Asus P7H55 User Manual - Page 44

2-6

ASUS P7H55

Using the

power button

,

reset button

, or the

<Ctrl>+<Alt>+<Del>

keys to force reset from

a running operating system can cause damage to your data or system. We recommend to

always shut down the system properly from the operating system.

•

The default BIOS settings for this motherboard apply for most conditions to ensure

optimum performance. If the system becomes unstable after changing any BIOS

settings, load the default settings to ensure system compatibility and stability. Select the

Load Setups Default

item under the Exit Menu. See section

2.9 Exit Menu

.

•

The BIOS setup screens shown in this section are for reference purposes only, and may

not exactly match what you see on your screen.

•

Visit the ASUS website at www.asus.com to download the latest BIOS file for this

motherboard.

4.

Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS

Updater. Restart your computer.

DO NOT shut down or reset the system while updating the BIOS to prevent system boot

failure!

•

For BIOS Updater version 1.04 or later, the utility automatically exits to the DOS prompt

after updating BIOS.

•

Ensure to load the BIOS default settings to ensure system compatibility and stability.

Select the

Load Setup Defaults

item under the

Exit menu. Refer to section

2.9 Exit

menu

for details.

•

Ensure to connect all SATA hard disk drives after updating the BIOS file if you have

disconnected them.

2.2

BIOS setup program

Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS

screens include navigation keys and brief online help to guide you in using the BIOS Setup

program.

Entering BIOS Setup at startup

To enter BIOS Setup at startup:

•

Press <Delete> during the Power-On Self Test (POST). If you do not press <Delete>,

POST continues with its routines.

Entering BIOS Setup after POST

To enter BIOS Setup after POST:

•

Press

<Ctrl>

+

<Alt>

+

<Del>

simultaneously.

•

Press the reset button on the system chassis.

•

Press the power button to turn the system off then back on. Do this option only if you

failed to enter BIOS Setup using the first two options.

Section	Page
Notices	6
Safety information	7
About this guide	7
P7H55 specifications summary	9
Product introduction	12
1.1 Welcome!	12
1.2 Package contents	12
1.3 Special features	12
1.3.1 Product highlights	12
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	26
1.7.4 Removing a DIMM	26
1.8 Expansion slots	27
1.8.1 Installing an expansion card	27
1.8.2 Configuring an expansion card	27
1.8.3 PCI slots	27
1.8.4 PCI Express x1 slots	27
1.8.5 PCI Express x16 slot	27
1.9 Jumpers	28
1.10 MemOK! switch	30
1.11 Connectors	31
1.11.1 Rear panel connectors	31
1.11.2 Internal connectors	32
1.12 Software support	38
1.12.1 Installing an operating system	38
1.12.2 Support DVD information	38
BIOS information	39
2.1 Managing and updating your BIOS	39
2.1.1 ASUS Update utility	39
2.1.2 ASUS EZ Flash 2	40
2.1.3 ASUS CrashFree BIOS	41
2.1.4 ASUS BIOS Updater	41
2.2 BIOS setup program	44
2.2.1 BIOS menu screen	45
2.2.2 Menu bar	45
2.2.3 Navigation keys	45
2.2.4 Menu items	45
2.2.5 Submenu items	46
2.2.6 Configuration fields	46
2.2.7 Pop-up window	46
2.2.8 Scroll bar	46
2.2.9 General help	46
2.3 Main menu	46
2.3.1 System Time [xx:xx:xx]	47
2.3.2 System Date [Day xx/xx/xxxx]	47
2.3.3 SATA1~6	47
2.3.5 System Information	48
2.3.4 Storage Configuration	48
2.4 Ai Tweaker menu	49
2.4.1 Ai Overclock Tuner [Auto]	49
2.4.2 CPU Ratio Setting [Auto]	50
2.4.3 Intel(R) SpeedStep(TM) Tech [Enabled]	50
2.4.4 Intel(R) TurboMode Tech [Enabled]	50
2.4.5 Xtreme Phase Full Power Mode [Auto]	50
2.4.6 DRAM Timing Control [Auto]	51
2.5 Advanced menu	55
2.5.1 CPU Configuration	55
2.5.2 Uncore Configuration	57
2.5.3 Onboard Devices Configuration	57
2.5.4 USB Configuration	57
2.5.5 PCIPnP	58
2.5.6 Intel VT-d [Disabled]	58
2.6 Power menu	58
2.6.1 Suspend Mode [Auto]	59
2.6.2 ACPI 2.0 Support [Enabled]	59
2.6.3 ACPI APIC Support [Enabled]	59
2.6.4 APM Configuration	59
2.6.5 Hardware Monitor	60
2.7 Boot menu	61
2.7.1 Boot Device Priority	61
2.7.2 Boot Settings Configuration	62
2.7.3 Security	62
2.8 Tools menu	63
2.8.1 ASUS O.C. Profile	64
2.8.2 AI NET 2	64
2.8.3 ASUS EZ Flash 2	64
2.8.4 Express Gate [Auto]	64

Asus P7H55 User Manual - Page 44

BIOS setup program

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