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... guide vii M4A78LT Series specifications summar ix Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 Innovative ASUS features 1-3 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 1.5.3 Motherboard layout 1-7 1.5.4 Layout contents 1-8 1.6 Central Processing Unit (CPU 1-8 1.6.1 Installing the CPU 1-8 1.6.2 Installing the heatsink and fan 1-10 1.7 System memory 1-11 1.7.1 Overview 1-11 1.7.2 Memory configurations 1-12...
... guide vii M4A78LT Series specifications summar ix Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 Innovative ASUS features 1-3 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 1.5.3 Motherboard layout 1-7 1.5.4 Layout contents 1-8 1.6 Central Processing Unit (CPU 1-8 1.6.1 Installing the CPU 1-8 1.6.2 Installing the heatsink and fan 1-10 1.7 System memory 1-11 1.7.1 Overview 1-11 1.7.2 Memory configurations 1-12...
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...174; 32-bit operating system may only recognize less than 3GB. M4A78LT Series specifications summar CPU Chipset System bus Memory Expansion slots Storage LAN Audio USB Special features ASUS unique features AMD® Socket AM3 AMD® Phenom™ II...M4A78LT only) Core Unlocker ASUS EPU-4 Engine ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS Q-Fan ASUS MyLogo 2 ASUS C.P.R. (CPU Parameter Recall) ASUS Anti Surge ASUS AI Charger ASUS Turbo Key (continued on the next page) ix With ASUS design, this motherboard can support up to 5200 MT/s HyperTransport™ 3.0 interface Dual-channel memory...
...174; 32-bit operating system may only recognize less than 3GB. M4A78LT Series specifications summar CPU Chipset System bus Memory Expansion slots Storage LAN Audio USB Special features ASUS unique features AMD® Socket AM3 AMD® Phenom™ II...M4A78LT only) Core Unlocker ASUS EPU-4 Engine ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS Q-Fan ASUS MyLogo 2 ASUS C.P.R. (CPU Parameter Recall) ASUS Anti Surge ASUS AI Charger ASUS Turbo Key (continued on the next page) ix With ASUS design, this motherboard can support up to 5200 MT/s HyperTransport™ 3.0 interface Dual-channel memory...
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... of the items is damaged or missing, contact your motherboard package for buying an ASUS® M4A78LT Series motherboard! It features dual-channel DDR3 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0based system bus. ASUS M4A78LT Series 1-1 Before you for the following items. Motherboard Cables Accessories Application DVD Documentation...
... of the items is damaged or missing, contact your motherboard package for buying an ASUS® M4A78LT Series motherboard! It features dual-channel DDR3 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0based system bus. ASUS M4A78LT Series 1-1 Before you for the following items. Motherboard Cables Accessories Application DVD Documentation...
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... supports hard drives based on the headphone while playing multichannel 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. 1-2... Chapter 1: Product introduction Dual-Channel DDR3 2000(O.C.) support This motherboard supports DDR3 memory that features data transfer rates of the latest operating system, 3D graphics, multimedia, and Internet applications. Gigabit LAN solution...
... supports hard drives based on the headphone while playing multichannel 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. 1-2... Chapter 1: Product introduction Dual-Channel DDR3 2000(O.C.) support This motherboard supports DDR3 memory that features data transfer rates of the latest operating system, 3D graphics, multimedia, and Internet applications. Gigabit LAN solution...
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...to the retention module base. DDR3 modules are developed for better performance with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is in place, connect ...memory 1.7.1 Overview This motherboard comes with less power consumption. DO NOT forget to the module base. 5. 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...
...to the retention module base. DDR3 modules are developed for better performance with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is in place, connect ...memory 1.7.1 Overview This motherboard comes with less power consumption. DO NOT forget to the module base. 5. 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...
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... megabits (Mb) chips or less. With ASUS design, this motherboard can support up of memory, we recommend that you obtain memory modules from the same vendor. • We recommend that you install the memory modules from the higher-sized channel is then...• • 1.65V • • 1.65V • • 1.65V • • 1.65V • • 1-12 Chapter 1: Product introduction M4A78LT series Motherboards Qualified Vendors Lists (QVL) DDR3-2000(O.C.) MHz capability Vendor Part No. CL Voltage 9-11-9-28 1.65V DIMM support A* B* C* • • DDR3-...
... megabits (Mb) chips or less. With ASUS design, this motherboard can support up of memory, we recommend that you obtain memory modules from the same vendor. • We recommend that you install the memory modules from the higher-sized channel is then...• • 1.65V • • 1.65V • • 1.65V • • 1.65V • • 1-12 Chapter 1: Product introduction M4A78LT series Motherboards Qualified Vendors Lists (QVL) DDR3-2000(O.C.) MHz capability Vendor Part No. CL Voltage 9-11-9-28 1.65V DIMM support A* B* C* • • DDR3-...
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..., this motherboard can support up to DDR3 1066MHz. Visit the ASUS website at www.asus.com for better overclocking capability. When using a DDR3 2000MHz memory module, ensure to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. SS: Single-sided / ...
..., this motherboard can support up to DDR3 1066MHz. Visit the ASUS website at www.asus.com for better overclocking capability. When using a DDR3 2000MHz memory module, ensure to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. SS: Single-sided / ...
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...pins 1-2. 3. Plug the power cord and turn ON the computer. 4. Shut down the key during the boot process and enter BIOS setup to default values. ASUS M4A78LT Series 1-19 The onboard button cell battery powers the RAM data in CMOS. Except when clearing the RTC RAM, never remove the cap on pins... again to overclocking. Turn OFF the computer and unplug the power cord. 2. 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 data. Clear RTC RAM (CLRTC) This jumper allows you to pins 2-3. ...
...pins 1-2. 3. Plug the power cord and turn ON the computer. 4. Shut down the key during the boot process and enter BIOS setup to default values. ASUS M4A78LT Series 1-19 The onboard button cell battery powers the RAM data in CMOS. Except when clearing the RTC RAM, never remove the cap on pins... again to overclocking. Turn OFF the computer and unplug the power cord. 2. 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 data. Clear RTC RAM (CLRTC) This jumper allows you to pins 2-3. ...
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The BIOS automatically detects the items in this menu. System Memory Displays the auto-detected system memory. 2.4 Advanced menu The Advanced menu items allow you an overview of the Advanced menu items. Incorrect ...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 System Frequency/Voltage etc. Configuration options: [Manual] [Auto] [Overclock Profile] [Test Mode] ASUS M4A78LT Series 2-9 CPU Overclocking [Auto] ...
The BIOS automatically detects the items in this menu. System Memory Displays the auto-detected system memory. 2.4 Advanced menu The Advanced menu items allow you an overview of the Advanced menu items. Incorrect ...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 System Frequency/Voltage etc. Configuration options: [Manual] [Auto] [Overclock Profile] [Test Mode] ASUS M4A78LT Series 2-9 CPU Overclocking [Auto] ...
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...Value [400MHz] Selects the DRAM frequency programming method. The values range from 1.20000V to PRE Time [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] ASUS M4A78LT Series 2-11 Configuration options: [Auto] [200MHz] [400MHz] [600MHz] [800MHZ] [1000MHz] [1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz] HT Link Width [Auto] Sets the ... following item only appears when you install on the motherboard. If the system becomes unstable after changing the setting, set Memory Clock Mode to [Manual]. Configuration options: [Auto] [Max. = 1.38000V] [Min. = 1.20000V...
...Value [400MHz] Selects the DRAM frequency programming method. The values range from 1.20000V to PRE Time [Auto] Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK] ASUS M4A78LT Series 2-11 Configuration options: [Auto] [200MHz] [400MHz] [600MHz] [800MHZ] [1000MHz] [1200MHz] [1400MHz] [1600MHz] [1800MHz] [2000MHz] HT Link Width [Auto] Sets the ... following item only appears when you install on the motherboard. If the system becomes unstable after changing the setting, set Memory Clock Mode to [Manual]. Configuration options: [Auto] [Max. = 1.38000V] [Min. = 1.20000V...
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...Auto] [All Cores] [Per Core] 2.4.3 Chipset NorthBridge Configuration DRAM Controller Configuration Bank Interleaving [Auto] Allows you to enable the bank memory interleaving. Cool 'n' Quiet [Enabled] Enables or disables the AMD® Cool 'n' Quiet technology. Configuration options: [Disabled] [Enabled] Advanced...core frequency and voltage will be reduced during C3 and Alt VID. When this item is enhanced. Configuration options: [Disabled] [Enabled] ASUS M4A78LT Series 2-13 Configuration options: [Disabled] [Address bits 6] [Address bits 12] [Auto] [XOR of Address bits [20:16, ...
...Auto] [All Cores] [Per Core] 2.4.3 Chipset NorthBridge Configuration DRAM Controller Configuration Bank Interleaving [Auto] Allows you to enable the bank memory interleaving. Cool 'n' Quiet [Enabled] Enables or disables the AMD® Cool 'n' Quiet technology. Configuration options: [Disabled] [Enabled] Advanced...core frequency and voltage will be reduced during C3 and Alt VID. When this item is enhanced. Configuration options: [Disabled] [Enabled] ASUS M4A78LT Series 2-13 Configuration options: [Disabled] [Address bits 6] [Address bits 12] [Auto] [XOR of Address bits [20:16, ...
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...options: [Auto] [32MB] [64MB] [128MB] [256MB] [512MB] [1GB] • The [512MB] option only appears when you install 1GB system memory or more. • The [1GB] option only appears when you install an ATI graphics card into the PCIe x16 slot. ECC Configuration ECC Mode [...Disabled] Enables or disables the DRAM ECC that allows the hardware to report and correct memory errors automatically. Frame Buffer Location [Above 4G] Configuration options: [Below 4G] [Above 4G] 2-14 Chapter 2: BIOS information Configuration options: [GFX0...
...options: [Auto] [32MB] [64MB] [128MB] [256MB] [512MB] [1GB] • The [512MB] option only appears when you install 1GB system memory or more. • The [1GB] option only appears when you install an ATI graphics card into the PCIe x16 slot. ECC Configuration ECC Mode [...Disabled] Enables or disables the DRAM ECC that allows the hardware to report and correct memory errors automatically. Frame Buffer Location [Above 4G] Configuration options: [Below 4G] [Above 4G] 2-14 Chapter 2: BIOS information Configuration options: [GFX0...
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...definition audio controller. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for PCI/PnP devices. Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can ... 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 Configuration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] Parallel Port Address [378] Allows you to change the...
...definition audio controller. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for PCI/PnP devices. Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can ... 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 Configuration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] Parallel Port Address [378] Allows you to change the...
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...Profiles Allows you update the BIOS file only coming from the same memory/CPU configuration and BIOS version. • Only the CMO file can... BIOS settings saved in the Save to store or load multiple BIOS settings. Profile Utility V1.44 Current CMOS BOARD: M4A78LT VER: 0307 (H:00 B:0) DATE: 01/06/2011 Restore CMOS BOARD: Unknown VER: Unknown DATE: Unknown PATH: C:\... run the utility to save the current BIOS file to save and load CMOS. ASUSTek O.C. Press to load. 2.7.2 ASUS O.C. In the Name sub-item, type your profile name and press , and then choose a profile number to save...
...Profiles Allows you update the BIOS file only coming from the same memory/CPU configuration and BIOS version. • Only the CMO file can... BIOS settings saved in the Save to store or load multiple BIOS settings. Profile Utility V1.44 Current CMOS BOARD: M4A78LT VER: 0307 (H:00 B:0) DATE: 01/06/2011 Restore CMOS BOARD: Unknown VER: Unknown DATE: Unknown PATH: C:\... run the utility to save the current BIOS file to save and load CMOS. ASUSTek O.C. Press to load. 2.7.2 ASUS O.C. In the Name sub-item, type your profile name and press , and then choose a profile number to save...