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Asus P7H55D-M PRO User Manual - Page 101

Asus Epu

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4.3.7 ASUS EPU ASUS EPU is an energy-efficient tool that provides you with a total system power-saving solution. It detects the current computer loading and intelligently adjusts the power in real-time. With auto phase switching for components, the EPU automatically provides the most appropriate power usage via intelligent acceleration and overclocking. ASUS EPU provides you with these modes to choose from: • Turbo Mode • Medium Power Saving Mode • High Performance Mode • Max. Power Saving Mode When you select Auto Mode , the system shifts modes automatically according to the current system status. You can also configure advanced settings for each mode. Launching EPU After installing EPU from the motherboard support DVD, double-click the EPU tray icon to launch the program. The first time you launch EPU, the following message will appear, asking you to run Calibration first. Running calibration allows the system to detect CPU properties to optimize power management. Click Run Calibration and wait for a few seconds. Then, the EPU main menu appears. EPU main menu iGPU energy saving status GPU Boost is available only when you install the GPU Boost driver from the support DVD. Displays the following message if no VGA power saving engine is detected. Chapter 4 • EPU supports iGPU power saving solution when you use an Intel® Clarkdale CPU and install the GPU Boost driver from the support DVD. • Refer to the software manual in the support DVD or visit the ASUS website at www.asus.com for detailed software configuration. ASUS P7H55D-M PRO 4-9

Section	Page
Contents	3
Notices	7
Safety information	8
About this guide	9
P7H55D-M PRO specifications summary	11
Chapter 1: Product introduction	15
1.1 Welcome!	15
1.2 Package contents	15
1.3 Special features	16
1.3.1 Product highlights	16
1.3.2 ASUS Overclocking Features	17
1.3.3 ASUS Unique Features	17
1.3.4 ASUS Power Solutions	17
1.3.5 ASUS Quiet Thermal Solutions	18
1.3.6 ASUS Crystal Sound	18
1.3.7 ASUS EZ DIY	18
Chapter 2: Hardware information	21
2.1 Before you proceed	21
2.2 Motherboard overview	22
2.2.1 Motherboard layout	22
2.2.2 Layout contents	23
2.2.3 Placement direction	24
2.2.4 Screw holes	24
2.3 Central Processing Unit (CPU)	25
2.3.1 Installing the CPU	25
2.3.2 Installing the CPU heatsink and fan	28
2.3.3 Uninstalling the CPU heatsink and fan	29
2.4 System memory	30
2.4.1 Overview	30
2.4.2 Memory configurations	31
2.4.3 Installing a DIMM	36
2.4.4 Removing a DIMM	36
2.5 Expansion slots	37
2.5.1 Installing an expansion card	37
2.5.2 Configuring an expansion card	37
2.5.3 Interrupt assignments	38
2.5.4 PCI slots	39
2.5.5 PCI Express 2.0 x1 slot	39
2.5.6 PCI Express 2.0 x16 slot	39
2.6 Jumper	40
2.7 Connectors	41
2.7.1 Rear panel connectors	41
2.7.2 Audio I/O connections	44
2.7.3 Internal connectors	46
2.8 Starting up for the first time	53
2.9 Turning off the computer	53
Chapter 3: BIOS setup	55
3.1 Knowing BIOS	55
3.2 Updating BIOS	55
3.2.1 ASUS Update utility	56
3.2.2 ASUS EZ Flash 2 utility	58
3.2.3 ASUS CrashFree BIOS 3 utility	59
3.2.4 ASUS BIOS Updater	60
3.3 BIOS setup program	63
3.3.1 BIOS menu screen	63
3.3.2 Menu bar	63
3.3.3 Navigation keys	64
3.3.4 Menu items	64
3.3.5 Submenu items	64
3.3.6 Configuration fields	64
3.3.7 Pop-up window	64
3.3.8 Scroll bar	64
3.3.9 General help	64
3.4 Main menu	65
3.4.1 SATA 1–6	65
3.4.2 Storage Configuration	67
3.4.3 System Information	67
3.5 Ai Tweaker menu	68
3.5.1 Ai Overclock Tuner [Auto]	68
3.5.2 CPU Ratio Setting [Auto]	69
3.5.3 Intel(R) SpeedStep(TM) Tech [Enabled]	69
3.5.4 Intel(R) TurboMode Tech [Enabled]	69
3.5.5 Xtreme Phase Full Power Mode [Auto]	70
3.5.6 DRAM Frequency [Auto]	70
3.5.7 QPI Frequency [Auto]	70
3.5.8 DRAM Timing Control	70
3.5.9 CPU Differential Amplitude [Auto]	71
3.5.10 CPU Clock Skew [Auto]	71
3.5.11 CPU Voltage Mode [Offset]	71
3.5.12 IMC Voltage [Auto]	72
3.5.13 DRAM Voltage [Auto]	72
3.5.14 CPU PLL Voltage [Auto]	72
3.5.15 PCH Voltage [Auto]	72
3.5.16 iGPU Voltage [Auto]	72
3.5.17 Load-Line Calibration [Auto]	73
3.5.18 CPU Spread Spectrum [Auto]	73
3.5.19 PCIE Spread Spectrum [Auto]	73
3.6 Advanced menu	74
3.6.1 CPU Configuration	74
3.6.2 Uncore Configuration	76
3.6.3 Onboard Devices Configuration	78
3.6.4 USB Configuration	79
3.6.5 PCIPnP	80
3.6.6 Intel VT-d [Disabled]	80
3.7 Power menu	81
3.7.1 Suspend Mode [Auto]	81
3.7.2 Repost Video on S3 Resume [No]	81
3.7.3 ACPI 2.0 Support [Disabled]	81
3.7.4 ACPI APIC Support [Enabled]	81
3.7.5 EuP Ready [Disabled]	81
3.7.6 APM Configuration	82
3.7.7 Hardware Monitor	83
3.8 Boot menu	85
3.8.1 Boot Device Priority	85
3.8.2 Boot Settings Configuration	86
3.8.3 Security	87
3.9 Tools menu	89
3.9.1 ASUS O.C. Profile	89
3.9.2 AI NET 2	90
3.9.3 ASUS EZ Flash 2	90
3.9.4 Express Gate [Auto]	91
3.10 Exit menu	92
Chapter 4: Software support	93
4.1 Installing an operating system	93
4.2 Support DVD information	93
4.2.1 Running the support DVD	93
4.2.2 Obtaining the software manuals	94
4.3 Software information	95
4.3.1 ASUS PC Probe II	95
4.3.2 ASUS AI Suite	96
4.3.3 ASUS Fan Xpert	97
4.3.4 ASUS TurboV	98
4.3.5 ASUS GPU Boost	99
4.3.6 ASUS Turbo Key	100
4.3.7 ASUS EPU	101
4.3.8 ASUS Express Gate	102