User Manual
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... motherboards! Before you for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M4A78LT Series motherboard 2 x Serial ATA cables 1 x I/O shield ASUS motherboard Support DVD User Manual • M4A78LT Series motherboards include M4A78LT and M4A78LT LE two models. Thank you start installing the motherboard, and hardware devices on it another standout in the new 45nm... motherboard also supports AMD® CPUs in the long line of the items is damaged or missing, contact your motherboard package for buying an ASUS® M4A78LT Series motherboard!
... motherboards! Before you for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M4A78LT Series motherboard 2 x Serial ATA cables 1 x I/O shield ASUS motherboard Support DVD User Manual • M4A78LT Series motherboards include M4A78LT and M4A78LT LE two models. Thank you start installing the motherboard, and hardware devices on it another standout in the new 45nm... motherboard also supports AMD® CPUs in the long line of the items is damaged or missing, contact your motherboard package for buying an ASUS® M4A78LT Series motherboard!
User Manual
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...an overclocking button. After the easy setup, Turbo Key boosts performances without performing complicated BIOS changes. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts the CPU fan speed according to system loading to restore a corrupted BIOS...ASUS MyLogo2™ Turn your system. ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from damage caused by simply unlocking the extra cores, without interrupting ongoing work or games, simply through pressing the button. ASUS M4A78LT Series 1-3 1.3.2 Innovative ASUS features Core Unlocker ASUS...
...an overclocking button. After the easy setup, Turbo Key boosts performances without performing complicated BIOS changes. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts the CPU fan speed according to system loading to restore a corrupted BIOS...ASUS MyLogo2™ Turn your system. ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from damage caused by simply unlocking the extra cores, without interrupting ongoing work or games, simply through pressing the button. ASUS M4A78LT Series 1-3 1.3.2 Innovative ASUS features Core Unlocker ASUS...
User Manual
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... ON OFF Standby Power Powered Off M4A78LT Series Onboard LED ASUS M4A78LT Series 1-5 The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power ...
... ON OFF Standby Power Powered Off M4A78LT Series Onboard LED ASUS M4A78LT Series 1-5 The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power ...
User Manual
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... module) DDR3 DIMM_B2 (64bit, 240-pin module) SOCKET AM3 USB34 LAN1_USB12 30.5cm(12.0in) USBPW1-4 AUDIO CHA_FAN AMD® RS780L EATXPWR 2 RTL 8111E PCIEX1_1 M4A78LT Series PCIEX16_1 Lithium Cell CMOS Power ICS 9LPRS483 Super I/O PCIEX1_2 PCI1 SATA3G_5 SATA3G_6 AMD® SB710 SATA3G_3 SATA3G_4 7 ALC 887 SPDIF_OUT AAFP PCI2 SATA3G_1 SATA3G_2...
... module) DDR3 DIMM_B2 (64bit, 240-pin module) SOCKET AM3 USB34 LAN1_USB12 30.5cm(12.0in) USBPW1-4 AUDIO CHA_FAN AMD® RS780L EATXPWR 2 RTL 8111E PCIEX1_1 M4A78LT Series PCIEX16_1 Lithium Cell CMOS Power ICS 9LPRS483 Super I/O PCIEX1_2 PCI1 SATA3G_5 SATA3G_6 AMD® SB710 SATA3G_3 SATA3G_4 7 ALC 887 SPDIF_OUT AAFP PCI2 SATA3G_1 SATA3G_2...
User Manual
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... occur if you fail to section 1.6.2 Installing heatsink and fan for instructions. ASUS M4A78LT Series 1-9 The CPU fits only in completely. 3. The lever clicks on the motherboard. 2. CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M4A78LT Series M4A78LT Series CPU fan connector DO NOT forget to a 90°-100° angle...
... occur if you fail to section 1.6.2 Installing heatsink and fan for instructions. ASUS M4A78LT Series 1-9 The CPU fits only in completely. 3. The lever clicks on the motherboard. 2. CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M4A78LT Series M4A78LT Series CPU fan connector DO NOT forget to a 90°-100° angle...
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... retention mechanism module base, otherwise you fail to the retention module base. 3. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 M4A78LT Series Channel Channel A Channel B M4A78LT Series 240-pin DDR3 DIMM sockets Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 ASUS M4A78LT Series 1-11
... retention mechanism module base, otherwise you fail to the retention module base. 3. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 M4A78LT Series Channel Channel A Channel B M4A78LT Series 240-pin DDR3 DIMM sockets Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 ASUS M4A78LT Series 1-11
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DIMM notch ASUS M4A78LT Series 1-17 Locked Retaining Clip 1.7.4 Removing a DIMM To remove a DIMM: 1. Failure to do so can cause severe damage to unlock a DIMM socket. 2. Press the retaining ...
DIMM notch ASUS M4A78LT Series 1-17 Locked Retaining Clip 1.7.4 Removing a DIMM To remove a DIMM: 1. Failure to do so can cause severe damage to unlock a DIMM socket. 2. Press the retaining ...
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ASUS M4A78LT Series 1-19 1.9 Jumpers 1. You can automatically reset parameter settings to clear the CMOS RTC RAM data. The onboard button cell battery powers the RAM data ... clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then move the jumper again to default values. M4A78LT Series CLRTC 12 23 Normal (Default) M4A78LT Series Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Keep the...
ASUS M4A78LT Series 1-19 1.9 Jumpers 1. You can automatically reset parameter settings to clear the CMOS RTC RAM data. The onboard button cell battery powers the RAM data ... clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then move the jumper again to default values. M4A78LT Series CLRTC 12 23 Normal (Default) M4A78LT Series Clear RTC RAM Clear RTC To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Keep the...
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...). This port connects to a Local Area Network (LAN) through a network hub. This port connects to the audio configuration table below for a PS/2 mouse. 2. Parallel port. ASUS M4A78LT Series 1-21
...). This port connects to a Local Area Network (LAN) through a network hub. This port connects to the audio configuration table below for a PS/2 mouse. 2. Parallel port. ASUS M4A78LT Series 1-21
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...The system may become unstable or may not boot up . • We recommend that the PSU has a minimum power rating of 300W power rating. ASUS M4A78LT Series 1-23 Otherwise, the system will not boot up if the power is inadequate. • If you use an ATX 12V Specification 2.0‑compliant ...power supply unit (PSU) with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for an ATX power supply. 2. The system may become unstable or may not boot up if the...
...The system may become unstable or may not boot up . • We recommend that the PSU has a minimum power rating of 300W power rating. ASUS M4A78LT Series 1-23 Otherwise, the system will not boot up if the power is inadequate. • If you use an ATX 12V Specification 2.0‑compliant ...power supply unit (PSU) with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for an ATX power supply. 2. The system may become unstable or may not boot up if the...
User Manual
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...• For more details on RAID/AHCI, refer to create a SATA RAID set, set through the onboard chipset. ASUS M4A78LT Series 1-25 SATA5 SATA6 GND RSATA_TXP5 RSATA_TXN5 GND RSATA_RXP5 RSATA_RXN5 GND GND RSATA_TXP6 RSATA_TXN6 GND RSATA_RXP6 RSATA_RXN6 GND SATA3 SATA4 GND...RSATA_TXP3 RSATA_TXN3 GND RSATA_RXP3 RSATA_RXN3 GND GND RSATA_RXN2 RSATA_RXP2 GND RSATA_TXN2 RSATA_TXP2 GND GND RSATA_RXN1 RSATA_RXP1 GND RSATA_TXN1 RSATA_TXP1 GND M4A78LT Series SATA1 SATA2 M4A78LT Series SATA connectors • Install the Windows® XP Service Pack 3 or later versions before using Serial...
...• For more details on RAID/AHCI, refer to create a SATA RAID set, set through the onboard chipset. ASUS M4A78LT Series 1-25 SATA5 SATA6 GND RSATA_TXP5 RSATA_TXN5 GND RSATA_RXP5 RSATA_RXN5 GND GND RSATA_TXP6 RSATA_TXN6 GND RSATA_RXP6 RSATA_RXN6 GND SATA3 SATA4 GND...RSATA_TXP3 RSATA_TXN3 GND RSATA_RXP3 RSATA_RXN3 GND GND RSATA_RXN2 RSATA_RXP2 GND RSATA_TXN2 RSATA_TXP2 GND GND RSATA_RXN1 RSATA_RXP1 GND RSATA_TXN1 RSATA_TXP1 GND M4A78LT Series SATA1 SATA2 M4A78LT Series SATA connectors • Install the Windows® XP Service Pack 3 or later versions before using Serial...
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..., USB78, USB910) These connectors are for an additional Sony/Philips Digital Interface (S/PDIF) port. +5V SPDIFOUT GND M4A78LT Series SPDIF_OUT M4A78LT Series Digital audio connector Ensure that supports up to 480Mbps connection speed. The S/PDIF module is purchased separately. 7....M4A78LT Series USB56 PIN 1 USB78 PIN 1 USB+5V USB_P5USB_P5+ GND M4A78LT Series USB2.0 connectors USB+5V USB_P7USB_P7+ GND USB910 PIN 1 Never connect a 1394 cable to configure the setting. Go to Start > Control Panel > Sounds and Audio Devices > Sound Playback to the USB connectors. ASUS M4A78LT...
..., USB78, USB910) These connectors are for an additional Sony/Philips Digital Interface (S/PDIF) port. +5V SPDIFOUT GND M4A78LT Series SPDIF_OUT M4A78LT Series Digital audio connector Ensure that supports up to 480Mbps connection speed. The S/PDIF module is purchased separately. 7....M4A78LT Series USB56 PIN 1 USB78 PIN 1 USB+5V USB_P5USB_P5+ GND M4A78LT Series USB2.0 connectors USB+5V USB_P7USB_P7+ GND USB910 PIN 1 Never connect a 1394 cable to configure the setting. Go to Start > Control Panel > Sounds and Audio Devices > Sound Playback to the USB connectors. ASUS M4A78LT...
User Manual
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... Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to change at www.asus.com for reference only. ASUS M4A78LT Series 1-29 1.11 Software support 1.11.1 Installing an operating system This motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). Refer to run...
... Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to change at www.asus.com for reference only. ASUS M4A78LT Series 1-29 1.11 Software support 1.11.1 Installing an operating system This motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). Refer to run...
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... motherboard BIOS file to a USB flash disk in case you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update The ASUS Update is a utility that comes with the motherboard package. c. ASUS M4A78LT Series 2-1 Follow the onscreen instructions to launch the ASUS Update utility. 2. Select Update BIOS from the Internet a. Copy the original motherboard BIOS using...
... motherboard BIOS file to a USB flash disk in case you update the BIOS using the ASUS Update utility. 2.1.1 ASUS Update The ASUS Update is a utility that comes with the motherboard package. c. ASUS M4A78LT Series 2-1 Follow the onscreen instructions to launch the ASUS Update utility. 2. Select Update BIOS from the Internet a. Copy the original motherboard BIOS using...
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...ensure system compatibility and stability. DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 2.1.3 ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to section 2.8 Exit menu for details. Ensure to load the BIOS... the system. 2. Select the Load Setup Defaults item under the Exit menu. ASUS M4A78LT Series 2-3 The utility automatically checks the devices for M4A78LT LE). • Download the latest BIOS file from the ASUS website at www.asus.com. When found, the utility reads the BIOS file and starts flashing the...
...ensure system compatibility and stability. DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! 2.1.3 ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to section 2.8 Exit menu for details. Ensure to load the BIOS... the system. 2. Select the Load Setup Defaults item under the Exit menu. ASUS M4A78LT Series 2-3 The utility automatically checks the devices for M4A78LT LE). • Download the latest BIOS file from the ASUS website at www.asus.com. When found, the utility reads the BIOS file and starts flashing the...
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2.2.1 BIOS menu screen Menu items Menu bar Configuration fields Main Advanced Power M4A78LT BIOS Setup Boot Tools Exit Main Settings System Time [16:34:30] System Date [Tue 01/11/2011] Primary IDE Master Primary IDE Slave ...power management (APM) configuration Boot For changing the system boot configuration Tools For configuring options for that particular menu. Use the navigation keys to another. ASUS M4A78LT Series 2-5 Some of the navigation keys differ from one screen to select items in the menu and change the settings. Change Field Tab Select Field...
2.2.1 BIOS menu screen Menu items Menu bar Configuration fields Main Advanced Power M4A78LT BIOS Setup Boot Tools Exit Main Settings System Time [16:34:30] System Date [Tue 01/11/2011] Primary IDE Master Primary IDE Slave ...power management (APM) configuration Boot For changing the system boot configuration Tools For configuring options for that particular menu. Use the navigation keys to another. ASUS M4A78LT Series 2-5 Some of the navigation keys differ from one screen to select items in the menu and change the settings. Change Field Tab Select Field...
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... time. 2.3.2 System Date [Day xx/xx/xxxx] Allows you an overview of the basic system information. Main Advanced Main Settings Power M4A78LT BIOS Setup Boot Tools Exit System Time [16:34:30] System Date [Tue 01/11/2011] Primary IDE Master Primary IDE Slave...Detected] :[Not Detected] :[Not Detected] :[Not Detected] System Information Version 0307 Use [ENTER], [TAB] or [SHIFT-TAB] to set the system date. ASUS M4A78LT Series 2-7 Select Screen Select Item +- Use [+] or [-] to navigate through them. Refer to section 2.2.1 BIOS menu screen for information on the menu screen ...
... time. 2.3.2 System Date [Day xx/xx/xxxx] Allows you an overview of the basic system information. Main Advanced Main Settings Power M4A78LT BIOS Setup Boot Tools Exit System Time [16:34:30] System Date [Tue 01/11/2011] Primary IDE Master Primary IDE Slave...Detected] :[Not Detected] :[Not Detected] :[Not Detected] System Information Version 0307 Use [ENTER], [TAB] or [SHIFT-TAB] to set the system date. ASUS M4A78LT Series 2-7 Select Screen Select Item +- Use [+] or [-] to navigate through them. Refer to section 2.2.1 BIOS menu screen for information on the menu screen ...
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...change the settings for the CPU and other system devices. Configuration options: [Manual] [Auto] [Overclock Profile] [Test Mode] ASUS M4A78LT Series 2-9 AMIBIOS Displays the auto-detected BIOS information. 2.3.4 System Information This menu gives you to Sub Screen General Help Save... CPU specification. Take caution when changing the settings of the general system specifications. Main Advanced Advanced Settings Power M4A78LT BIOS Setup Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Version 0307 Adjust ...
...change the settings for the CPU and other system devices. Configuration options: [Manual] [Auto] [Overclock Profile] [Test Mode] ASUS M4A78LT Series 2-9 AMIBIOS Displays the auto-detected BIOS information. 2.3.4 System Information This menu gives you to Sub Screen General Help Save... CPU specification. Take caution when changing the settings of the general system specifications. Main Advanced Advanced Settings Power M4A78LT BIOS Setup Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Version 0307 Adjust ...
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...] [1800MHz] [2000MHz] HT Link Width [Auto] Sets the HyperTransport link width. Use the / keys to PRE Time [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] ASUS M4A78LT Series 2-11 Configuration options: [400MHz] [533MHz] [667MHz] [800MHz] DRAM Timing Configuration The configuration options for safe mode. Memclock Value [400MHz] Selects the DRAM frequency programming...
...] [1800MHz] [2000MHz] HT Link Width [Auto] Sets the HyperTransport link width. Use the / keys to PRE Time [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] ASUS M4A78LT Series 2-11 Configuration options: [400MHz] [533MHz] [667MHz] [800MHz] DRAM Timing Configuration The configuration options for safe mode. Memclock Value [400MHz] Selects the DRAM frequency programming...
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... memory interleaving. Configuraiton options: [Enabled] [Disabled] MemClk Tristate C3/ATLVID [Disabled] Allows you to enable or disable DDR power down mode. Configuration options: [Disabled] [Enabled] ASUS M4A78LT Series 2-13 When this item is enabled, the CPU core frequency and voltage will be reduced during C3 and Alt VID. Configuration options: [Disabled] [Auto...
... memory interleaving. Configuraiton options: [Enabled] [Disabled] MemClk Tristate C3/ATLVID [Disabled] Allows you to enable or disable DDR power down mode. Configuration options: [Disabled] [Enabled] ASUS M4A78LT Series 2-13 When this item is enabled, the CPU core frequency and voltage will be reduced during C3 and Alt VID. Configuration options: [Disabled] [Auto...