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Asus P7P55D-E LX, User Manual

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Asus P7P55D-E LX User Manual Download Page 37

ASUS P7P55D-E LX

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6. 

USB connectors (10-1 pin USB910; USB1112; USB1314)

These connectors are for USB 2.0 ports. Connect the USB module cable to any of 
these connectors, then install the module to a slot opening at the back of the system 
chassis. These USB connectors comply with USB 2.0 specification that supports up to 
480 Mbps connection speed.

Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!

7. 

Serial port connector (10-1 pin COM1)

This connector is for a serial (COM) port. Connect the serial port module cable to this 
connector, then install the module to a slot opening at the back of the system chassis.

The COM module is purchased separately.

The USB module is purchased separately.

Summary of Contents for P7P55D-E LX

Page 1: ...Motherboard P7P55D E LX ...

Page 2: ... without intent to infringe E5147 First Edition December 2009 Offer to Provide Source Code of Certain Software This product may contain copyrighted software that is licensed under the General Public License GPL and under the Lesser General Public License Version LGPL The GPL and LGPL licensed code in this product is distributed without any warranty Copies of these licenses are included in this pro...

Page 3: ...entral Processing Unit CPU 1 4 1 6 1 Installing the CPU 1 4 1 6 2 Installing the CPU heatsink and fan 1 7 1 6 3 Uninstalling the CPU heatsink and fan 1 8 1 7 System memory 1 9 1 7 1 Overview 1 9 1 7 2 Memory configurations 1 10 1 8 Expansion slot 1 17 1 8 1 Installing an expansion card 1 17 1 8 2 Configuring an expansion card 1 17 1 8 3 PCI slots 1 17 1 9 Jumper 1 18 1 10 Onboard switches 1 19 1 1...

Page 4: ...rmation 2 9 2 4 Ai Tweaker menu 2 10 2 4 1 CPU Level Up 2 10 2 4 2 Ai Overclock Tuner 2 11 2 4 3 CPU Ratio Setting 2 12 2 4 4 Intel R SpeedStep TM Tech 2 12 2 4 5 Intel R TurboMode Tech 2 12 2 4 6 Xtreme Phase Full Power Mode 2 12 2 4 7 DRAM Frequency 2 12 2 4 8 QPI Frequency 2 12 2 4 9 DRAM Timing Control 2 13 2 4 10 CPU Differential Amplitude 2 14 2 4 11 CPU Clock Skew 2 14 2 4 12 CPU Voltage Mo...

Page 5: ...e 2 20 2 6 2 Repost Video on S3 Resume 2 20 2 6 3 ACPI 2 0 Support 2 20 2 6 4 ACPI APIC Support 2 20 2 6 5 EuP Ready 2 20 2 6 6 APM Configuration 2 21 2 6 7 Hardware Monitor 2 22 2 7 Boot menu 2 23 2 7 1 Boot Device Priority 2 23 2 7 2 Boot Settings Configuration 2 23 2 7 3 Security 2 24 2 8 Tools menu 2 25 2 8 1 ASUS O C Profile 2 25 2 8 2 AI NET 2 2 26 2 8 3 ASUS EZ Flash 2 2 26 2 8 4 Express Ga...

Page 6: ...t from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications This class B digital apparatus complies w...

Page 7: ...your area If you are not sure about the voltage of the electrical outlet you are using contact your local power company If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer Operation safety Before installing the motherboard and adding devices on it carefully read all the manuals that came with the package Before using the product en...

Page 8: ... include optional documentation such as warranty flyers that may have been added by your dealer These documents are not part of the standard package Conventions used in this guide To make sure that you perform certain tasks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when trying to complete a task CAUTION Informat...

Page 9: ...or the Memory QVL Qualified Vendors Lists Expansion Slots 1 x PCI Express 2 0 x 16 slot 4 x PCI Express 2 0 x1 slots 2 5GT s 2 x PCI slots Storage Intel P55 Express Chipset 6 x SATA 3 0 Gb s ports Intel Matrix Storage Technology supporting SATA RAID 0 1 5 and 10 JMicron JMB361 SATA PATA controller 1 x Ultra DMA 133 100 66 for up to 2 PATA devices 1 x eSATA 3 0 Gb s port SATA on the go Marvell PCIe...

Page 10: ... 3 ASUS Fan Xpert ASUS Crystal Sound ASUS Noise Filter ASUS EZ DIY ASUS Q Shield ASUS O C Profile ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS My Logo 2 Multi language BIOS ASUS Exclusive Overclocking Features Precision Tweaker 2 vCore Adjustable CPU voltage at 0 00625V increment vIMC Adjustable IMC at 0 02V increment vDRAM Bus 41 step DRAM voltage control vPCH 23 step chipset voltage control vCPU P...

Page 11: ...TA 3 0Gb s connectors 1 x CPU Fan connector 2 x Chassis Fan connectors 1 x 4 pin 1 x 3 pin 1 x Power Fan connector 1 x COM port connector 1 x Front panel audio connector 1 x S PDIF Out Header 1 x 24 pin ATX Power connector 1 x 8 pin ATX 12V Power connectors 1 x System Panel 1 x MemOK button 1 x IO Level UP button BIOS Features 16 Mb Flash ROM AMI BIOS PnP DMI 2 0 WfM 2 0 SM BIOS 2 5 ACPI 2 0a Mult...

Page 12: ...xii ...

Page 13: ... list below 1 3 Special features 1 3 1 Product highlights Intel LGA1156 Lynnfield Clarkdale Processor Ready This motherboard supports the latest Intel Lynnfield Clarkdale processors in LGA1156 package which has memory and PCI Express controller integrated to support 2 channel 4 DIMMs DDR3 memory and 16 PCI Express 2 0 lanes enabling higher graphics performance Intel Lynnfield Clarkdale processor i...

Page 14: ...s use a grounded wrist strap or touch a safely grounded object or a metal object such as the power supply case to avoid damaging them due to static electricity Hold components by the edges to avoid touching the ICs on them Whenever you uninstall any component place it on a grounded antistatic pad or in the bag that came with the component Before you install or remove any component ensure that the ...

Page 15: ...EATXPWR 8 pin EATX12V 1 22 10 USB connectors 10 1 pin USB910 USB1112 USB1314 1 25 3 DDR3 DIMM slots 1 9 11 IO_LEVELUP switch 1 20 4 CPU chassis and power fan connectors 4 pin CPU_FAN 4 pin CHA_FAN1 3 pin CHA_FAN2 3 pin PWR_FAN 1 22 12 Clear RTC RAM 3 pin CLRTC 1 18 5 MemOK switch 1 19 13 Front panel audio connector 10 1 pin AAFP 1 23 6 JMicron JMB361 IDE Connector 40 1 pin PRI_IDE Blue 1 27 14 Dig...

Page 16: ...shoulder the cost of repair only if the damage is shipment transit related Keep the cap after installing the motherboard ASUS will process Return Merchandise Authorization RMA requests only if the motherboard comes with the cap on the LGA1156 socket The product warranty does not cover damage to the socket contacts resulting from incorrect CPU installation removal or misplacement loss incorrect rem...

Page 17: ...e CPU into the socket to prevent bending the connectors on the socket and damaging the CPU Gold triangle mark Alignment keys CPU notches 5 Position the CPU over the socket ensuring that the gold triangle is on the bottom left corner of the socket and then fit the socket alignment keys into the CPU notches 4 Remove the PnP cap from the CPU socket by lifting the tab only PnP cap Cap tab ...

Page 18: ...etention tab 6 Apply some Thermal Interface Material to the exposed area of the CPU that the heatsink will be in contact with ensuring that it is spread in an even thin layer Some heatsinks come with pre applied thermal paste If so skip this step The Thermal Interface Material is toxic and inedible DO NOT eat it If it gets into your eyes or touches your skin wash it off immediately and seek profes...

Page 19: ...cket is incompatible with the LGA775 and LGA1366 sockets in size and dimension Orient the heatsink and fan assembly such that the CPU fan cable is closest to the CPU fan connector To install the CPU heatsink and fan 1 Place the heatsink on top of the installed CPU making sure that the four fasteners match the holes on the motherboard 2 Push down two fasteners at a time in a diagonal sequence to se...

Page 20: ...lug this connector 1 6 3 Uninstalling the CPU heatsink and fan To uninstall the CPU heatsink and fan 1 Disconnect the CPU fan cable from the connector on the motherboard 2 Rotate each fastener counterclockwise 3 Pull up two fasteners at a time in a diagonal sequence to disengage the heatsink and fan assembly from the motherboard A A B B 4 Carefully remove the heatsink and fan assembly from the mot...

Page 21: ...2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket DDR3 modules are developed for better performance with less power consumption The figure illustrates the location of the DDR3 DIMM sockets Recommended memory configurations One DIMM Install only one memory module in slot A1 or B1 as a single channel operation Four DIMMs dual channel operation Two DIMMs dual channel ope...

Page 22: ...IMMs are supported for one DIMM per channel only According to Intel CPU spec DIMM voltage below 1 65V is recommended to protect the CPU According to Intel CPU spec CPUs with a core frequency of 2 66G support the maximum DIMM frequency of up to DDR3 1333 To use DIMMs of a higher frequency with a 2 66G CPU enable the DRAM O C Profile feature in BIOS Refer to section Ai Overclock Tuner for details Al...

Page 23: ...1F1 2048MB DS MICRON 8ZF22 D9KPV 7 1066 7 7 7 20 MICRON MT16JTF25664AZ 1G1F1 2048MB DS MICRON D9KPT 7 1066 7 7 7 20 MICRON MT18JSF25672AZ 1G1F1 2048MB DS MICRON D9KPT ECC 7 1066 7 7 7 20 SAMSUNG M378B5273BH1 CF8 4096MB DS SAMSUNG K4B2G0846B HCF8 8 7 7 7 20 1 5 Transcend TS256MLK64V1U 2048MB DS ELPIDA J1108BABG AE E 7 1066 7 7 7 20 Asint SLY3128M8 EAE 1024MB SS Asint DDRIII1208 AE 7 7 7 20 Asint SL...

Page 24: ...MB Kit of 3 SS N A Heat Sink Package 9 9 9 1066 7 7 7 20 1 65 OCZ OCZ3P1333LV3GK 3072MB Kit of 3 SS N A Heat Sink Package 7 7 7 1066 7 7 7 16 1 65 OCZ OCZ3P13332GK 1024MB DS N A Heat Sink Package 7 7 7 20 1333 9 9 9 24 OCZ OCZ3P13334GK 4096MB Kit of 2 DS N A Heat Sink Package 7 1333 7 7 7 20 1 8 OCZ OCZ3G1333LV6GK 6144MB Kit of 3 DS N A Heat Sink Package 9 9 9 1066 7 7 7 20 1 65 OCZ OCZ3P1333LV6GK...

Page 25: ...f 3 SS N A Heat Sink Package 1600 8 8 8 20 1 65 KINGSTON KHX12800D3K2 4G 4096MB Kit of 2 DS N A Heat Sink Package 9 1333 9 9 9 24 1 9 KINGSTON KHX12800D3LLK3 6GX XMP 6144MB Kit of 3 DS N A Heat Sink Package 1066 8 8 8 20 1 65 OCZ OCZ3P1600EB1G 1024MB SS N A Heat Sink Package 7 6 6 24 1333 7 7 7 20 OCZ OCZ3G1600LV3GK 3072MB Kit of 3 SS N A Heat Sink Package 8 8 8 1066 7 7 7 20 1 65 OCZ OCZ3P1600LV3...

Page 26: ...400D3K2 2GN EPP 2GB Kit of 2 SS N A Heat Sink Package 1 9 KINGSTON KHX14400D3K3 3GX XMP 3GB Kit of 3 SS N A Heat Sink Package 1800 9 9 9 27 1 65 OCZ OCZ3P18002GK 2GB Kit of 2 SS N A Heat Sink Package 8 OCZ OCZ3P18004GK 4GB Kit of 2 DS N A Heat Sink Package 8 1 9 Transcend TX1800KLU 2GK XMP 2GB Kit of 2 SS N A Heat Sink Package 8 Patriot PVS32G1800LLKN EPP 2GB Kit of 2 SS N A Heat Sink Package 8 8 ...

Page 27: ...S N A Heat Sink Package 9 9 9 24 1866 9 9 9 24 1 65 CORSAIR TR3X6G1866C9D 6GB Kit of 3 DS N A Heat Sink Package 9 9 9 24 1866 9 9 9 24 1 65 KINGSTON KHX14900D3K3 3GX XMP 3GB SS N A Heat Sink Package 9 1333 9 9 9 24 1 65 OCZ OCZ3RPR1866C9LV3GK 3GB Kit of 3 SS N A Heat Sink Package 9 9 9 1066 7 7 7 20 1 65 OCZ OCZ3RPR1866C9LV6GK 6GB Kit of 3 DS N A Heat Sink Package 9 9 9 1066 7 7 7 20 1 65 Super Ta...

Page 28: ...B2GK 2GB Kit of 2 SS N A Heat Sink Package 9 8 8 1066 8 7 7 20 1 8 Gingle 9CAASS37AZZ01D1 2GB DS N A Heat Sink Package 9 9 9 24 Patriot PVS32G2000LLKN 2GB Kit of 2 SS N A Heat Sink Package 9 9 9 24 1066 7 7 7 20 2 Vendor Part No Size SS DS Chip Brand Chip NO Timing Dimm Bios Voltage DIMM socket support Optional A B C G SKILL F3 17066CL9T 6GB T 6GB Kit of 3 DS N A Heat Sink Package 9 9 9 24 1066 8 ...

Page 29: ...pletely seated on the slot 5 Secure the card to the chassis with the screw you removed earlier 6 Replace the system cover 1 8 2 Configuring an expansion card After installing the expansion card configure it by adjusting the software settings 1 Turn on the system and change the necessary BIOS settings if any See Chapter 2 for information on BIOS setup 2 Assign an IRQ to the card 3 Install the softw...

Page 30: ...s 2 3 Keep the cap on pins 2 3 for about 5 10 seconds then move the cap back to pins 1 2 3 Plug the power cord and turn ON the computer 4 Hold down the Del key during the boot process and enter BIOS setup to re enter data If the steps above do not help remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data After the CMOS clearance reinstall the battery You do not need ...

Page 31: ...ce DIMMs during the tuning process the system continues memory tuning after turning on the computer To stop memory tuning turn off the computer and unplog the power cord for about 5 10 seconds If your system fail to boot due to BIOS overclocking press the MemOK switch to boot and load BIOS default settings A messgae will appear during POST reminding you that the BIOS has been restored to its defau...

Page 32: ...e rear panel switch to PCIe Gen 2 mode 500MB s With the green USB3 0 LED light up press the IO Level UP switch and restart the system to light up the blue SATA6G LED The PCIex16_1 slot blue switches to x8 mode and the two gray onboard SATA 6Gb s ports switch to PCIe Gen 2 mode 500MB s You may also switch the speed of the USB 3 0 ports or the SATA 6Gb s ports in BIOS setting Refer to chapter 3 for ...

Page 33: ...rts 3 4 5 and 6 These four 4 pin Universal Serial Bus USB ports connect to USB 2 0 1 1 devices 8 USB 2 0 ports 1 and 2 These two 4 pin Universal Serial Bus USB ports connect to USB 2 0 1 1 devices 9 8 channel audio ports These ports connects to a multi speaker audio system Audio 2 4 6 or 8 channel configuration Port Headset 2 channel 4 channel 6 channel 8 channel Light Blue Line In Line In Line In...

Page 34: ...r supply requirement for your system refer to the Recommended Power Supply Wattage Calculator at http support asus com PowerSupplyCalculator PSCalculator aspx SLanguage en us for details 1 11 2 Internal connectors Do not forget to connect the fan cables to the fan connectors Insufficient air flow inside the system may damage the motherboard components These are not jumpers Do not place jumper caps...

Page 35: ...capability If you want to connect a high definition front panel audio module to this connector set the Front Panel Type item in the BIOS setup to HD Audio If you want to connect an AC 97 front panel audio module to this connector set the item to AC97 By default this connector is set to HD Audio 4 Serial ATA connectors 7 pin SATA1 6 These connectors are for the Serial ATA signal cables for Serial A...

Page 36: ...m power LED 2 pin PLED This 2 pin connector is for the system power LED Connect the chassis power LED cable to this connector The system power LED lights up when you turn on the system power and blinks when the system is in sleep mode Hard disk drive activity LED 2 pin IDE_LED This 2 pin connector is for the HDD Activity LED Connect the HDD Activity LED cable to this connector The IDE LED lights u...

Page 37: ...ctors comply with USB 2 0 specification that supports up to 480 Mbps connection speed Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard 7 Serial port connector 10 1 pin COM1 This connector is for a serial COM port Connect the serial port module cable to this connector then install the module to a slot opening at the back of the system chassis The COM module is p...

Page 38: ...ATA 6 0 Gb s connectors 7 pin SATA_6G_1 2 gray These connectors connect to Serial ATA 6 0 Gb s hard disk drives via Serial ATA 6 0 Gb s signal cables These connectors are set to Standard IDE mode by default In Standard IDE mode you can connect Serial ATA boot data hard disk drives to these connectors You must install Windows XP Service Pack 2 or later versions before using Serial ATA hard disk dri...

Page 39: ...configure your device Drive jumper setting Mode of device s Cable connector Single device Cable Select or Master Black Two devices Cable Select Master Black Slave Gray Master Master Black or gray Slave Slave Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector This prevents incorrect insertion when you connect the IDE cable Use the 80 conductor IDE cabl...

Page 40: ...to locate the root problem within seconds You may disable the POST State LEDs in BIOS Refer to section Boot Settings Configuration for details 2 Standby power LED The motherboard comes with a standby power LED that lights up to indicate that the system is ON in sleep mode or in soft off mode This is a reminder that you should shut down the system and unplug the power cable before removing or plugg...

Page 41: ... Windows XP Service Pack 2 or later versions before installing the drivers for better compatibility and system stability The contents of the support DVD are subject to change at any time without notice Visit the ASUS website at www asus com for updates 1 13 1 Running the support DVD Place the support DVD into the optical drive The DVD automatically displays the Highlights menu if Autorun is enable...

Page 42: ...1 30 Chapter 1 Product introduction ...

Page 43: ...e the support DVD in the optical drive 2 From the Main menu click the Utilities tab and then click Install ASUS Update VX XX XX 3 The ASUS Update utility is copied to your system Quit all Windows applications before you update the BIOS using this utility Updating the BIOS To update the BIOS 1 From the Windows desktop click Start Programs ASUS ASUSUpdate ASUSUpdate to launch the ASUS Update utility...

Page 44: ...S file is found Updating from a BIOS file a Select Update BIOS from a file then click Next b Locate the BIOS file from the Open window then click Open 3 Follow the onscreen instructions to complete the update process The ASUS Update utility is capable of updating itself through the Internet Always update the utility to avail all its features Ensure to load the BIOS default settings to ensure syste...

Page 45: ...rd support DVD may be older than the BIOS file published on the ASUS official website If you want to use the newer BIOS file download the file at support asus com and save it to a USB flash drive Recovering the BIOS To recover the BIOS 1 Turn on the system 2 Insert the motherboard support DVD to the optical drive or the USB flash drive containing the BIOS file to the USB port 3 The utility automat...

Page 46: ...XXXXXXXXXXX USB XXXXXXXXXXXXXXXXX Network XXXXXXXXXXXXX 2 1 4 ASUS BIOS Updater The ASUS BIOS Updater allows you to update BIOS in DOS environment This utility also allows you to copy the current BIOS file that you can use as a backup when the BIOS fails or gets corrupted during the updating process The succeeding utility screens are for reference only The actual utility screen displays may not be...

Page 47: ...D Unknown VER Unknown DATE Unknown BIOS backup is done Press any key to continue D bupdater oOLDBIOS1 rom Filename Extension 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 Enter The filename is any user assi...

Page 48: ...if you have disconnected them Updating the BIOS file To update the BIOS file using BIOS Updater 1 At the FreeDOS prompt type bupdater pc g and press Enter ASUSTek BIOS Updater for DOS V1 00b 09 06 22 Current ROM Update ROM A Note Enter Select or Load Tab Switch V Drive Info Up Down Home End Move B Backup Esc Exit P7P55D ROM 2097152 2009 08 06 17 30 48 FLASH TYPE MXIC 25L1605A PATH A BOARD P7P55D E...

Page 49: ... 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...

Page 50: ...ot previously formatted with LBA mode disabled Configuration options Disabled Auto Block Multi Sector Transfer M Auto Enables or disables data multi sectors transfers When this item is set to Auto the data transfer from and to the device occurs multiple sectors at a time if the device supports multi sector transfer feature When this item is set to Disabled the data transfer from and to the device ...

Page 51: ...vice write protection This will be effective only if the device is accessed through BIOS Configuration option Disabled Enabled IDE Detect Time Out Sec 35 Selects the time out value for detecting ATA ATAPI devices Configuration options 0 5 10 15 20 25 30 35 2 3 3 AHCI Configuration This menu is the section for AHCI configuration It appears only when you set the item Configure SATA as from the sub m...

Page 52: ...it ESC Exit Configure System Performance Settings CPU Level UP Auto Ai Overclock Tuner Auto CPU Ratio Setting Auto Intel R SpeedStep TM Tech Enabled Intel R TurboMode Tech Enabled Xtreme Phase Full Power Mode Auto DRAM Frequency Auto QPI Frequency Auto DRAM Timing Control CPU Differential Amplitude Auto CPU Clock Skew Auto Please key in numbers directly CPU Voltage Mode Offset v02 61 C Copyright 1...

Page 53: ...em appears only when you set the Ai Overclock Tuner item to D O C P and allows you to select a DRAM O C profile which applies different settings to DRAM frequency DRAM timing and DRAM voltage Configuration options DDR3 1800MHz DDR3 1866MHz DDR3 2000MHz DDR3 2133MHz DDR3 2200MHz DRAM Frequency MHz CPU Frequency GHz 2 66 2 8 2 93 1333 Auto Auto Auto 1600 D O C P Auto Auto Above 1600 D O C P D O C P ...

Page 54: ...O C P or X M P BCLK Frequency XXX Allows you to adjust the Internal Base Clock BCLK Use the and keys to adjust the value You can also type the desired value using the numeric keypad The values range from 80 to 500 PCIE Frequency XXX Allows you to set the PCI Express frequency Use the and keys to adjust the PCIE frequency The values range from 100 to 200 2 4 7 DRAM Frequency Auto Allows you to set ...

Page 55: ... DRAM Clock 122 DRAM Clock 126 DRAM Clock 130 DRAM Clock 134 DRAM Clock 138 DRAM Clock 142 DRAM Clock 150 DRAM Clock 160 DRAM Clock 170 DRAM Clock 180 DRAM Clock 190 DRAM Clock 200 DRAM Clock DRAM WRITE Recovery Time Auto Configuration options Auto 1 DRAM Clock 18 DRAM Clock DRAM READ to PRE Time Auto Configuration options Auto 1 DRAM Clock 15 DRAM Clock DRAM FOUR ACT WIN Time Auto Configuration o...

Page 56: ...u to set the Offset voltage The values range from 0 00625V to 0 50000V with a 0 00625V interval Offset Sign This item appears only when you set the Offset Voltage item to a value other than Auto To offset the voltage by a positive value To offset the voltage by a negative value Fixed Voltage Auto This item appears only when you set the CPU Voltage Mode item to Manual and allows you to set a fixed ...

Page 57: ... IMC Voltage 1 10V 1 16V 1 18V 1 22V 1 24V 1 30V 1 32V 1 70V DRAM Voltage 1 20V 1 56V 1 58V 1 62V 1 64V 1 68V 1 70V 2 00V CPU PLL Voltage 1 80V 1 86V 1 88V 1 92V 1 94V 1 98V 2 00V 2 50V PCH Voltage 1 05V 1 19V 1 21V 1 31V 1 33V 1 45V 1 47V 1 49V 2 4 17 Load Line Calibration Auto Auto Automatic configuration Disabled Follow Intel specifications Enabled Improve CPU VDroop directly 2 4 18 CPU Spread ...

Page 58: ...he specific application Disabled Disables this function Adjacent Cache Line Prefetcher Enabled Enabled Enables the Adjacent Cache Line Prefetcher function This item should be enabled in order to enable the L2 cache MLC Spatial Prefetcher for tuning performance of the specific application Disabled Disables this function Be cautious when changing the settings of the Advanced menu items Incorrect fie...

Page 59: ... enabled Active Processor Cores All All Activate all CPU cores in the processor package 1 Activate only 1 CPU core in the processor package 2 Activate 2 CPU cores in the processor package A20M Disabled Enabled Legacy OSes and APs may need this function enabled Disabled Disables this function Intel R SpeedStep TM Tech Enabled Enabled The CPU speed is controlled by the operating system Disabled The ...

Page 60: ...M Disabled This item appears only when you enable the previous item Disabled Disables Realtek LAN Boot ROM Enabled Enables Realtek LAN Boot ROM J Micron eSATA PATA Controller IDE Mode Disabled Disables the J Micron controller IDE Mode Set to IDE Mode when you want to use the Serial ATA hard disk drives as Parallel ATA physical storage devices Serial Port1 Address 3F8 IRQ4 Allows you to select the ...

Page 61: ...vices on legacy operating systems OS Auto Allows the system to detect the presence of USB devices at startup If detected the USB controller legacy mode is enabled If no USB device is detected the legacy USB support is disabled BIOS EHCI Hand off Enabled Disabled Disables the function Enabled Enables the support for operating systems without an EHCI hand off feature 2 5 5 PCIPnP The PCIPnP menu ite...

Page 62: ...to S3 STR Suspend To RAM Auto The system automatically configures the ACPI suspend mode 2 6 2 Repost Video on S3 Resume No Determines whether to invoke VGA BIOS POST on S3 STR resume No The system will not invoke VGA BIOS POST on S3 STR resume Yes The system invokes VGA BIOS POST on S3 STR resume 2 6 3 ACPI 2 0 Support Disabled Disabled When set to Disabled the system will not add additional table...

Page 63: ...ection cannot be made on the first try Turning an external modem off and then back on while the computer is off causes an initialization string that turns the system power on Power On By PCI Devices Disabled Disabled Disables the PME to wake up from S5 by PCI devices Enabled Allows you to turn on the system through a PCI LAN or modem card This feature requires an ATX power supply that provides at ...

Page 64: ...erformance level of the CPU fan Standard Sets to Standard to make the CPU fan automatically adjust depending on the CPU temperature Silent Sets to Silent to minimize the fan speed for quiet CPU fan operation Turbo Set to Turbo to achieve maximum CPU fan speed Manual Set to Manual to assign detailed fan speed control parameters Chassis Q Fan Control Disabled Disabled Disables the Chassis Q Fan cont...

Page 65: ...ull screen logo display feature Set this item to Enabled to use the ASUS MyLogo 2 feature AddOn ROM Display Mode Force BIOS Force BIOS The third party ROM messages will be forced to display during the boot sequence Keep Current The third party ROM messages will be displayed only if the third party manufacturer had set the add on device to do so Bootup Num Lock On Off Sets the power on state of the...

Page 66: ... RAM After you have set a supervisor password the other items appear to allow you to change other security settings User Access Level Full Access This item allows you to select the access restriction to the Setup items No Access Prevents user access to the Setup utility View Only Allows access but does not allow change to any field Limited Allows changes only to selected fields such as Date and Ti...

Page 67: ... you to store or load multiple BIOS settings Add Your CMOS Profile Allows you to save the current BIOS file to the BIOS Flash In the Name sub item type your profile name and press Enter and then choose a profile number to save your CMOS settings in the Save to sub item Load CMOS Profiles Allows you to load the previous BIOS settings saved in the BIOS Flash Press Enter and choose a profile to load ...

Page 68: ...you save the setting to the BIOS so that the user data will be cleared the next time you enter the Express Gate User data includes the Express Gate s settings as well as any personal information stored by the web browser such as bookmarks cookies browsing history This is useful in the rare case where corrupt settings prevent the Express Gate environment from launching properly No Set to No to disa...

Page 69: ... want to save the changes that you made to the Setup program If you made changes to fields other than System Date System Time and Password the BIOS asks for a confirmation before exiting Discard Changes This option allows you to discard the selections you made and restore the previously saved values After selecting this option a confirmation appears Select Ok to discard any changes and load the pr...

Page 70: ...2 28 Chapter 2 BIOS information ...

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