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Asus P5QC User Manual - Page 84

CPU Ratio Setting [Auto], 3.4.3 FSB Strap to North Bridge [Auto], 3.4.4 DRAM Frequency [Auto] - ddr3 1600

UPC - 610839162864

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3.4.2 CPU Ratio Setting [Auto] Allows you to adjust the ratio between CPU Core Clock and FSB Frequency. Use the and keys to adjust the value. Configuration options: [Auto] [06.0] [07.0] [08.0] FSB/CPU External Frequency Synchronization Front Side Bus FSB 1600 FSB 1333 FSB 1066 CPU External Frequency 400 MHz 333 MHz 266 MHz FSB 800 200 MHz The following two items appear only when you set the Ai Overclock Tuner item to [Manual]. FSB Frequency [XXX] Displays the frequency sent by the clock generator to the system bus and PCI bus. The value of this item is auto-detected by the BIOS. Use the and keys to adjust the FSB frequency. You can also type the desired CPU frequency using the numeric keypad. The values range from 200 to 800. Refer to the table below for the correct Front Side Bus and CPU External Frequency settings. PCIE Frequency [Auto] Allows you to set the PCI Express frequency. Use the and keys to adjust the PCIE frequency. The values range from 100 to 180. 3.4.3 FSB Strap to North Bridge [Auto] When set to [Auto], the FSB Strap will be adjusted automatically by FSB Frequency and DRAM Frequency. Congifuration options: [Auto] [200 MHz] [266 MHz] [333 MHz] [400 MHz] 3.4.4 DRAM Frequency [Auto] Allows you to set the DDR2/DDR3 operating frequency. The configuration options vary depending on the DIMMs you install on the motherboard. (For DDR3 DIMMs) Configuration options: [Auto] [DDR3-533MHz] [DDR3-639MHz] [DDR3-667MHz] [DDR3-709MHz] [DDR3-800MHz] [DDR3-852MHz] [DDR3-887MHz] [DDR3-1066MHz] (For DDR2 DIMMs) Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-889MHz] [DDR2-1066MHz] The DRAM Frequency configuration options vary with the FSB Frequency item settings. Selecting a very high DRAM frequency may cause the system to become unstable! If this happens, revert to the default setting. 3-16 Chapter 3: BIOS setup

Section	Page
Contents	3
Notices	8
Safety information	9
About this guide	10
P5QC 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 unique features	19
1.3.3 ASUS Intelligent Performance and Overclocking features	23
Chapter 2: Hardware information	25
2.1 Before you proceed	27
Onboard LED	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	43
2.4.4 Removing a DIMM	43
2.5 Expansion slots	44
2.5.1 Installing an expansion card	44
2.5.2 Configuring an expansion card	44
2.5.3 Interrupt assignments	45
2.5.4 PCI slots	46
2.5.5 PCI Express x1 slots	46
2.5.6 PCI Express 2.0 x16 slot	46
2.6 Jumpers	47
2.7 Connectors	50
2.7.1 Rear panel connectors	50
2.7.2 Internal connectors	52
2.8 Starting up for the first time	65
2.9 Turning off the computer	66
2.9.1 Using the OS shut down function	66
2.9.2 Using the dual function power switch	66
Chapter 3: BIOS setup	67
3.1 Managing and updating your BIOS	69
3.1.1 ASUS Update utility	69
3.1.2 ASUS EZ Flash 2 utility	72
3.1.3 AFUDOS utility	73
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 Dynamic Write Control [Auto]	86
3.4.8 DRAM Read Training [Auto]	86
3.4.9 DRAM Write Training [Auto]	87
3.4.10 MEM. OC Charger [Auto]	87
3.4.11 Ai Clock Twister [Auto]	87
3.4.12 Ai Transaction Booster [Auto]	87
3.4.13 CPU Voltage [Auto]	87
3.4.14 CPU PLL Voltage [Auto]	88
3.4.15 FSB Termination Voltage [Auto]	88
3.4.16 DRAM Voltage [Auto]	88
3.4.17 NB Voltage [Auto]	88
3.4.18 SB Voltage [Auto]	89
3.4.19 PCIE SATA Voltage [Auto]	89
3.4.20 Load-Line Calibration [Auto]	89
3.4.21 CPU Spread Spectrum [Auto]	89
3.4.22 PCIE Spread Spectrum [Auto]	89
3.5 Advanced menu	90
3.5.1 CPU Configuration	90
3.5.2 Chipset	92
3.5.3 Onboard Device Configuration	93
3.5.4 USB Configuration	94
3.5.5 PCIPnP	95
3.6 Power menu	96
3.6.1 Suspend Mode [Auto]	96
3.6.2 Repost Video on S3 Resume [No]	96
3.6.3 ACPI 2.0 Support [Disabled]	96
3.6.4 ACPI APIC Support [Enabled]	96
3.6.5 APM Configuration	97
3.6.6 Hardware Monitor	98
3.7 Boot menu	100
3.7.1 Boot Device Priority	100
3.7.2 Boot Settings Configuration	101
3.7.3 Security	102
3.8 Tools menu	104
3.8.1 ASUS EZ Flash 2	104
3.8.2 Drive Xpert Control [Auto]	105
3.8.3 Drive Xpert Mode Update [Last setting]	105
3.8.4 Express Gate	106
3.8.5 ASUS O.C. Profile	107
3.8.6 AI NET 2	108
3.9 Exit menu	109
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 MyLogo 2™	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	150
4.3.12 ASUS Express Gate	161
4.4 RAID configurations	171
4.4.1 RAID definitions	171
4.4.2 Installing Serial ATA hard disks	172
4.4.3 Intel® RAID configurations	172
4.5 Creating a RAID driver disk	180
4.5.1 Creating a RAID driver disk without entering the OS	180
4.5.2 Creating a RAID driver disk in Windows®	180
Appendix: CPU features	183
A.1 Intel® EM64T	185
Using the Intel® EM64T feature	185
A.2 Enhanced Intel SpeedStep® Technology (EIST)	185
A.2.1 System requirements	185
A.2.2 Using the EIST	186
A.3 Intel® Hyper-Threading Technology	187