User ManualTable of ContentsNotices6Safety information7About this guide8P8Z68-V LX specifications summary9Chapter 113Product introduction131.1 Welcome!131.2 Package contents131.3 Special features131.3.1 Product highlights131.3.2 Innovative ASUS features161.3.3 Intel® Smart Response Technology & LucidLogix® VirtuTM Solution181.4 Before you proceed211.5 Motherboard overview221.5.1 Placement direction221.5.2 Screw holes221.5.3 Motherboard layout231.5.4 Layout contents231.6 Central Processing Unit (CPU)241.6.1 Installing the CPU241.6.2 Installing the CPU heatsink and fan271.6.3 Uninstalling the CPU heatsink and fan281.7 System memory291.7.1 Overview291.7.2 Memory configurations311.7.3 Installing a DIMM361.7.4 Removing a DIMM361.8 Expansion slots371.8.1 Installing an expansion card371.8.2 Configuring an expansion card371.8.3 PCI Express 2.0 x1 slots371.8.4 PCI Express 2.0 x16 slots371.8.5 PCI slots371.9 Jumpers381.10 Connectors391.10.1 Rear panel connectors391.10.2 Internal connectors411.11 Onboard switches471.12 Onboard LEDs481.13 Software support501.13.1 Installing an operating system501.13.2 Support DVD information50Chapter 251BIOS information512.1 Managing and updating your BIOS512.1.1 ASUS Update utility512.1.2 ASUS EZ Flash 2522.1.3 ASUS CrashFree BIOS 3 utility532.1.4 ASUS BIOS Updater542.2 BIOS setup program572.3 Main menu612.3.1 System Language [English]612.3.2 System Date [Day xx/xx/xxxx]612.3.3 System Time [xx:xx:xx]612.3.4 Security612.4 Ai Tweaker menu632.4.1 Ai Overclock Tuner [Auto]642.4.2 Turbo Ratio [By All Cores]642.4.3 Internal PLL Overvoltage [Auto]642.4.4 Memory Frequency [Auto]642.4.5 iGPU Max. Frequency [Auto]642.4.6 EPU Power Saving Mode [Disabled]652.4.7 OC Tuner652.4.8 DRAM Timing Control652.4.9 CPU Power Management652.4.10 iGPU Offset Mode Sign [+]662.4.11 DRAM Voltage [Auto]662.4.12 VCCIO Voltage [Auto]662.4.13 PCH Voltage [Auto]662.4.14 Load-Line Calibration [Auto]672.4.15 CPU Spread Spectrum [Auto]672.5 Advanced menu672.5.1 CPU Configuration682.5.2 System Agent Configuration692.5.3 PCH Configuration692.5.4 SATA Configuration692.5.5 USB Configuration702.5.6 Onboard Devices Configuration702.5.7 APM722.6 Monitor menu732.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]742.6.2 CPU / Chassis / Power Fan Speed [xxxx RPM] or [Ignore] / [N/A]742.6.3 CPU Q-Fan Control [Enabled]742.6.4 Chassis Q-Fan Control [Enabled]752.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage752.6.6 Anti Surge Support [Enabled]752.7 Boot menu762.7.1 Bootup NumLock State [On]762.7.2 Full Screen Logo [Enabled]762.7.3 Wait for ‘F1’ If Error [Enabled]762.7.4 Option ROM Messages [Force BIOS]772.7.5 Setup Mode [EZ Mode]772.7.6 Boot Option Priorities772.7.7 Boot Override772.8 Tools menu782.8.1 ASUS EZ Flash Utility782.8.2 ASUS SPD Information782.8.3 ASUS O.C. Profile782.9 Exit menu79Size: 5.69 MBPages: 82Language: EnglishOpen manual