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Asus P8Z68-V LX User Manual - Page 10

SFS Stepless Frequency Selection - z68

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P8Z68-V LX specifications summary Audio USB ASUS unique features ASUS exclusive overclocking features Realtek® ALC887 8-channel High Definition Audio CODEC - Supports Jack-Detection, Multi-streaming and Front Panel Jack-Retasking - Optical S/PDIF out ports at back I/O ASMedia USB 3.0 controller: - 2 x USB 3.0 ports at back panel (blue) Intel® Z68 Express Chipset: - 12 x USB 2.0 ports (8 ports at mid-board, 4 ports at back panel) ASUS Dual Intelligent Processors ASUS EPU - EPU ASUS TPU - Auto Tuning, TurboV, GPU Boost, TPU (GPU Boost) switch ASUS Power Design - Industry leading 4+2 phase Power Design ASUS Exclusive Features - ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface - MemOK! - AI Suite II - AI Charger+ - Anti Surge - Disk Unlocker ASUS Quiet Thermal Solution - ASUS Fanless Design: Heat-sink solution - ASUS Fan Xpert ASUS EZ DIY - ASUS O.C. Tuner - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS Q-Slot Precision Tweaker 2 - vCore: Adjustable CPU voltage at 0.005V increment - vCCIO: Adjustable I/O voltage at 0.005V increment - vDRAM Bus: 255-step Memory voltage control - vPCH: 255-step Chipset voltage control SFS (Stepless Frequency Selection) - BCLK/PCIE frequency tuning from 80MHz up to 300MHz at 0.1MHz increment Overclocking Protection - ASUS C.P.R.(CPU Parameter Recall) (continued on the next page)

Section	Page
Notices	6
Safety information	7
About this guide	8
P8Z68-V LX specifications summary	9
Chapter 1	13
Product introduction	13
1.1 Welcome!	13
1.2 Package contents	13
1.3 Special features	13
1.3.1 Product highlights	13
1.3.2 Innovative ASUS features	16
1.3.3 Intel® Smart Response Technology & LucidLogix® VirtuTM Solution	18
1.4 Before you proceed	21
1.5 Motherboard overview	22
1.5.1 Placement direction	22
1.5.2 Screw holes	22
1.5.3 Motherboard layout	23
1.5.4 Layout contents	23
1.6 Central Processing Unit (CPU)	24
1.6.1 Installing the CPU	24
1.6.2 Installing the CPU heatsink and fan	27
1.6.3 Uninstalling the CPU heatsink and fan	28
1.7 System memory	29
1.7.1 Overview	29
1.7.2 Memory configurations	31
1.7.3 Installing a DIMM	36
1.7.4 Removing a DIMM	36
1.8 Expansion slots	37
1.8.1 Installing an expansion card	37
1.8.2 Configuring an expansion card	37
1.8.3 PCI Express 2.0 x1 slots	37
1.8.4 PCI Express 2.0 x16 slots	37
1.8.5 PCI slots	37
1.9 Jumpers	38
1.10 Connectors	39
1.10.1 Rear panel connectors	39
1.10.2 Internal connectors	41
1.11 Onboard switches	47
1.12 Onboard LEDs	48
1.13 Software support	50
1.13.1 Installing an operating system	50
1.13.2 Support DVD information	50
Chapter 2	51
BIOS information	51
2.1 Managing and updating your BIOS	51
2.1.1 ASUS Update utility	51
2.1.2 ASUS EZ Flash 2	52
2.1.3 ASUS CrashFree BIOS 3 utility	53
2.1.4 ASUS BIOS Updater	54
2.2 BIOS setup program	57
2.3 Main menu	61
2.3.1 System Language [English]	61
2.3.2 System Date [Day xx/xx/xxxx]	61
2.3.3 System Time [xx:xx:xx]	61
2.3.4 Security	61
2.4 Ai Tweaker menu	63
2.4.1 Ai Overclock Tuner [Auto]	64
2.4.2 Turbo Ratio [By All Cores]	64
2.4.3 Internal PLL Overvoltage [Auto]	64
2.4.4 Memory Frequency [Auto]	64
2.4.5 iGPU Max. Frequency [Auto]	64
2.4.6 EPU Power Saving Mode [Disabled]	65
2.4.7 OC Tuner	65
2.4.8 DRAM Timing Control	65
2.4.9 CPU Power Management	65
2.4.10 iGPU Offset Mode Sign [+]	66
2.4.11 DRAM Voltage [Auto]	66
2.4.12 VCCIO Voltage [Auto]	66
2.4.13 PCH Voltage [Auto]	66
2.4.14 Load-Line Calibration [Auto]	67
2.4.15 CPU Spread Spectrum [Auto]	67
2.5 Advanced menu	67
2.5.1 CPU Configuration	68
2.5.2 System Agent Configuration	69
2.5.3 PCH Configuration	69
2.5.4 SATA Configuration	69
2.5.5 USB Configuration	70
2.5.6 Onboard Devices Configuration	70
2.5.7 APM	72
2.6 Monitor menu	73
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	74
2.6.2 CPU / Chassis / Power Fan Speed [xxxx RPM] or [Ignore] / [N/A]	74
2.6.3 CPU Q-Fan Control [Enabled]	74
2.6.4 Chassis Q-Fan Control [Enabled]	75
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	75
2.6.6 Anti Surge Support [Enabled]	75
2.7 Boot menu	76
2.7.1 Bootup NumLock State [On]	76
2.7.2 Full Screen Logo [Enabled]	76
2.7.3 Wait for ‘F1’ If Error [Enabled]	76
2.7.4 Option ROM Messages [Force BIOS]	77
2.7.5 Setup Mode [EZ Mode]	77
2.7.6 Boot Option Priorities	77
2.7.7 Boot Override	77
2.8 Tools menu	78
2.8.1 ASUS EZ Flash Utility	78
2.8.2 ASUS SPD Information	78
2.8.3 ASUS O.C. Profile	78