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Table of Contents
Related Manuals for Asus M4A78LT LE
Summary of Contents for Asus M4A78LT LE
- Page 1 M4A78LT M4A78LT LE...
- Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
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Page 3: Table Of Contents
Contents Notices ......................vi Safety information ..................vii About this guide ..................vii M4A78LT Series specifications summar ..........ix Chapter 1: Product introduction Welcome! ..................1-1 Package contents ................. 1-1 Special features ................1-1 1.3.1 Product highlights ............1-1 1.3.2 Innovative ASUS features .......... - Page 4 Chapter 2: BIOS information Managing and updating your BIOS ..........2-1 2.1.1 ASUS Update ..............2-1 2.1.2 ASUS EZ Flash 2 ............2-2 2.1.3 ASUS CrashFree BIOS 3 ..........2-3 BIOS setup program ..............2-4 2.2.1 BIOS menu screen ............2-5 2.2.2...
- Page 5 Boot menu .................. 2-19 2.6.1 Boot Device Priority ............2-19 2.6.2 Boot Settings Configuration .......... 2-19 2.6.3 Security ................. 2-20 Tools menu ................. 2-21 2.7.1 ASUS EZ Flash 2 ............2-21 2.7.2 ASUS O.C. Profile ............2-22 Exit menu ..................2-23...
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Page 6: Notices
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. DO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling. -
Page 7: Safety Information
Safety information Electrical safety • To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device. -
Page 8: Conventions Used In This Guide
Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. -
Page 9: M4A78Lt Series Specifications Summar
Dual-channel memory architecture Due to CPU spec., AMD 100 and 200 series CPUs support ® up to DDR3 1066MHz. With ASUS design, this motherboard can support up to DDR3 1333MHz. ** Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List). - Page 10 M4A78LT Series specifications summary Back panel I/O 1 x LPT port ports 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x LAN (RJ-45) port 4 x USB 2.0/1.1 ports 1 x COM connector 3 x Audio jacks Internal I/O 3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1 ports...
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Page 11: Chapter 1: Product Introduction
Application DVD ASUS motherboard Support DVD Documentation User Manual • M4A78LT Series motherboards include M4A78LT and M4A78LT LE two models. The package contents vary from models. • If any of the items is damaged or missing, contact your retailer. Special features 1.3.1... - Page 12 You can now talk to your partners on the headphone while playing multi- channel network games. 100% All High-quality Conductive Polymer Capacitors (M4A78LT only) This motherboard uses all high-quality conductive polymer capacitors for durability, improved lifespan, and enhanced thermal capacity.
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Page 13: Innovative Asus Features
BIOS file using the bundled support DVD or a USB flash disk that contains the BIOS file. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to update the BIOS from a USB flash disk before entering the OS. ASUS Q-Fan... - Page 14 ErP requires products to meet certain energy efficiency requirements in regards to energy consumptions. This is in line with ASUS vision of creating environment-friendly and energy-efficient products through product design and innovation to reduce carbon footprint of the product and thus mitigate environmental impacts.
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Page 15: Before You Proceed
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 plugging in any motherboard component. The illustration below shows the location of the onboard LED. SB_PWR M4A78LT Series Standby Power Powered Off M4A78LT Series Onboard LED ASUS M4A78LT Series... -
Page 16: Motherboard Overview
Place six 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. M4A78LT Series Chapter 1: Product introduction... -
Page 17: Motherboard Layout
CHA_FAN AUDIO ® RS780L 8111E PCIEX1_1 M4A78LT Series Lithium Cell PCIEX16_1 CMOS Power PCIEX1_2 SATA3G_5 SATA3G_6 Super ® SB710 SATA3G_3 SATA3G_4 PCI1 SATA3G_1 SATA3G_2 PCI2 PRI_IDE BIOS PCI3 SB_PWR USBPW5-10 PANEL SPDIF_OUT AAFP CLRTC USB56 USB78 USB910 ASUS M4A78LT Series... -
Page 18: Layout Contents
CPU into the socket to prevent bending the pins and damaging the CPU! 1.6.1 Installing the CPU To install a CPU: Locate the CPU socket on the motherboard. M4A78LT Series M4A78LT Series CPU socket AM3 Chapter 1: Product introduction... - Page 19 Connect the CPU fan cable to the CPU_FAN connector on the motherboard. CPU_FAN M4A78LT Series M4A78LT Series CPU fan connector DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.
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Page 20: Installing The Heatsink And Fan
1.6.2 Installing the heatsink and fan Ensure that you use only AMD-certified heatsink and fan assembly. To install the CPU heatsink and fan: Place the heatsink on top of the installed CPU, ensuring that the heatsink fits properly on the retention module base. •... -
Page 21: System Memory
The figure illustrates the location of the DDR3 DIMM sockets: Channel Sockets M4A78LT Series Channel A DIMM_A1 and DIMM_A2 Channel B DIMM_B1 and DIMM_B2 M4A78LT Series 240-pin DDR3 DIMM sockets ASUS M4A78LT Series 1-11... -
Page 22: Memory Configurations
• Due to the CPU specification, AMD 100 and 200 series CPUs support up to DDR3 ® 1066MHz. With ASUS design, this motherboard can support up to DDR3 1333MHz. • When overclocking, some AMD CPUs may not support DDR3 1600MHz or higher frequency DIMMs. - Page 23 M2Y2G64CB8HA9N-DG(XMP) • • • Kingtiger KTG2G1600PG3 • • Mushkin 998659(XMP) 6GB(3 x 2GB) 9-9-9-24 • • Mushkin 998659(XMP) 6GB(3 x 2GB) 9-9-9-24 1.5~1.6V • • • PATRIOT PGS34G1600LLKA 4GB(2 x 2GB) 7-7-7-20 1.7V • • • ASUS M4A78LT Series 1-13...
- Page 24 DDR3-1333MHz capability Vendor Part No. Size Chip Chip Voltage DIMM Brand support A* B* A-Data AD31333001GOU A-Data AD30908C8D-151C • • • E0906 A-Data AD31333G001GOU 3GB(3 x 1GB) SS 8-8-8-24 1.65-1.85V • • • A-Data AD31333002GOU A-Data AD30908C8D-151C • • • E0903 Apacer 78.A1GC6.9L1...
- Page 25 • TAKEMS TMS2GB364D081-107EY 7-7-7-20 1.5V • • • TAKEMS TMS2GB364D081-138EY 8-8-8-24 1.5V • • • TAKEMS TMS2GB364D082-138EW 8-8-8-24 1.5V • • • UMAX E41302GP0-73BDB UMAX U2S24D30TP-13 • • • V-Color TD2G16C9-Z8 HYNIX H5TQ1G83AFP • • • ASUS M4A78LT Series 1-15...
- Page 26 • Due to CPU spec., AMD 100 and 200 series CPUs support up to DDR3 1066MHz. With ® ASUS design, this motherboard can support up to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs.
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Page 27: Installing A Dimm
DIMM. Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force. DIMM notch Remove the DIMM from the socket. ASUS M4A78LT Series 1-17... -
Page 28: Expansion Slots
Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. -
Page 29: Jumpers
Normal Clear RTC (Default) M4A78LT Series Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5~10 seconds, then move the cap back to pins 1-2. -
Page 30: Usb Device Wake-Up
USBPW5-8 +5VSB (Default) M4A78LT Series USB Device Wake Up Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard wake-up feature. When you set this jumper to pins 2-3 (+5VSB), you can wake up the computer by pressing a key on the keyboard. -
Page 31: Connectors
Mic In Mic In Bass/Center Bass/Center Lime (Front panel) – – – Side Speaker Out To configure an 8-channel audio output: Use a chassis with HD audio module in the front panel to support 8-channel audio output. ASUS M4A78LT Series 1-21... -
Page 32: Internal Connectors
Legacy AC’97 pin definition compliant definition M4A78LT Series Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard high-definition 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 [HD Audio]. -
Page 33: Atx Power Connectors
The system may become unstable or may not boot up if the power is inadequate. • If you are uncertain about the minimum power 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. ASUS M4A78LT Series... - Page 34 If any device jumper is set as “Cable-Select”, ensure that all other device jumpers have the same setting. PRI_IDE M4A78LT Series PIN1 NOTE:Orient the red markings on the IDE ribbon cable to PIN 1. M4A78LT Series IDE connector 1-24 Chapter 1: Product introduction...
- Page 35 SATA4 SATA1 SATA2 M4A78LT Series M4A78LT Series SATA connectors • Install the Windows XP Service Pack 3 or later versions before using Serial ATA. ® • If you intend to create a SATA RAID set, set the type of the SATA connectors to [RAID] in the BIOS.
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Page 36: System Panel Connector 20-8 Pin Panel
IDE_LED PWRSW RESET * Requires an ATX power supply M4A78LT Series System panel connector • System 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. -
Page 37: Usb Connectors
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. M4A78LT Series SPDIF_OUT M4A78LT Series Digital audio connector Ensure that the audio device of Sound playback is Realtek High Definition Audio (the name may be different based on the OS). Go to Start > Control Panel > Sounds and Audio Devices >... - Page 38 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 on the fan connectors. Only the 4-pin CPU fan supports the ASUS Q-Fan feature. 1-28 Chapter 1: Product introduction...
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Page 39: Software Support
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. To run the Support DVD Place the Support DVD into the optical drive. - Page 40 1-30 Chapter 1: Product introduction...
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Page 41: Chapter 2: Bios Information
BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows environment. ®... -
Page 42: Asus Ez Flash 2
Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com. -
Page 43: Asus Crashfree Bios 3
2.1.3 ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the BIOS file. -
Page 44: Bios Setup Program
• The BIOS setup screens in this chapter are for reference only. They 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. Chapter 2: BIOS information... -
Page 45: Bios Menu Screen
2.2.1 BIOS menu screen Menu items Menu bar Configuration fields General help M4A78LT BIOS Setup Version 0307 Main Advanced Power Boot Tools Exit Main Settings Use [ENTER], [TAB] System Time [16:34:30] or [SHIFT-TAB] to System Date [Tue 01/11/2011] select a field. -
Page 46: Menu Items
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 2.2.7 Pop-up window. 2.2.7 Pop-up window M4A78LT BIOS Setup Version 0307 Main Advanced Power... -
Page 47: Main Menu
When you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system information. Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and how to navigate through them. M4A78LT BIOS Setup Version 0307 Main Advanced... - Page 48 2.3.3 Primary IDE Master/Slave, SATA 1/2/3/4/5/6 While entering Setup, the BIOS automatically detects the presence of IDE/SATA devices. There is a separate submenu for each IDE/SATA device. Select a device item then press <Enter> to display the IDE/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).
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Page 49: System Information
The Advanced menu items allow you to change the settings for the CPU and other system devices. Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. M4A78LT BIOS Setup Version 0307 Main Advanced... - Page 50 The following item only appears when you set CPU Overclocking to [Manual]. CPU/HT Reference Clock (MHz) [200] Sets the CPU/HT Reference Clock. Configuration options: [Min.=200] [Max.=550] The following item only appears when you set CPU Overclocking to [Overclock Profile]. Overclock Options [Auto] Selects the overclocking profile.
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Page 51: Dram Timing Configuration
Configuration options: [Auto] [5 CLK] – [12 CLK] DRAM RAS# ACT Time [Auto] Configuration options: [Auto] [15 CLK] – [30 CLK] DRAM READ to PRE Time [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] ASUS M4A78LT Series 2-11... -
Page 52: Cpu Configuration
DRAM Row Cycle Time [Auto] Configuration options: [Auto] [11 CLK] – [41 CLK] DRAM WRITE Recovery Time [Auto] Configuration options: [Auto] [5 CLK] [6 CLK] [7 CLK] [8 CLK] [10 CLK] [12 CLK] DRAM RAS# to RAS# Delay [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] DRAM READ to WRITE Delay [Auto] Configuration options: [Auto] [3 CLK] –... -
Page 53: Chipset
DCT Unganged Mode [Always] Allows you to select the unganged DRAM mode (64-bit width). Configuration options: [Auto] [Always] Power Down Enable [Disabled] Allows you to enable or disable DDR power down mode. Configuration options: [Disabled] [Enabled] ASUS M4A78LT Series 2-13... -
Page 54: Ecc Configuration
ECC Configuration ECC Mode [Disabled] Enables or disables the DRAM ECC that allows the hardware to report and correct memory errors automatically. Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User] Internal Graphics Primary Video Controller [GFX0-GPP-PCI] Selects the primary display adapter. Configuration options: [GFX0-GPP-PCI] [GPP-GFX0- PCI] [PCI-GFX0-GPP] GFX0: primary video controller on a PCIe x16 slot GPP: primary video controller on a PCIe x1 slot... -
Page 55: Onboard Device Configuration
When this item is set to [No], BIOS configures all the devices in the system. When this item is set to [Yes] and if you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for boot. Configuration options: [No] [Yes] ASUS M4A78LT Series 2-15... -
Page 56: Usb Configuration
2.4.6 USB Configuration The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options. The Module Version and USB Devices Enabled items show the auto-detected values. If no USB device is detected, the item shows None. -
Page 57: Power Menu
The Power menu items allow you to change the settings for the Advanced Configuration and Power Interface (ACPI) and the Advanced Power Management (APM). Select an item then press <Enter> to display the configuration options. M4A78LT BIOS Setup Version 0307 Main... -
Page 58: Hw Monitor Configuration
CPU Q-Fan Function [Enabled] Enables or disables the ASUS Q-Fan feature that smartly adjusts the CPU fan speeds for more efficient system operation. Configuration options: [Disabled] [Enabled] The following item appears only when you set CPU Q-Fan Function to [Enabled]. -
Page 59: Boot Menu
Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] • To select the boot device during system startup, press <F8> when ASUS logo appears. • To access Windows OS in Safe Mode, do any of the following: •... -
Page 60: Security
Bootup Num-Lock [On] Selects the power-on state for the NumLock. Configuration options: [Off] [On] Wait for ‘F1’ If Error [Enabled] When this item is set to [Enabled], the system waits for the F1 key to be pressed when error occurs. Configuration options: [Disabled] [Enabled] Hit ‘DEL’... -
Page 61: Tools Menu
2.7.1 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2. When you press <Enter>, a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to confirm your choice. See section 2.1.2 for details. -
Page 62: Asus O.c. Profile
2.7.2 ASUS O.C. Profile This item allows 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. -
Page 63: Exit Menu
Exit menu The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard your changes to the BIOS items. Version 0307 M4A78LT BIOS Setup Main Advanced Power Boot Tools... - Page 64 2-24 Chapter 2: BIOS information...
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Page 65: Asus Contact Information
+1-510-608-4555 Web site usa.asus.com Technical Support Telephone +1-812-282-2787 Support fax +1-812-284-0883 Online support support.asus.com ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, D40880 Ratingen, Germany +49-2102-9599-11 Online contact www.asus.com.de/sales Technical Support Component Telephone +49-1805-010923 System/Notebook /Eee/LCD Telephone +49-1805-010920...