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Chapter 2: BIOS setup

2-15

DCT0:CS/ODT drive strength. [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

DCT0:Address/Command drive strength. [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

DCT0:MEMCLK drive strength. [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DCT0:Data drive strength. [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DCT0:DQS drive strength. [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DCT0:Processor on-die termination [Auto]

Configuration options: [Auto] [300 ohms +/- 20%] [150 ohms +/- 20%] [75 ohms +/- 20%]

The following sub-items appear only when you set the

DCT0/DCT1 Strength Config.

item

to [DCT 1] or [Both].

DCT1:CKE drive strength. [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

DCT1:CS/ODT drive strength. [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

DCT1:Address/Command drive strength. [Auto]

Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]

DCT1:MEMCLK drive strength. [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DCT1:Data drive strength. [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DCT1:DQS drive strength. [Auto]

Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]

DCT1:Processor on-die termination [Auto]

Configuration options: [Auto] [300 ohms +/- 20%] [150 ohms +/- 20%] [75 ohms +/- 20%]

The following eight (8) items are adjusted by typing the desired values using the numeric

keypad and press the <Enter> key. You can also use the <+> and <-> keys to adjust the

value. To restore the default setting, type [auto] using the keyboard and press the <Enter>

key.

2.4.4

Processor Voltage [Auto]

Allows you to set the CPU VCore voltage.

2.4.5

CPU/NB Voltage [Auto]

Allows you to set the voltage between the CPU and Northbridge.

Содержание M4A78 PRO - Motherboard - ATX

Страница 1: ...Motherboard M4A78 PRO ...

Страница 2: ...ICULAR PURPOSE IN NO EVENT SHALL ASUS ITS DIRECTORS OFFICERS EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGES FOR LOSS OF PROFITS LOSS OF BUSINESS LOSS OF USE OR DATA INTERRUPTION OF BUSINESS AND THE LIKE EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT SPECIFICATI...

Страница 3: ...1 5 3 Motherboard layout 1 6 1 5 4 Layout contents 1 6 1 6 Central Processing Unit CPU 1 7 1 6 1 Installing the CPU 1 7 1 6 2 Installing the heatsink and fan 1 8 1 7 System memory 1 10 1 7 1 Overview 1 10 1 7 2 Memory configurations 1 10 1 7 3 Installing a DIMM 1 15 1 7 4 Removing a DIMM 1 15 1 8 Expansion slots 1 16 1 8 1 Installing an expansion card 1 16 1 8 2 Configuring an expansion card 1 16 ...

Страница 4: ...screen 2 7 2 2 2 Menu bar 2 7 2 2 3 Navigation keys 2 8 2 2 4 Menu items 2 8 2 2 5 Submenu items 2 8 2 2 6 Configuration fields 2 8 2 2 7 General help 2 8 2 2 8 Pop up window 2 8 2 2 9 Scroll bar 2 8 2 3 Main menu 2 9 2 3 1 System Time 2 9 2 3 2 System Date 2 9 2 3 3 Legacy Diskette A 2 9 2 3 4 Primary IDE Master Slave 2 9 2 3 5 SATA 1 6 2 10 2 3 6 Storage Configuration 2 11 2 3 7 System Informati...

Страница 5: ...3 Onboard Devices Configuration 2 20 2 5 4 USB Configuration 2 21 2 6 Power menu 2 21 2 6 1 Suspend Mode 2 22 2 6 2 Repost Video on S3 Resume 2 22 2 6 3 ACPI 2 0 Support 2 22 2 6 4 ACPI APIC Support 2 22 2 6 5 APM Configuration 2 22 2 6 6 Hardware Monitor 2 23 2 7 Boot menu 2 24 2 7 1 Boot Device Priority 2 24 2 7 2 Boot Settings Configuration 2 24 2 7 3 Security 2 25 2 8 Tools menu 2 26 2 8 1 ASU...

Страница 6: ...na Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations Changes or modifications to this unit...

Страница 7: ...ler 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 ensure that all cables are correctly connected and the power cables are not damaged If you detect any damage contact your dealer immediately To avoid short circuits keep paper clips screws and staples away from connectors slots sockets a...

Страница 8: ...ardware and software products Refer to the ASUS contact information 2 Optional documentation Your product package may include optional documentation such as warranty flyers that may have been added by your dealer These documents are not part of the standard package Typography Bold text Indicates a menu or an item to select Italics Used to emphasize a word or a phrase Key Keys enclosed in the less ...

Страница 9: ...y Refer to www asus com or this user manual for the Memory QVL Qualified Vendors Lists Due to OS limitation when installing total memory of 4GB capacity or more Windows 32 bit operation system may only recognize less than 3GB Hence a total installed memory of less than 3GB is recommended VGA Integrated ATI Radeon HD 3200 GPU Supports HDMI Technology with max resolution up to 1920 x 1080 1080P Supp...

Страница 10: ...2 0 1 1 ports 8 at mid board 4 on the rear panel ASUS Unique Features ASUS Power Solution ASUS 4 1 Phase Power Design ASUS Anti Surge Protection ASUS Green Design ASUS EPU ASUS AI Nap ASUS Quiet Thermal Solution ASUS Fanless Design Feather heatsink solution ASUS Q Fan 2 ASUS EZ DIY ASUS Express Gate ASUS Q Connector ASUS CrashFree BIOS 3 ASUS O C Profile ASUS EZ Flash 2 Special Features Uses 100 A...

Страница 11: ...ter Recall Rear panel I O ports 1 x PS 2 keyboard port purple 1 x PS 2 mouse port green 1 x S PDIF Out Optical 1 x HDMI Out 1 x D Sub 1 x DVI 1 x LAN RJ 45 4 x USB 2 0 1 1 8 channel audio I O Internal I O connectors 4 x USB connectors support additional 8 USB ports 1 x Floppy disk drive connector 1 x COM connector 1 x IDE connector 6 x SATA connectors 1 x CPU Fan connector 1 x Chassis Fan connecto...

Страница 12: ...US EZ Flash 2 Support DVD contents Drivers Express Gate ASUS PC Probe II ASUS Update AMD OverDrive Utility AOD Anti Virus Utility OEM version Form factor ATX form factor 12 in x 9 6 in 30 5 cm x 24 4 cm Specifications are subject to change without notice M4A78 PRO specifications summary ...

Страница 13: ...ransfer rate up to 5200MT s via HyperTransort 3 0 based system bus This motherboard also supports AMD CPUs in the new 45nm manufacturing process AMD Phenom X4 Phenom X3 Athlon X2 Athlon Sempron processors socket AM2 AM2 The motherboard supports AMD Socket AM2 multi core processors It features dual channel DDR2 1066 memory support data transfer rate up to 5200MT s via HyperTransport 3 0 based syste...

Страница 14: ...o enhance 3D graphics performance Visit www amd com for the Hybrid CrossfireX selected GPUs 1 3 2 Innovative ASUS features ASUS Power Solution ASUS 4 1 Phase Power Design To fully unleash the next generation AM3 CPU s potential ASUS M4A78 PRO motherboard has adopted a brand new 4 phase VRM power design It delivers high power efficiency and supreme overclocking ability Furthermore high quality powe...

Страница 15: ...ey allows the user to turn the PC power button into a physical overclocking button After the easy setup Turbo Key can boost performances without interrupting ongoing work or games with just one touch Other ASUS Features ASUS Express Gate Taking only 5 seconds to bootup Express Gate is the one stop gateway to instant fun It s a unique motherboard built in OS You can utilize the most popular Instant...

Страница 16: ...enever 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 switch off the ATX power supply and detach its power cord Failure to do so may cause severe damage to the motherboard peripherals or components Onboard LED The motherboard comes with a standby power LED that lights up to indicate that the sy...

Страница 17: ...edge with external ports goes to the rear part of the chassis as indicated in the image below 1 5 2 Screw holes Place nine 9 screws into the holes indicated by circles to secure the motherboard to the chassis Do not overtighten the screws Doing so can damage the motherboard Place this side towards the rear of the chassis Chapter 1 Product introduction 1 5 ...

Страница 18: ...or 40 1 pin PRI_IDE 1 24 8 System panel connector 10 1 pin PANEL 1 26 9 Onboard LED SB_PWR 1 4 10 Chassis intrusion connector 4 1 pin CHASSIS 1 22 11 USB device wake up 3 pin USBPW1 4 USBPW5 8 USBPW9 12 1 18 12 USB connectors 10 1 pin USB56 USB78 USB910 USB1112 1 27 13 Clear RTC RAM CLRTC 1 17 14 Floppy disk drive connector 34 1 pin FLOPPY 1 27 15 Digital audio connector 4 1 pin SPDIF_OUT 1 28 16 ...

Страница 19: ... motherboard 2 Press the lever sideways to unlock the socket then lift it up to a 90 100 angle Socket lever Ensure that the socket lever is lifted up to 90 100 angle otherwise the CPU will not fit in completely 3 Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle 4 Carefully insert the CPU into the socket until it fits ...

Страница 20: ...e the heatsink on top of the installed CPU making sure that the heatsink fits properly on the retention module base The retention module base is already installed on the motherboard upon purchase You do not have to remove the retention module base when installing the CPU or installing other motherboard components If you purchased a separate CPU heatsink and fan assembly ensure that a Thermal Inter...

Страница 21: ...d denotes that the retention bracket is in place Ensure that the fan and heatsink assembly perfectly fits the retention mechanism module base otherwise you cannot snap the retention bracket in place 4 Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base 5 When the fan and heatsink assembly is in place connect the CPU fan cable to the con...

Страница 22: ...excess memory from the higher sized channel is then mapped for single channel operation Always install DIMMs with the same CAS latency For optimum compatibility we recommend that you obtain memory modules from the same vendor Due to the memory address limitation on 32 bit Windows OS when you install 4GB or more memory on the motherboard the actual usable memory for the OS can be about 3GB or less ...

Страница 23: ... Kingston KHX8500D2K2 1GN 512MB SS Heat Sink Package N A Kingston Kingston Heat Sink Package 2GB DS KHX8500AD2 2G 7 7 7 20 N A Kingston KHX8500D2K2 2GN 2GB DS Heat Sink Package N A Kingston OCZ OCZ2N1066SR2DK 2GB kit of 2 DS Heat Sink Package EPP 5 5 5 15 OCZ Qimonda HYS64T128000EU 1 9 C2 2GB DS HYB18T1G800C2F 1 9FSS25253 N A Qimonda Transcend TX1066QLU 2GK 2GB kit of 2 SS Heat Sink Package 5 Tran...

Страница 24: ...6400CL5Q 16GNQ 4GB DS Heat Sink Package 5 G SKILL GEIL GB22GB6400C4DC 1GB DS GL2L64M088BA30EB 4 GEIL GEIL GB22GB6400C5DC 1GB DS GL2L64M088BA30EB 5 GEIL GEIL GB24GB6400C4QC 1GB DS GL2L64M088BA30EB 4 GEIL GEIL GB24GB6400C5DC 2GB DS GL2L128M88BA25AB 5 GEIL GEIL GB24GB6400C5QC 1GB DS GL2L64M088BA30EB 5 GEIL GEIL GB28GB6400C4QC 2GB DS GL2L128M88BA25AB 4 GEIL GEIL GB28GB6400C5QC 2GB DS GL2L128M88BA25AB ...

Страница 25: ...OCZ2P800R22GK 1GB DS Heat Sink Package 4 OCZ OCZ OCZ2RPR8002GK 1GB DS Heat Sink Package 4 OCZ OCZ OCZ2VU8004GK 1GB DS Heat Sink Package 6 OCZ PSC AL7E8E63H 10E1K 2GB DS A3R1GE3CFF750RABBP ECC 5 PSC PSC AL8E8F73C 8E1 2GB DS A3R1GE3CFF734MAA0E 5 PSC PSC PL8E8F73C 8E1 2GB DS SHG772 AA3G N A psc PSC PL8E8G73E 8E1 2GB DS XCP271A3G A N A psc Samsung M378T2863QZS CF7 1GB SS K4T1G084QQ HCF7 6 Samsung Sams...

Страница 26: ...L074905PECNB N A Kingston Kingston KVR667D2N5 1G 1GB DS SO1280420822 SOP D6408TR4 CGL25USL156304PECXA N A Kingston Kingston KVR667D2N5 2G 2GB DS 7RE22 D9HNL N A Micron Kingston KVR667D2N5 2G 2GB DS E1108ACBG 8E E 0813A90CC N A Elpida Nanya NT 512T64U88A1BY 3C 512MB SS NT5TU64M8AE 3C N A Nanya Nanya NT1GT64U8HB0BY 3C 1GB DS NT5TU64M8BE 3C72155700CP 5 Nanya PSC AL6E8E63J 6E1 512MB SS A3R12E3JFF717B9...

Страница 27: ...onents Unlocked retaining clip 1 DDR2 DIMM notch 1 Press the retaining clips outward to unlock a DDR2 DIMM socket 2 Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket 2 1 A DDR2 DIMM is keyed with a notch so that it fits in only one direction DO NOT force a DIMM into a socket to avoid damaging the DIMM 3 Firmly insert the DIMM into the socket until the retai...

Страница 28: ...lace 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 software drivers for the expansion card When using PCI cards on shared slots ensure that the drivers supp...

Страница 29: ...ot process and enter BIOS setup to re enter data Except when clearing the RTC RAM never remove the cap on CLRTC jumper default position Removing the cap will cause system boot failure 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 to clear the RTC when the system hangs...

Страница 30: ...tting in the BIOS 3 USB device wake up 3 pin USBPW1 4 USBPW5 8 USBPW9 12 Set these jumpers to 5V to wake up the computer from S1 sleep mode CPU stopped DRAM refreshed system running in low power mode using the connected USB devices Set to 5VSB to wake up from S3 and S4 sleep modes no power to CPU DRAM in slow refresh power supply in reduced power mode The USBPW1 4 jumpers are for the rear USB port...

Страница 31: ...3 and 4 These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 9 USB 2 0 ports 1 and 2 These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 10 8 channel audio ports These ports connects to a multi speaker audio system LAN port SPEED LED ACT LED Activity LED Speed LED Status Description Status Description OFF No link OFF 10...

Страница 32: ...ggest that you follow the system requirements in the suggested list below Suggested list CPU AMD Athlon 4400 DIMM DDR2 800 1GB or higher BIOS setup Frame Buffer Size 256MB or higher Playback software CyberLink PowerDVD 7 3 not supporting video acceleration File format Best resolution Windows XP Windows Vista Non protected clips 1920 x 1080p 1920 x 1080p HD DVD 1920 x 1080p 1280 x 1080p Blu Ray 128...

Страница 33: ...caling Options 5 Move the Underscan Overscan slider to adjust the overall size of the display on the HDMI DTV Using this slider increases or decreases any black borders that may be visible around the outside of the display The Scaling Options function of the DTV HDMI 1 item in the ATI CATALYST Control Center is adjustable only when you are using an HDTV compliance resolution such as 480i 720i or 1...

Страница 34: ...t jumpers DO NOT place jumper caps on the fan connectors Only the CPU_FAN and CHA_FAN1 connectors support the ASUS Q FAN 2 feature 2 Chassis intrusion connector 4 1 pin CHASSIS This connector is for a chassis mounted intrusion detection sensor or switch Connect one end of the chassis intrusion sensor or switch cable to this connector The chassis intrusion sensor or switch sends a high level signal...

Страница 35: ... at least 15 A on 12 V and that the PSU has a minimum power rating of 300 W The system may become unstable or may not boot up if the power is inadequate Do not forget to connect the 4 pin ATX 12 V power plug Otherwise the system will not boot up We recommend that you use a PSU with higher power output when configuring a system with more power consuming devices or when you intend to install additio...

Страница 36: ...r 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 cable for Ultra DMA 133 100 66 IDE de...

Страница 37: ... If you install Serial ATA hard disk drives you can create a RAID 0 RAID 1 RAID 10 and JBOD configuration through the onboard SB700 chipset Important note on Serial ATA Install Windows XP Service Pack 1 or later version before using Serial ATA For detailed instructions on how to configure RAID 0 RAID 1 RAID 10 and JBOD refer to the RAID manual in the support DVD If you intend to create a Serial AT...

Страница 38: ...HDD Activity LED Connect the HDD Activity LED cable to this connector The IDE LED lights up or flashes when data is read from or written to the HDD Power Soft off button 2 pin PWRBTN This 2 pin connector is for the system power button Pressing the power button turns the system ON or puts the system in SLEEP or SOFT OFF mode depending on the BIOS settings Pressing the power switch for more than fou...

Страница 39: ... to the USB connectors Doing so will damage the motherboard The USB 2 0 module is purchased separately 8 Floppy disk drive connector 34 1 pin FLOPPY This connector is for a Floppy Disk Drive FDD signal cable Insert one end of the cable to this connector then connect the other end to the signal connector at the back of the floppy disk drive Pin 5 on the connector is removed to prevent incorrect cab...

Страница 40: ...o receive stereo audio input from sound sources such as a CD ROM TV tuner or MPEG card 10 Digital audio connector 4 1 pin SPDIF_OUT This connector is for an additional Sony Philips Digital Interface S PDIF ports The S PDIF module is purchased separately 1 28 ASUS M4A78 PRO ...

Страница 41: ...tion audio capability If you want to connect a high definition front panel audio module to this connector ensure that the Front Panel Select item in the BIOS is set to HD If you want to connect an AC 97 front panel audio module to this connector set the item to AC97 See page 2 20 for details 12 Serial port connector 10 1 pin COM1 The connector is for a serial COM port Connect the serial port modul...

Страница 42: ...orientation matches the labels on the motherboard 3 The front panel functions are now enabled The figure shows the Q Connector properly installed on the motherboard 1 Connect the front panel cables to the ASUS Q Connector Refer to the labels on the Q Connector to know the detailed pin definitions then match them to the respective front panel cable labels The labels of the front panel cables may di...

Страница 43: ...lications and utilities that you can install to avail all motherboard features 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 For detailed software instructions see the Manual menu in the Support DVD or download the latest software manual from the ASUS website at www asus com To run the Support DVD Place the Suppo...

Страница 44: ...1 32 ASUS M4A78 PRO ...

Страница 45: ...d on your system environment DOS environment a At the DOS prompt type format A S then press Enter Windows XP environment a From the Windows desktop click Start My Computer b Select the 3 1 2 Floppy Drive icon c Click File from the menu then select Format A Format 3 1 2 Floppy window appears d Select Create an MS DOS startup disk from the format options field then click Start Windows Vista environm...

Страница 46: ...OS 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 2 From the dropdown list select any of the updating process Updating from the Internet a Select Update BIOS from the Internet and then click Next b Select the ASUS FTP site nearest you to avoid network traffic or click Auto Select a...

Страница 47: ...V3 34 Current ROM Update ROM A Note FLASH TYPE MXIC 25L8005 PATH A BOARD M4A78 PRO VER 0209 DATE 12 01 2008 BOARD Unknown VER Unknown DATE Unknown Enter Select or Load Tab Switch V Drive Info Up Down Home End Move B Backup ESC Exit b Enter the BIOS setup program Go to the Tools menu to select EZ Flash 2 and press Enter to enable it Press Tab to switch between drives until the correct BIOS file is ...

Страница 48: ... Updating the BIOS file To update the BIOS file using the AFUDOS utility 1 Insert the bootable floppy disk into the floppy disk drive to boot the system in DOS mode 2 Replace the bootable floppy disk and insert the floppy disk that contains the AFUDOS utility and the latest BIOS file Obtain the AFUDOS utility afudos exe from the bundled support DVD and the latest BIOS file from the ASUS website at...

Страница 49: ...S file Bad BIOS checksum Starting BIOS recovery Checking for floppy Floppy found Reading file M4A78PRO ROM Completed Start erasing Recovering the BIOS To recover the BIOS 1 Turn on the system 2 Insert the floppy disk support DVD or USB flash disk containing BIOS file to the disk drive or port 3 The utility displays the following message and automatically checks the floppy disk support DVD or USB f...

Страница 50: ...h to enter Setup after POST reboot the system by doing any of the following procedures Restart using the OS standard shut down procedure 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 Using the power button reset button or the Ctrl Alt Del keys to force reset from a running operating system can cause damage ...

Страница 51: ... in this chapter 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 information v02 61 C Copyright 1985 2008 American Megatrends Inc BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit System Time 10 17 30 System Date Tue 08 27 2008 Legacy Diskette A 1 44M 3 5 in Primary IDE Master N...

Страница 52: ...figurable A configurable field is enclosed in brackets and is highlighted when selected To change the value of a field select it then press Enter to display a list of options Refer to 2 2 8 Pop up window 2 2 7 General help At the top right corner of the menu screen is a brief description of the selected item 2 2 8 Pop up window Select a menu item then press Enter to display a pop up window with th...

Страница 53: ...matic selection of the appropriate IDE device type Select CDROM if you are specifically configuring a CD ROM drive Select ARMD ATAPI Removable Media Device if your device is either a ZIP LS 120 or MO drive Configuration options Not Installed Auto CDROM ARMD 2 3 Main menu When you enter the BIOS Setup program the Main menu screen appears giving you an overview of the basic system information Refer ...

Страница 54: ...nabled 2 3 5 SATA 1 6 While entering Setup the BIOS automatically detects the presence of Serial ATA devices There is a separate submenu for each SATA device Select a device item then press Enter to display the SATA device information The BIOS automatically detects the values opposite the dimmed items Device Vendor Size LBA Mode Block Mode PIO Mode Async DMA Ultra DMA and SMART monitoring These va...

Страница 55: ... If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface AHCI set this item to AHCI The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands When SATA is configured as AHCI in BIOS only SATA port 1 4 can be detected Ens...

Страница 56: ...requency and the relevant parameters will be auto adjusted Frequencies higher than CPU manufacturer recommends are not guaranteed to be stable If the system becomes unstable return to the default 2 4 1 AI Overclocking Auto Allows selection of CPU overclocking options to achieve desired CPU internal frequency Configuration options Manual Auto The following three 3 items appear only when you set the...

Страница 57: ...XOR of Address bit 20 16 6 Allows you to set the channel interleaving mode Configuration options Disabled Address bits 6 Address bits 12 XOR of Address bits 20 16 6 XOR of Address bits 20 16 9 MemClk Tristate C3 ATLVID Disabled Allows you to enable or disable MemClk Tri Stating during C3 and Alt VID Configuration options Disabled Enabled Memory Hole Remapping Enabled Allows you to enable or disabl...

Страница 58: ...uto tWR Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TRRD Auto Configuration options 2 CLK 3 CLK 4 CLK 5 CLK Auto DCT0 2nd Information 5 75 75 tWTR Auto Specifies the write to read delay when accessing the same DIMM Configuration options 1 CLK 2 CLK 3 CLK Auto tRFC0 Auto Configuration options Auto 75ns 105ns 127 5ns 195ns 327 5ns tRFC1 Auto Configuration options Auto 75ns 105ns 127 5ns ...

Страница 59: ... CS ODT drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCT1 Address Command drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCT1 MEMCLK drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCT1 Data drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCT1 DQS drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCT1 Proces...

Страница 60: ... NB 1 8V Voltage Auto Allows you to set the NorthBridge 1 8V voltage The values range from 1 80V to 2 00V with a 0 2V interval 2 4 11 SB Voltage Auto Allows you to set the SouthBridge voltage The values range from 1 20V to 1 35V with a 0 15V interval 2 4 12 CPU Spread Spectrum Enabled Set to Disabled to enhance FSB overclocking ability or Enabled for EMI control Configuration options Disabled Enab...

Страница 61: ...ion that the BIOS automatically detects GART Error Reporting Disabled This option should remain disabled for the normal operation The driver developer may enable it for testing purpose Configuration options Disabled Enabled Microcode Updation Enabled Allows you to enable or disable the microcode updation Configuration options Disabled Enabled Secure Virtual Machine Mode Enabled Allows you to enabl...

Страница 62: ...AM SCRUB REDIRECT Enabled Enables or disables the DRAM SCRUB REDIRECT feature that allows the system to correct the DRAM ECC errors immediately when they occur Configuration options Disabled Enabled 4 Bit ECC Mode Enabled Enables or disables the ECC chip kill feature Configuration options Disabled Enabled DRAM BG SCRUB Disabled Disables or sets the DRAM BG Scrub Configuration options Disabled 40ns...

Страница 63: ...d The values range from 150 to 1000 Surround View Auto If you set the PCI Express device as the primary display and enable this item you may use the internal graphics as the secondary display Configuration options Disabled Auto FB Location Above 4G Configuration options Below 4G Above 4G AMD 780 HD Audio Enable Enables or disables the Northbridge HD audio support Configuration options Disabled Ena...

Страница 64: ... PCI PCI GFX0 GPP IGFX IGFX GFX0 GPP PCI NB Power Management Features Auto Allows you to enable or disable the NorthBridge power management features Configuration options Auto Disable 2 5 3 Onboard Devices Configuration HD Audio Device Enabled Allows you to enable or disable the HD Audio controller Configuration options Disabled Enabled Front Panel Select HD Allows you to set the front panel audio...

Страница 65: ...tions Disabled Enabled Auto USB 2 0 Controller Mode HiSpeed Allows you to configure the USB 2 0 controller in HiSpeed 480 Mbps or Full Speed 12 Mbps Configuration options FullSpeed HiSpeed BIOS EHCI Hand off Enabled Allows you to enable the support for operating systems without an EHCI hand off feature Configuration options Disabled Enabled 2 6 Power menu The Power menu items allow you to change t...

Страница 66: ...ed Enabled 2 6 4 ACPI APIC Support Enabled Allows you to enable or disable the Advanced Configuration and Power Interface ACPI support in the Application Specific Integrated Circuit ASIC When set to Enabled the ACPI APIC table pointer is included in the RSDT pointer list Configuration options Disabled Enabled 2 6 5 APM Configuration Restore on AC Power Loss Disabled When set to Power Off the syste...

Страница 67: ...ou to select the CPU fan type you installed on the motherboard Configuration options PWM Fan DC Fan If you install a PWM 4 pin fan but set this item to DC Fan the fan you installed may not work If you install a DC 3 pin fan but set this item to PWM Fan the CPU Q Fan function will not work and the fan you install will always run at full speed Quiet CPU Fan Mode Silent Allows you to set the appropri...

Страница 68: ... allows you to enable or disable the full screen logo display feature Configuration options Disabled Enabled Set this item to Enabled to use the ASUS MyLogo 2 feature AddOn ROM Display Mode Force BIOS Sets the display mode for option ROM Configuration options Force BIOS Keep Current Bootup Num Lock On Allows you to select the power on state for the NumLock Configuration options Off On Wait for F1 ...

Страница 69: ...word select the Change Supervisor Password then press Enter The message Password Uninstalled appears If you forget your BIOS password you can clear it by erasing the CMOS Real Time Clock RTC RAM See section 1 9 Jumpers for information on how to erase the RTC RAM After you have set a supervisor password the other items appear to allow you to change other security settings User Access Level Full Acc...

Страница 70: ...er Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit Press ENTER to run the utility to select and update BIOS This utility supports 1 FAT 12 16 32 r w 2 NTFS read only 3 CD DISC read only 2 8 1 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2 When you press OK a confirmation message appears Use the left right arrow key to select between Yes or No then press OK to confirm your choice 2 8...

Страница 71: ... 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 You can save eight 8 CMOS profiles Load CMOS Profile Allows you to load the previous BIOS settings saved in the BIOS Flash Press Enter and choose a profile to load Start O C Profile Allows you to run the utility to save...

Страница 72: ...firmation 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 previously saved values Load Setup Defaults This option allows you to load the default values for each of the parameters on the Setup menus When you select this opt...

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