User Guide
Page 11
Thank you start installing the motherboard, and hardware devices on it another standout in the new 45nm manufacturing process. ASUS M4A78LT-M LX 1-1 The motherboard delivers a host of new features and latest technologies, making it , check the items in your package with less power consumption. This motherboard also ...
Thank you start installing the motherboard, and hardware devices on it another standout in the new 45nm manufacturing process. ASUS M4A78LT-M LX 1-1 The motherboard delivers a host of new features and latest technologies, making it , check the items in your package with less power consumption. This motherboard also ...
User Guide
Page 13
...-Surge Protection This special design prevents expensive devices and the motherboard from switching power supply (PSU). ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to personalize your favorite photos into an overclocking button. ASUS M4A78LT-M LX 1-3 Enjoy an instant performance boost by power surges from damage caused by simply unlocking the extra cores, without interrupting...
...-Surge Protection This special design prevents expensive devices and the motherboard from switching power supply (PSU). ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to personalize your favorite photos into an overclocking button. ASUS M4A78LT-M LX 1-3 Enjoy an instant performance boost by power surges from damage caused by simply unlocking the extra cores, without interrupting...
User Guide
Page 15
... Take note of the onboard LED. Failure to do so may cause severe damage to the motherboard, peripherals, or components. SB_PWR M4A78LT-M LX ON OFF Standby Power Powered Off M4A78LT-M LX Onboard LED ASUS M4A78LT-M LX 1-5 This is a reminder that the system is ON, in sleep mode, or in the bag that came with a standby power LED...
... Take note of the onboard LED. Failure to do so may cause severe damage to the motherboard, peripherals, or components. SB_PWR M4A78LT-M LX ON OFF Standby Power Powered Off M4A78LT-M LX Onboard LED ASUS M4A78LT-M LX 1-5 This is a reminder that the system is ON, in sleep mode, or in the bag that came with a standby power LED...
User Guide
Page 17
...connectors (24-pin EATXPWR, 4-pin 1-22 10. USB connectors (10-1 pin USB56, USB78, 1-25 ATX12V) USB910) 4. Clear RTC RAM (CLRTC) 1-18 ASUS M4A78LT-M LX 1-7 USB device wake-up (3-pin USBPW1-4, USBPW5-10, ) 1-19 9. Digital audio connector (4-1 pin SPDIF_OUT) 1-26 5. AMD CPU socket 1-8 12. ...24.4cm(9.6in) LAN1_USB12 CPU_FAN SATA3G_5 SATA3G_6 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® RS780L Super I/O PCIEX16 M4A78LT-M LX PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 8Mb BIOS 7 SATA3G_2 SATA3G_4 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910...
...connectors (24-pin EATXPWR, 4-pin 1-22 10. USB connectors (10-1 pin USB56, USB78, 1-25 ATX12V) USB910) 4. Clear RTC RAM (CLRTC) 1-18 ASUS M4A78LT-M LX 1-7 USB device wake-up (3-pin USBPW1-4, USBPW5-10, ) 1-19 9. Digital audio connector (4-1 pin SPDIF_OUT) 1-26 5. AMD CPU socket 1-8 12. ...24.4cm(9.6in) LAN1_USB12 CPU_FAN SATA3G_5 SATA3G_6 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® RS780L Super I/O PCIEX16 M4A78LT-M LX PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 8Mb BIOS 7 SATA3G_2 SATA3G_4 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910...
User Guide
Page 19
... fan connector DO NOT forget to section 1.6.2 Installing heatsink and fan for instructions. 7. When the CPU is locked. 6. ASUS M4A78LT-M LX 1-9 The lever clicks on the motherboard. Connect the CPU fan cable to the CPU_FAN connector on the side tab to indicate that comes with the ...
... fan connector DO NOT forget to section 1.6.2 Installing heatsink and fan for instructions. 7. When the CPU is locked. 6. ASUS M4A78LT-M LX 1-9 The lever clicks on the motherboard. Connect the CPU fan cable to the CPU_FAN connector on the side tab to indicate that comes with the ...
User Guide
Page 21
... 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B M4A78LT-M LX M4A78LT-M LX 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M4A78LT-M LX 1-11 Push down the retention bracket lock on the motherboard labeled CPU_FAN. When the fan and heatsink assembly is in place...
... 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B M4A78LT-M LX M4A78LT-M LX 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M4A78LT-M LX 1-11 Push down the retention bracket lock on the motherboard labeled CPU_FAN. When the fan and heatsink assembly is in place...
User Guide
Page 25
... Micron MT16JTF25664AZ-1G1F1 2048MB DS Micron MT18JSF25672AZ-1G1F1 2048MB DS OCZ OCZ3SOE10662GK 2048MB(Kit of dual-channel memory configuration. Visit the ASUS website at www.asus.com for the latest QVL. With ASUS design, this motherboard can support up to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3...; • • • Due to CPU spec., AMD® 100 and 200 series CPUs support up to DDR3 1066MHz. Size SS/ DS Brand Chip NO. ASUS M4A78LT-M LX 1-15
... Micron MT16JTF25664AZ-1G1F1 2048MB DS Micron MT18JSF25672AZ-1G1F1 2048MB DS OCZ OCZ3SOE10662GK 2048MB(Kit of dual-channel memory configuration. Visit the ASUS website at www.asus.com for the latest QVL. With ASUS design, this motherboard can support up to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3...; • • • Due to CPU spec., AMD® 100 and 200 series CPUs support up to DDR3 1066MHz. Size SS/ DS Brand Chip NO. ASUS M4A78LT-M LX 1-15
User Guide
Page 27
... already installed in a chassis). 3. Turn on shared slots, ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments. ASUS M4A78LT-M LX 1-17 Unplug the power cord before adding or removing expansion cards. Secure the card to use . 4. See Chapter 2 for the expansion card. When using PCI...
... already installed in a chassis). 3. Turn on shared slots, ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments. ASUS M4A78LT-M LX 1-17 Unplug the power cord before adding or removing expansion cards. Secure the card to use . 4. See Chapter 2 for the expansion card. When using PCI...
User Guide
Page 29
... power supply that can wake up (3-pin USBPW1-4, USBPW5-10) Set these jumpers to +5VSB to wake up feature. 2. KBPWR 12 23 +5V +5VSB (Default) M4A78LT-M LX M4A78LT-M LX Keyboard Power Setting ASUS M4A78LT-M LX 1-19 USB device wake-up the computer by pressing a key on the +5VSB lead, and a corresponding setting in reduced power mode).
... power supply that can wake up (3-pin USBPW1-4, USBPW5-10) Set these jumpers to +5VSB to wake up feature. 2. KBPWR 12 23 +5V +5VSB (Default) M4A78LT-M LX M4A78LT-M LX Keyboard Power Setting ASUS M4A78LT-M LX 1-19 USB device wake-up the computer by pressing a key on the +5VSB lead, and a corresponding setting in reduced power mode).
User Guide
Page 31
... MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M4A78LT-M LX HD-audio-compliant Legacy AC'97 pin definition compliant definition M4A78LT-M LX Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard. ASUS M4A78LT-M LX 1-21 Video Graphics Adapter (VGA) port. This 9-pin COM1 port is...
... MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M4A78LT-M LX HD-audio-compliant Legacy AC'97 pin definition compliant definition M4A78LT-M LX Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard. ASUS M4A78LT-M LX 1-21 Video Graphics Adapter (VGA) port. This 9-pin COM1 port is...
User Guide
Page 33
...GND GND RSATA_TXN4 RSATA_TXP4 GND RSATA_RXN4 RSATA_RXP4 GND GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXP1 RSATA_TXN1 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXP3 RSATA_TXN3 GND M4A78LT-M LX SATA3G_1 SATA3G_3 M4A78LT-M LX SATA connectors • Install the Windows® XP Service Pack 3 or later versions before using Serial ATA. •... set, set . • Due to the RA ID/AHCI Supplementary Guide included in the folder named Manual in the BIOS. ASUS M4A78LT-M LX 1-23 You could use a USB floppy disk drive when installing Windows® XP operating system on RAID/AHCI, refer to Windows...
...GND GND RSATA_TXN4 RSATA_TXP4 GND RSATA_RXN4 RSATA_RXP4 GND GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXP1 RSATA_TXN1 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXP3 RSATA_TXN3 GND M4A78LT-M LX SATA3G_1 SATA3G_3 M4A78LT-M LX SATA connectors • Install the Windows® XP Service Pack 3 or later versions before using Serial ATA. •... set, set . • Due to the RA ID/AHCI Supplementary Guide included in the folder named Manual in the BIOS. ASUS M4A78LT-M LX 1-23 You could use a USB floppy disk drive when installing Windows® XP operating system on RAID/AHCI, refer to Windows...
User Guide
Page 35
..., then install the module to the USB connectors. Connect the USB module cable to any of the system chassis. The USB 2.0 module is purchased separately. ASUS M4A78LT-M LX 1-25 5. USB connectors (10-1 pin USB56, USB78, USB910) These connectors are for USB 2.0 ports. These USB connectors comply with USB 2.0 specification that supports up to...
..., then install the module to the USB connectors. Connect the USB module cable to any of the system chassis. The USB 2.0 module is purchased separately. ASUS M4A78LT-M LX 1-25 5. USB connectors (10-1 pin USB56, USB78, USB910) These connectors are for USB 2.0 ports. These USB connectors comply with USB 2.0 specification that supports up to...
User Guide
Page 37
... fan connectors. DO NOT place jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. 8. ASUS M4A78LT-M LX 1-27 CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) Connect the fan cables to the fan connectors. Only the 4-pin CPU fan connector...
... fan connectors. DO NOT place jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. 8. ASUS M4A78LT-M LX 1-27 CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) Connect the fan cables to the fan connectors. Only the 4-pin CPU fan connector...
User Guide
Page 39
...174; applications before you need to restore the BIOS in the future. ASUS M4A78LT-M LX 2-1 The Drivers menu appears. 2. Click the Utilities tab, then click ASUS Update. 3. Updating the BIOS To update the BIOS: 1. The ASUS Update utility is available in the support DVD that comes with the motherboard...site, select the BIOS version that allows you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either of the following methods: Updating from the Internet, then click Next. Quit all its features. Follow ...
...174; applications before you need to restore the BIOS in the future. ASUS M4A78LT-M LX 2-1 The Drivers menu appears. 2. Click the Utilities tab, then click ASUS Update. 3. Updating the BIOS To update the BIOS: 1. The ASUS Update utility is available in the support DVD that comes with the motherboard...site, select the BIOS version that allows you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either of the following methods: Updating from the Internet, then click Next. Quit all its features. Follow ...
User Guide
Page 41
...;s�u�s�.�c�o�m��. Ensure to load the BIOS default settings to ensure system compatibility and stability. ASUS M4A78LT-M LX 2-3 Turn on again. DO NOT shut down or reset the system while updating the BIOS! You can cause system boot failure...Exit menu. Recovering the BIOS To recover the BIOS: 1. Refer to section 2.8 Exit menu for the BIOS file. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 utility is found, the utility reads it and starts flashing the corrupted BIOS file. 4. The utility automatically ...
...;s�u�s�.�c�o�m��. Ensure to load the BIOS default settings to ensure system compatibility and stability. ASUS M4A78LT-M LX 2-3 Turn on again. DO NOT shut down or reset the system while updating the BIOS! You can cause system boot failure...Exit menu. Recovering the BIOS To recover the BIOS: 1. Refer to section 2.8 Exit menu for the BIOS file. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 utility is found, the utility reads it and starts flashing the corrupted BIOS file. 4. The utility automatically ...
User Guide
Page 43
... keys for special functions Exit For selecting the exit options and loading default settings. 2.2.1 BIOS menu screen Menu items Menu bar Configuration fields Main Advanced M4A78LT-M LX BIOS Setup Power Boot Tools Exit Main Settings System Time [19:34:30] System Date [Thu 01/06/2011] SATA1 SATA2 SATA3 SATA4 SATA5 SATA6... Version 0306 Use [ENTER], [TAB] or [SHIFT-TAB] to select items in the menu and change the settings. Use the navigation keys to select a field. ASUS M4A78LT-M LX 2-5 Select Screen Select Item +-
... keys for special functions Exit For selecting the exit options and loading default settings. 2.2.1 BIOS menu screen Menu items Menu bar Configuration fields Main Advanced M4A78LT-M LX BIOS Setup Power Boot Tools Exit Main Settings System Time [19:34:30] System Date [Thu 01/06/2011] SATA1 SATA2 SATA3 SATA4 SATA5 SATA6... Version 0306 Use [ENTER], [TAB] or [SHIFT-TAB] to select items in the menu and change the settings. Use the navigation keys to select a field. ASUS M4A78LT-M LX 2-5 Select Screen Select Item +-
User Guide
Page 45
Main Advanced Main Settings M4A78LT-M LX BIOS Setup Power Boot Tools Exit System Time [19:34:30] System Date [Thu 01/06/2011] SATA1 SATA2 SATA3 SATA4 SATA5 SATA6 SATA Configuration :[... [-] to display the SATA device information. Select Screen Select Item +- Select [ARMD] (ATAPI Removable Media Device) if your device is installed in the SATA_5/6 menus. ASUS M4A78LT-M LX 2-7 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...
Main Advanced Main Settings M4A78LT-M LX BIOS Setup Power Boot Tools Exit System Time [19:34:30] System Date [Thu 01/06/2011] SATA1 SATA2 SATA3 SATA4 SATA5 SATA6 SATA Configuration :[... [-] to display the SATA device information. Select Screen Select Item +- Select [ARMD] (ATAPI Removable Media Device) if your device is installed in the SATA_5/6 menus. ASUS M4A78LT-M LX 2-7 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...
User Guide
Page 47
... and configuration options in this menu may vary depending on the AMD CPU type. Configuration options: [Manual] [Auto] [Overclock Profile] [Test Mode] ASUS M4A78LT-M LX 2-9 Main Advanced Advanced Settings Power M4A78LT-M LX BIOS Setup Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Version 0306 Adjust System Frequency/Voltage etc...
... and configuration options in this menu may vary depending on the AMD CPU type. Configuration options: [Manual] [Auto] [Overclock Profile] [Test Mode] ASUS M4A78LT-M LX 2-9 Main Advanced Advanced Settings Power M4A78LT-M LX BIOS Setup Boot Tools Exit JumperFree Configuration CPU Configuration Chipset Onboard Devices Configuration PCIPnP USB Configuration Version 0306 Adjust System Frequency/Voltage etc...
User Guide
Page 49
... vary depending on your CPU model. Use the / keys to 2.2050V with a 0.01500V increment. The values range from 1.10000V to [Manual]. Configuration options: [Disabled] [Enabled] ASUS M4A78LT-M LX 2-11 VDDNB Over Voltage [Auto] Sets the VDDNB over voltage. Configuration options: [Auto] LoadLine Calibration [Auto] Sets the LoadLine. Configuration options: [Auto] [Max. = 1.38000V] [Min...
... vary depending on your CPU model. Use the / keys to 2.2050V with a 0.01500V increment. The values range from 1.10000V to [Manual]. Configuration options: [Disabled] [Enabled] ASUS M4A78LT-M LX 2-11 VDDNB Over Voltage [Auto] Sets the VDDNB over voltage. Configuration options: [Auto] LoadLine Calibration [Auto] Sets the LoadLine. Configuration options: [Auto] [Max. = 1.38000V] [Min...
User Guide
Page 51
...] • The [512MB] option only appears when you install 1GB system memory or more . Frame Buffer Location [Above 4G] Configuration options: [Below 4G] [Above 4G] ASUS M4A78LT-M LX 2-13 Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User] Internal Graphics Primary Video Controller [GFX0-GPP-IGFX-PCI] Selects the primary display adapter. MemClk Tristate...
...] • The [512MB] option only appears when you install 1GB system memory or more . Frame Buffer Location [Above 4G] Configuration options: [Below 4G] [Above 4G] ASUS M4A78LT-M LX 2-13 Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User] Internal Graphics Primary Video Controller [GFX0-GPP-IGFX-PCI] Selects the primary display adapter. MemClk Tristate...