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Backing up the current BIOS

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Backing up the current BIOS To backup the current BIOS file using the BIOS Updater Ensure that the USB flash drive is not write-protected and has enough free space to save the file. 1. At the FreeDOS prompt, type bupdater /o[filename] and press . D:\>bupdater /oOLDBIOS1.rom Filename Extension The [filename] is any user-assigned filename with no more than eight alphanumeric characters for the filename and three alphanumeric characters for the extension. 2. The BIOS Updater backup screen appears indicating the BIOS backup process. When BIOS backup is done, press any key to return to the DOS prompt. ASUSTek BIOS Updater for DOS V1.18 Current ROM BOARD: P8H77-I VER: 0214 DATE: 12/09/2011 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ BIOS backup is done! Press any key to continue. Note Saving BIOS: ASUS P8H77-I 2-5

Section	Page
Safety information	6
About this guide	7
P8H77-I specifications summary	9
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	16
1.5 Motherboard overview	17
1.5.1 Placement direction	17
1.5.2 Screw holes	17
1.5.3 Motherboard layout	18
1.5.4 Layout contents	18
1.6 Central Processing Unit (CPU)	19
1.6.1 Installing the CPU	19
1.6.2 Installing the CPU heatsink and fan	22
1.6.3 Uninstalling the CPU heatsink and fan	23
1.7 System memory	24
1.7.1 Overview	24
1.7.2 Memory configurations	25
1.7.3 Installing a DIMM	31
1.7.4 Removing a DIMM	31
1.8 Expansion slots	32
1.8.1 Installing an expansion card	32
1.8.2 Configuring an expansion card	32
1.8.3 PCI Express x16 slots	32
1.9 Jumpers	33
1.10 Connectors	34
1.10.1 Rear panel connectors	34
1.10.2 Internal connectors	36
1.11 Software support	42
1.11.1 Installing an operating system	42
1.11.2 Support DVD information	42
Chapter 2	43
BIOS information	43
2.1 Managing and updating your BIOS	43
2.1.1 ASUS Update utility	43
2.1.2 ASUS EZ Flash 2	44
2.1.3 ASUS CrashFree BIOS 3 utility	45
2.1.4 ASUS BIOS Updater	46
2.2 BIOS setup program	49
2.3 Main menu	53
2.3.1 System Language [English]	53
2.3.2 System Date [Day xx/xx/xxxx]	53
2.3.3 System Time [xx:xx:xx]	53
2.3.4 Security	53
2.4 Ai Tweaker menu	55
2.4.1 Memory Frequency [Auto]	56
2.4.2 iGPU Max. Frequency [xxx]	56
2.4.3 GPU Boost [OK]	56
2.4.4 DRAM Timing Control	56
2.4.5 CPU Power Management	56
2.4.6 CPU Voltage [Auto]	57
2.4.7 iGPU Offset Voltage [Auto]	57
2.4.8 DRAM Voltage [Auto]	57
2.4.9 VCCSA Voltage [Auto]	58
2.4.10 PCH Voltage [Auto]	58
2.5 Advanced menu	58
2.5.1 CPU Configuration	59
2.5.2 PCH Configuration	60
2.5.3 SATA Configuration	60
2.5.4 System Agent Configuration	61
2.5.5 USB Configuration	62
2.5.6 Onboard Devices Configuration	62
2.5.7 APM	63
2.5.8 Network Stack	63
2.6 Monitor menu	64
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	65
2.6.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]	65
2.6.3 CPU Q-Fan Control [Enabled]	65
2.6.4 Chassis Q-Fan Control [Enabled]	66
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	66
2.6.6 Anti Surge Support [Enabled]	66
2.7 Boot menu	67
2.7.1 Bootup NumLock State [On]	67
2.7.2 Full Screen Logo [Enabled]	67
2.7.3 Wait for ‘F1’ If Error [Enabled]	67
2.7.4 Option ROM Messages [Force BIOS]	68
2.7.5 Setup Mode [EZ Mode]	68
2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]	68
2.7.7 Boot Option Priorities	68
2.7.8 Boot Override	68
2.8 Tools menu	69
2.8.1 ASUS EZ Flash 2 Utility	69
2.8.2 ASUS O.C. Profile	69
2.8.3 ASUS SPD Information	69