2.0 Support [Disabled]	97
3.6.4 ACPI APIC Support [Enabled]	97
3.6.5 APM Configuration	98
3.6.6 Hardware Monitor	99
3.7 Boot menu	101
3.7.1 Boot Device Priority	101
3.7.2 Boot Settings Configuration	102
3.7.3 Security	103
3.8 Tools menu	105
3.8.1 ASUS EZ Flash 2	105
3.8.2 Drive Xpert Control [Auto]	106
3.8.3 Drive Xpert Mode Update [Last Setting]	106
3.8.4 Express Gate	107
3.8.5 ASUS O.C. Profile	108
3.8.6 AI Net 2	109
3.9 Exit menu	110
Chapter 4: Software support	111
4.1 Installing an operating system	113
4.2 Support DVD information	113
4.2.1 Running the support DVD	113
4.2.2 Drivers menu	114
4.2.3 Utilities menu	115
4.2.4 Make disk menu	117
4.2.5 Manual menu	118
4.2.6 ASUS Contact information	118
4.2.7 Other information	119
4.3 Software information	121
4.3.1 ASUS MyLogo2™	121
4.3.2 AI NET2	123
4.3.3 ASUS PC Probe II	124
4.3.4 ASUS AI Suite	130
4.3.5 ASUS AI Nap	132
4.3.6 ASUS Fan Xpert	133
4.3.7 ASUS AI Booster	135
4.3.8 ASUS EPU-6 Engine	136
4.3.9 ASUS AI Direct Link	140
4.3.10 Audio configurations	142
4.3.11 ASUS Drive Xpert	146
4.3.12 ASUS Express Gate	157
4.4 RAID configurations	167
4.4.1 RAID definitions	167
4.4.2 Installing Serial ATA hard disks	168
4.4.3 Intel® RAID configurations	168
4.5 Creating a RAID driver disk	176
4.5.1 Creating a RAID driver disk without entering the OS	176
4.5.2 Creating a RAID driver disk in Windows®	176
Appendix: CPU features	179
A.1 Intel® EM64T	181
Using the Intel® EM64T feature	181
A.2 Enhanced Intel SpeedStep® Technology (EIST)	181
A.2.1 System requirements	181
A.2.2 Using the EIST	182
A.3 Intel® Hyper-Threading Technology	183