User Manual
Page 4
Contents 1.11 Software support 1-28 1.11.1 Installing an operating system 1-28 1.11.2 Support DVD information 1-28 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update utility 2-1 2.1.2 ASUS EZ Flash 2 utility 2-2 2.1.3 ASUS CrashFree BIOS utility 2-3 2.2 BIOS setup program 2-4 2.2.1 BIOS menu screen 2-5 2.2.2 Menu bar 2-5 2.2.3 Navigation keys 2-5 2.2.4 Menu items 2-6 2.2.5 Submenu items 2-6 2.2.6 Configuration fields 2-6 2.2.7 Pop-up window 2-6 2.2.8 Scroll bar 2-6 2.2.9 General help 2-6 2.3 Main...
Contents 1.11 Software support 1-28 1.11.1 Installing an operating system 1-28 1.11.2 Support DVD information 1-28 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update utility 2-1 2.1.2 ASUS EZ Flash 2 utility 2-2 2.1.3 ASUS CrashFree BIOS utility 2-3 2.2 BIOS setup program 2-4 2.2.1 BIOS menu screen 2-5 2.2.2 Menu bar 2-5 2.2.3 Navigation keys 2-5 2.2.4 Menu items 2-6 2.2.5 Submenu items 2-6 2.2.6 Configuration fields 2-6 2.2.7 Pop-up window 2-6 2.2.8 Scroll bar 2-6 2.2.9 General help 2-6 2.3 Main...
User Manual
Page 7
...retailer. About this guide is broken, do not try to change system settings through the BIOS Setup menus. Detailed descriptions of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to fix it , carefully read all power cables are ... power supply is organized This guide contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the BIOS parameters are using an adapter or extension cord. Do not place the product in your area. How this guide This user guide contains...
...retailer. About this guide is broken, do not try to change system settings through the BIOS Setup menus. Detailed descriptions of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to fix it , carefully read all power cables are ... power supply is organized This guide contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the BIOS parameters are using an adapter or extension cord. Do not place the product in your area. How this guide This user guide contains...
User Manual
Page 10
.... PCIe frequency tuning from 200MHz to 550MHz at 1MHz increment ASUS C.P.R. (CPU Parameter Recall) 2 x Serial ATA cables 1 x Ultra DMA 133/100 cable 1 x I /O connectors BIOS ASUS special features ASUS overclocking features Accessories Support DVD Form factor 3 x USB 2.0/1.1 connectors...BIOS, PnP, DMI2.0, WfM2.0, ACPI2.0a, SM BIOS 2.5 ASUS EPU-4 Engine ASUS Express Gate ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS AI NET2 ASUS MyLogo2 ASUS Turbo Key SFS (Stepless Frequency Selection) - M4N68T specifications summary Internal I /O shield 1 x User Manual Drivers ASUS Update ASUS...
.... PCIe frequency tuning from 200MHz to 550MHz at 1MHz increment ASUS C.P.R. (CPU Parameter Recall) 2 x Serial ATA cables 1 x Ultra DMA 133/100 cable 1 x I /O connectors BIOS ASUS special features ASUS overclocking features Accessories Support DVD Form factor 3 x USB 2.0/1.1 connectors...BIOS, PnP, DMI2.0, WfM2.0, ACPI2.0a, SM BIOS 2.5 ASUS EPU-4 Engine ASUS Express Gate ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS AI NET2 ASUS MyLogo2 ASUS Turbo Key SFS (Stepless Frequency Selection) - M4N68T specifications summary Internal I /O shield 1 x User Manual Drivers ASUS Update ASUS...
User Manual
Page 13
... to turn the PC power button into 256-color boot logos to restore a corrupted BIOS file using the bundled support DVD or a USB flash disk that contains the BIOS file. ASUS M4N68T 1-3 It supports file downloading to the Internet and key applications before entering the Windows...174; OS. • ASUS Express Gate supports installation on the system configuration. • ASUS Express Gate supports file uploading from SATA HDDs...
... to turn the PC power button into 256-color boot logos to restore a corrupted BIOS file using the bundled support DVD or a USB flash disk that contains the BIOS file. ASUS M4N68T 1-3 It supports file downloading to the Internet and key applications before entering the Windows...174; OS. • ASUS Express Gate supports installation on the system configuration. • ASUS Express Gate supports file uploading from SATA HDDs...
User Manual
Page 14
... system hangs due to their default settings. Simply shut down and reboot the system, and the BIOS automatically restores the CPU parameters to overclocking failure. Green ASUS This motherboard and its packaging comply with the ASUS vision of creating environment-friendly and recyclable products/packaging to safeguard consumers' health while minimizing the impact...
... system hangs due to their default settings. Simply shut down and reboot the system, and the BIOS automatically restores the CPU parameters to overclocking failure. Green ASUS This motherboard and its packaging comply with the ASUS vision of creating environment-friendly and recyclable products/packaging to safeguard consumers' health while minimizing the impact...
User Manual
Page 17
...) USBPW1-4 USB34 LAN1_USB12 CPU_FAN CHA_FAN AUDIO Lithium Cell CMOS Power PCIEX1_1 3 RTL 8211CL M4N68T PCIEX16 PCIEX1_2 PCI1 NVIDIA® MCP68 SE Super I/O PCI2 7 SPEAKER 8Mb BIOS VIA VT1708S PCI3 SB_PWR PRI_IDE 8 CLRTC PCI4 9 USBPW5-10 USB56 USB78 USB910 F_PANEL ... 1-27 12. DDR3 DIMM sockets 1-11 14. USB connectors (10-1 pin USB56, USB78, 1-26 USB910) 5. IDE connector (40-1 pin PRI_IDE) 1-23 ASUS M4N68T 1-7 Clear RTC RAM (CLRTC) 1-18 2. System panel connector (10-1 pin F_PANEL) 1-25 ATX12V) 4. Digital audio connector (4-1 pin SPDIF_OUT) 1-27 6. ...
...) USBPW1-4 USB34 LAN1_USB12 CPU_FAN CHA_FAN AUDIO Lithium Cell CMOS Power PCIEX1_1 3 RTL 8211CL M4N68T PCIEX16 PCIEX1_2 PCI1 NVIDIA® MCP68 SE Super I/O PCI2 7 SPEAKER 8Mb BIOS VIA VT1708S PCI3 SB_PWR PRI_IDE 8 CLRTC PCI4 9 USBPW5-10 USB56 USB78 USB910 F_PANEL ... 1-27 12. DDR3 DIMM sockets 1-11 14. USB connectors (10-1 pin USB56, USB78, 1-26 USB910) 5. IDE connector (40-1 pin PRI_IDE) 1-23 ASUS M4N68T 1-7 Clear RTC RAM (CLRTC) 1-18 2. System panel connector (10-1 pin F_PANEL) 1-25 ATX12V) 4. Digital audio connector (4-1 pin SPDIF_OUT) 1-27 6. ...
User Manual
Page 27
... Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. ASUS M4N68T 1-17 Keep the screw for the card. 2. When using PCI cards on BIOS setup. 2. Remove the bracket opposite the slot that came with the slot and press firmly until ... so may need IRQ assignments. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Secure the card to install expansion cards. Replace the system cover. 1.8.2 Configuring an expansion card After installing the expansion...
... Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. ASUS M4N68T 1-17 Keep the screw for the card. 2. When using PCI cards on BIOS setup. 2. Remove the bracket opposite the slot that came with the slot and press firmly until ... so may need IRQ assignments. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Secure the card to install expansion cards. Replace the system cover. 1.8.2 Configuring an expansion card After installing the expansion...
User Manual
Page 28
... the cap on CLRTC jumper default position. Shut down the key during the boot process and enter BIOS setup to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information ...passwords. You can automatically reset parameter settings to pins 1-2. 3. Hold down and reboot the system so the BIOS can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM ...the jumper again to pins 2-3. For system failure due to overclocking. M4N68T CLRTC 12 23 Normal (Default) M4N68T Clear RTC RAM Clear RTC To erase the RTC RAM: 1.
... the cap on CLRTC jumper default position. Shut down the key during the boot process and enter BIOS setup to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup information ...passwords. You can automatically reset parameter settings to pins 1-2. 3. Hold down and reboot the system so the BIOS can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM ...the jumper again to pins 2-3. For system failure due to overclocking. M4N68T CLRTC 12 23 Normal (Default) M4N68T Clear RTC RAM Clear RTC To erase the RTC RAM: 1.
User Manual
Page 29
... slow refresh, power supply in the BIOS. USBPW1-4 12 23 M4N68T +5V +5VSB (Default) USBPW5-10 12 23 +5V +5VSB (Default) M4N68T USB Device Wake Up 3. When you set this jumper to pins 2-3 (+5VSB), you to wake up feature. KBPWR 12 23 +5V +5VSB (Default) M4N68T M4N68T Keyboard Power Setting ASUS M4N68T 1-19 USB device wake-up...
... slow refresh, power supply in the BIOS. USBPW1-4 12 23 M4N68T +5V +5VSB (Default) USBPW5-10 12 23 +5V +5VSB (Default) M4N68T USB Device Wake Up 3. When you set this jumper to pins 2-3 (+5VSB), you to wake up feature. KBPWR 12 23 +5V +5VSB (Default) M4N68T M4N68T Keyboard Power Setting ASUS M4N68T 1-19 USB device wake-up...
User Manual
Page 31
These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 8. ASUS M4N68T 1-21 Front panel audio connector (10-1 pin AAFP) This connector is for pointing devices or other serial devices. 10. Connect one end of the front ... audio capability. • If you want to connect a high definition front panel audio module to this connector, set the Front Panel Select item in the BIOS to this connector. See section 2.4.3 Chipset for a PS/2 keyboard. 1.10.2 Internal connectors 1. 7. USB 2.0 ports 3 and 4. This port is for details. • The front panel audio...
These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 8. ASUS M4N68T 1-21 Front panel audio connector (10-1 pin AAFP) This connector is for pointing devices or other serial devices. 10. Connect one end of the front ... audio capability. • If you want to connect a high definition front panel audio module to this connector, set the Front Panel Select item in the BIOS to this connector. See section 2.4.3 Chipset for a PS/2 keyboard. 1.10.2 Internal connectors 1. 7. USB 2.0 ports 3 and 4. This port is for details. • The front panel audio...
User Manual
Page 39
... following methods: Updating from the Internet, then click Next. Place the support DVD into the optical drive. Click the Utilities tab, then click ASUS Update. 3. Select Update BIOS from the Internet a. c. ASUS M4N68T 2-1 Installing ASUS Update To install ASUS Update: 1. Follow the onscreen instructions to download then click Next. Always update the utility to restore the...
... following methods: Updating from the Internet, then click Next. Place the support DVD into the optical drive. Click the Utilities tab, then click ASUS Update. 3. Select Update BIOS from the Internet a. c. ASUS M4N68T 2-1 Installing ASUS Update To install ASUS Update: 1. Follow the onscreen instructions to download then click Next. Always update the utility to restore the...
User Manual
Page 40
...when done. Select Update BIOS from a BIOS file a. Press to enable it. 2. Follow the onscreen instructions to update the BIOS without using EZ Flash 2: 1. Updating from a file, then click Next. b. Locate the BIOS file from the ASUS website at www.asus.com. To update the BIOS using an OS‑...based utility. ASUSTek EZ Flash 2 BIOS ROM Utility V3.44 FLASH TYPE: MXIC 25L8005 Current ROM BOARD: M4N68T VER: 0201 (H:00 B:01) DATE: 11/16/2009...
...when done. Select Update BIOS from a BIOS file a. Press to enable it. 2. Follow the onscreen instructions to update the BIOS without using EZ Flash 2: 1. Updating from a file, then click Next. b. Locate the BIOS file from the ASUS website at www.asus.com. To update the BIOS using an OS‑...based utility. ASUSTek EZ Flash 2 BIOS ROM Utility V3.44 FLASH TYPE: MXIC 25L8005 Current ROM BOARD: M4N68T VER: 0201 (H:00 B:01) DATE: 11/16/2009...
User Manual
Page 41
...supported. 3. Refer to restore the BIOS file when it on the system. 2. Recovering the BIOS To recover the BIOS: 1. Turn off the system after the utility completes the updating process and turn it fails or gets corrupted during the updating process. ASUS M4N68T 2-3 You can cause system boot ...failure! Download the latest BIOS file from the ASUS website at www.asus.com. • The removable devices that allows you to section 2.8 Exit menu for...
...supported. 3. Refer to restore the BIOS file when it on the system. 2. Recovering the BIOS To recover the BIOS: 1. Turn off the system after the utility completes the updating process and turn it fails or gets corrupted during the updating process. ASUS M4N68T 2-3 You can cause system boot ...failure! Download the latest BIOS file from the ASUS website at www.asus.com. • The removable devices that allows you to section 2.8 Exit menu for...
User Manual
Page 42
...See section 2.8 Exit Menu. • The BIOS setup screens in using the first two options. Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com to guide you in this chapter are for this motherboard. 2-4 Chapter 2: BIOS information Select the Load Setup Defaults item under ...ensure system compatibility and stability. We recommend that you see on . Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS settings, load the default settings to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self-Test (...
...See section 2.8 Exit Menu. • The BIOS setup screens in using the first two options. Entering BIOS Setup at startup To enter BIOS Setup at www.asus.com to guide you in this chapter are for this motherboard. 2-4 Chapter 2: BIOS information Select the Load Setup Defaults item under ...ensure system compatibility and stability. We recommend that you see on . Entering BIOS Setup after POST To enter BIOS Setup after changing any BIOS settings, load the default settings to your screen. • Visit the ASUS website at startup: • Press during the Power-On Self-Test (...
User Manual
Page 43
... power management (APM) configuration Boot For changing the system boot configuration Tools For configuring options for that particular menu. 2.2.1 BIOS menu screen Menu items Menu bar Configuration fields Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Main Settings System Time [19:34:30] System Date [Fri 11/13/2009] IDE Configuration...] :[Not Detected] :[Not Detected] :[Not Detected] System Information General help Use [ENTER], [TAB] or [SHIFT-TAB] to configure system Time. Use [+] or [-] to select a field. ASUS M4N68T 2-5
... power management (APM) configuration Boot For changing the system boot configuration Tools For configuring options for that particular menu. 2.2.1 BIOS menu screen Menu items Menu bar Configuration fields Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Main Settings System Time [19:34:30] System Date [Fri 11/13/2009] IDE Configuration...] :[Not Detected] :[Not Detected] :[Not Detected] System Information General help Use [ENTER], [TAB] or [SHIFT-TAB] to configure system Time. Use [+] or [-] to select a field. ASUS M4N68T 2-5
User Manual
Page 44
...displays the specific items for that is user- Use [+] or [-] to display a list of the selected item. 2-6 Chapter 2: BIOS information Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit v02.58 (C)Copyright 1985-2009, American, American ...a menu item then press to select a field. A configurable field is enclosed in brackets, and is a brief description of options. Main Advanced BIOS SETUP UTILITY Power Boot Tools Exit Suspend Mode ACPI 2.0 Support ACPI APIC support APM Configuration Hardware Monitor [Auto] [Disabled] [EDniOsapabtbilloendesd] Enabled Use ...
...displays the specific items for that is user- Use [+] or [-] to display a list of the selected item. 2-6 Chapter 2: BIOS information Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit v02.58 (C)Copyright 1985-2009, American, American ...a menu item then press to select a field. A configurable field is enclosed in brackets, and is a brief description of options. Main Advanced BIOS SETUP UTILITY Power Boot Tools Exit Suspend Mode ACPI 2.0 Support ACPI APIC support APM Configuration Hardware Monitor [Auto] [Disabled] [EDniOsapabtbilloendesd] Enabled Use ...
User Manual
Page 45
...Screen Select Item +- Onboard IDE Controller [Enabled] Enables or disables the onboard IDE port. Configuration options: [Disabled] [Enabled] ASUS M4N68T 2-7 Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and how to select a field. Change Field Tab Select Field F1 General ...date. 2.3.3 IDE Configuration The IDE Configuration menu allows you an overview of the basic system information. Main Advanced Main Settings Power BIOS SETUP UTILITY Boot Tools Exit System Time [19:34:30] System Date [Fri 11/13/2009] IDE Configuration Primary IDE ...
...Screen Select Item +- Onboard IDE Controller [Enabled] Enables or disables the onboard IDE port. Configuration options: [Disabled] [Enabled] ASUS M4N68T 2-7 Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and how to select a field. Change Field Tab Select Field F1 General ...date. 2.3.3 IDE Configuration The IDE Configuration menu allows you an overview of the basic system information. Main Advanced Main Settings Power BIOS SETUP UTILITY Boot Tools Exit System Time [19:34:30] System Date [Fri 11/13/2009] IDE Configuration Primary IDE ...
User Manual
Page 46
Select a device item then press to the device occurs multiple sectors at a time. 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 ... transfer from and to [Auto] allows automatic selection of the appropriate IDE device type. 2.3.4 Primary IDE Master/Slave, SATA 1/2/3/4 While entering Setup, the BIOS automatically detects the presence of IDE drive. These values are specifically configuring a CD-ROM drive. Select [CDROM] if you are not user-configurable. Configuration options...
Select a device item then press to the device occurs multiple sectors at a time. 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 ... transfer from and to [Auto] allows automatic selection of the appropriate IDE device type. 2.3.4 Primary IDE Master/Slave, SATA 1/2/3/4 While entering Setup, the BIOS automatically detects the presence of IDE drive. These values are specifically configuring a CD-ROM drive. Select [CDROM] if you are not user-configurable. Configuration options...
User Manual
Page 47
... type. Take caution when changing the settings of the general system specifications. Main Advanced Advanced Settings Power BIOS SETUP UTILITY Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Adjust System ... [Auto] Selects the CPU overclocking options to achieve desired CPU internal frequency. BIOS Information Displays the auto-detected BIOS information. Configuration options: [Manual] [Auto] [Standard] [Overclock Profile] ASUS M4N68T 2-9 2.3.5 System Information This menu gives you to malfunction.
... type. Take caution when changing the settings of the general system specifications. Main Advanced Advanced Settings Power BIOS SETUP UTILITY Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Adjust System ... [Auto] Selects the CPU overclocking options to achieve desired CPU internal frequency. BIOS Information Displays the auto-detected BIOS information. Configuration options: [Manual] [Auto] [Standard] [Overclock Profile] ASUS M4N68T 2-9 2.3.5 System Information This menu gives you to malfunction.
User Manual
Page 48
.../NB Frequency [Auto] Sets the CPU/Northbridge frequency. Configuration options: [Auto] VDDNB Over Voltage [Auto] Sets the VDDNB over voltage. Configuration options: [Auto] 2-10 Chapter 2: BIOS information Configuration options: [Min.=200] [Max.=300] The following item only appears when you set PCIE Overclocking to [Overclock Profile]. Configuration options: [Auto] [Overclock 3%] [Overclock...
.../NB Frequency [Auto] Sets the CPU/Northbridge frequency. Configuration options: [Auto] VDDNB Over Voltage [Auto] Sets the VDDNB over voltage. Configuration options: [Auto] 2-10 Chapter 2: BIOS information Configuration options: [Min.=200] [Max.=300] The following item only appears when you set PCIE Overclocking to [Overclock Profile]. Configuration options: [Auto] [Overclock 3%] [Overclock...