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Contents Notices...vi Safety information vii About this guide viii M4A78LT PLUS specifications summary ix Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Placement direction 1-2 1.2.2 Screw holes 1-2 1.2.3 Motherboard layout 1-3 1.2.4 Layout contents 1-4 1.3 Central Processing Unit (CPU 1-4 1.3.1 Installing the CPU 1-4 1.3.2 Installing the heatsink and fan 1-6 1.4 System memory 1-7 1.4.1 Overview 1-7 1.4.2 Memory configurations 1-8 1.4.3 Installing a DIMM 1-11 1.4.4 Removing a DIMM 1-...
Contents Notices...vi Safety information vii About this guide viii M4A78LT PLUS specifications summary ix Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Placement direction 1-2 1.2.2 Screw holes 1-2 1.2.3 Motherboard layout 1-3 1.2.4 Layout contents 1-4 1.3 Central Processing Unit (CPU 1-4 1.3.1 Installing the CPU 1-4 1.3.2 Installing the heatsink and fan 1-6 1.4 System memory 1-7 1.4.1 Overview 1-7 1.4.2 Memory configurations 1-8 1.4.3 Installing a DIMM 1-11 1.4.4 Removing a DIMM 1-...
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... of the BIOS parameters are not part of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to select. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Typography Bold text Italics ++... Tips and additional information to help you MUST follow to find more keys simultaneously, the key names are linked with a plus sign (+). Optional documentation Your product package may include optional documentation, such as warranty flyers, that you perform certain tasks properly...
... of the BIOS parameters are not part of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to select. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Typography Bold text Italics ++... Tips and additional information to help you MUST follow to find more keys simultaneously, the key names are linked with a plus sign (+). Optional documentation Your product package may include optional documentation, such as warranty flyers, that you perform certain tasks properly...
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With ASUS design, this motherboard can support up to www.asus.com for the latest Memory QVL (Qualified Vendors List). *** When you are using a Windows® 32-bit operating system. 1 x PCI Express 2.0 x16 slot 1 x PCI Express 2.0 ... a total memory of 4GB or more, Windows® 32-bit operating system may only recognize less than 3GB. M4A78LT PLUS specifications summary CPU Chipset System Bus Memory Expansion slots Storage / RAID LAN Audio USB ASUS unique features AMD® socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100...
With ASUS design, this motherboard can support up to www.asus.com for the latest Memory QVL (Qualified Vendors List). *** When you are using a Windows® 32-bit operating system. 1 x PCI Express 2.0 x16 slot 1 x PCI Express 2.0 ... a total memory of 4GB or more, Windows® 32-bit operating system may only recognize less than 3GB. M4A78LT PLUS specifications summary CPU Chipset System Bus Memory Expansion slots Storage / RAID LAN Audio USB ASUS unique features AMD® socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100...
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...for the list of accessories. ASUS M4A78LT PLUS 1-1 Failure to do so may cause severe damage to avoid touching the ICs on a grounded antistatic pad or in your retailer. 1.1 Before you proceed Take note of the items is damaged or missing, contact your motherboard package. If any component. ...any component, switch off the ATX power supply and detach its power cord. Refer to page x for buying an ASUS® M4A78LT PLUS motherboard! Before you start installing the motherboard, and hardware devices on it on them due to static electricity. • Hold components by the edges to the...
...for the list of accessories. ASUS M4A78LT PLUS 1-1 Failure to do so may cause severe damage to avoid touching the ICs on a grounded antistatic pad or in your retailer. 1.1 Before you proceed Take note of the items is damaged or missing, contact your motherboard package. If any component. ...any component, switch off the ATX power supply and detach its power cord. Refer to page x for buying an ASUS® M4A78LT PLUS motherboard! Before you start installing the motherboard, and hardware devices on it on them due to static electricity. • Hold components by the edges to the...
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Doing so can damage the motherboard. M4A78LT PLUS 1-2 Chapter 1: Product introduction 1.2 Motherboard overview 1.2.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! The edge with external ports goes to the chassis. Place this side towards the rear of the chassis as indicated in the image below. 1.2.2 Screw holes Place six screws into the chassis in the correct orientation.
Doing so can damage the motherboard. M4A78LT PLUS 1-2 Chapter 1: Product introduction 1.2 Motherboard overview 1.2.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! The edge with external ports goes to the chassis. Place this side towards the rear of the chassis as indicated in the image below. 1.2.2 Screw holes Place six screws into the chassis in the correct orientation.
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... CHASSIS) 5. Clear RTC RAM (3-pin CLRTC) 1-14 6. SATA 3.0Gb/s connectors (7-pin SATA6G_1~4) 1-19 1.3 Central Processing Unit (CPU) This motherboard comes with an AM3 socket designed for the AM3 socket. Ensure that the socket lever is lifted up to a 90°-100° angle. Locate...CPU fits in completely. 1-4 Chapter 1: Product introduction DO NOT force the CPU into the socket to a 90°-100° angle; M4A78LT PLUS M4A78LT PLUS CPU socket AM3 2. AM3 CPU socket 1-4 12. The AM3 socket has a different pinout from the AM2+/AM2 socket. Front panel audio connector...
... CHASSIS) 5. Clear RTC RAM (3-pin CLRTC) 1-14 6. SATA 3.0Gb/s connectors (7-pin SATA6G_1~4) 1-19 1.3 Central Processing Unit (CPU) This motherboard comes with an AM3 socket designed for the AM3 socket. Ensure that the socket lever is lifted up to a 90°-100° angle. Locate...CPU fits in completely. 1-4 Chapter 1: Product introduction DO NOT force the CPU into the socket to a 90°-100° angle; M4A78LT PLUS M4A78LT PLUS CPU socket AM3 2. AM3 CPU socket 1-4 12. The AM3 socket has a different pinout from the AM2+/AM2 socket. Front panel audio connector...
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... to the CPU_FAN connector on the side tab to section 1.6.2 Installing heatsink and fan for instructions. Connect the CPU fan cable to secure the CPU. ASUS M4A78LT PLUS 1-5 Gold triangle 7. When the CPU is locked. 6. You can occur if you fail to plug this connector. Position the CPU above the socket ...comes with a small triangle. 4. Carefully insert the CPU into the socket to connect the CPU fan connector! Small triangle 5. The lever clicks on the motherboard. Hardware monitoring errors can also refer to indicate that it fits in one correct orientation. 3.
... to the CPU_FAN connector on the side tab to section 1.6.2 Installing heatsink and fan for instructions. Connect the CPU fan cable to secure the CPU. ASUS M4A78LT PLUS 1-5 Gold triangle 7. When the CPU is locked. 6. You can occur if you fail to plug this connector. Position the CPU above the socket ...comes with a small triangle. 4. Carefully insert the CPU into the socket to connect the CPU fan connector! Small triangle 5. The lever clicks on the motherboard. Hardware monitoring errors can also refer to indicate that it fits in one correct orientation. 3.
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...location of the retention bracket to prevent installation on a DDR2 DIMM socket. 3. Push down the retention bracket lock on the motherboard labeled CPU_FAN. Ensure that the retention bracket is in place. A DDR3 module has the same physical dimensions as a DDR2 DIMM... Modules (DIMM) sockets. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M4A78LT PLUS Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 M4A78LT PLUS 240-pin DDR3 DIMM sockets ASUS M4A78LT PLUS 1-7 A clicking sound denotes that the fan and heatsink assembly perfectly fits the retention mechanism ...
...location of the retention bracket to prevent installation on a DDR2 DIMM socket. 3. Push down the retention bracket lock on the motherboard labeled CPU_FAN. Ensure that the retention bracket is in place. A DDR3 module has the same physical dimensions as a DDR2 DIMM... Modules (DIMM) sockets. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M4A78LT PLUS Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 M4A78LT PLUS 240-pin DDR3 DIMM sockets ASUS M4A78LT PLUS 1-7 A clicking sound denotes that the fan and heatsink assembly perfectly fits the retention mechanism ...
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...to DDR3 1333MHz. • Due to support a full memory load (2 DIMMs) or overclocking condition. J1108EDSE-DJ-F - M4A78LT PLUS Motherboard Qualified Vendors Lists (QVL) DDR3-1066MHz capability Vendors Part No. Size Crucial Crucial Crucial Crucial CT12864BA1067.8FF 1GB CT12872BA1067.9FF .... • The default memory operation frequency is dependent on the motherboard, the actual usable memory for single-channel operation. • Always install DIMMs with the same CAS latency. With ASUS design, this motherboard can be about 3GB or less. For effective use a more ...
...to DDR3 1333MHz. • Due to support a full memory load (2 DIMMs) or overclocking condition. J1108EDSE-DJ-F - M4A78LT PLUS Motherboard Qualified Vendors Lists (QVL) DDR3-1066MHz capability Vendors Part No. Size Crucial Crucial Crucial Crucial CT12864BA1067.8FF 1GB CT12872BA1067.9FF .... • The default memory operation frequency is dependent on the motherboard, the actual usable memory for single-channel operation. • Always install DIMMs with the same CAS latency. With ASUS design, this motherboard can be about 3GB or less. For effective use a more ...
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... in only one direction. Locked Retaining Clip 4. 1.4.3 Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. ASUS M4A78LT PLUS 1-11 DO NOT force a DIMM into the socket until the retaining clips snap back in place 3 and the DIMM is keyed with screws.... the two bundled iCafe Memory Anti-theft locks to unlock a DIMM socket. 2. iCafe Memory Anti-theft The two plastic locks at both the motherboard and the components. 1. This special design prevents easy pilfering of the 4 DIMM slots, then secure them with a notch so that the notch...
... in only one direction. Locked Retaining Clip 4. 1.4.3 Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. ASUS M4A78LT PLUS 1-11 DO NOT force a DIMM into the socket until the retaining clips snap back in place 3 and the DIMM is keyed with screws.... the two bundled iCafe Memory Anti-theft locks to unlock a DIMM socket. 2. iCafe Memory Anti-theft The two plastic locks at both the motherboard and the components. 1. This special design prevents easy pilfering of the 4 DIMM slots, then secure them with a notch so that the notch...
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...cards that comply with PCI specifications. 1.5.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. ASUS M4A78LT PLUS 1-13 See Chapter 2 for the expansion card. Remove the bracket ...opposite the slot that complys with the PCI Express specifications. 1.5.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics slot that you...
...cards that comply with PCI specifications. 1.5.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. ASUS M4A78LT PLUS 1-13 See Chapter 2 for the expansion card. Remove the bracket ...opposite the slot that complys with the PCI Express specifications. 1.5.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics slot that you...
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... module is purchased separately. Connect one end of the connector. Insufficient air flow inside the system may damage the motherboard components. Only the 4-pin CPU fan supports the ASUS Q-Fan feature. 2. See section 2.4.3 Onboard Devices Configuration for a chassis-mounted front panel audio I /O module ... AC`97 audio standard. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND M4A78LT PLUS CHA_FAN GND +12V Rotation M4A78LT PLUS fan connectors DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. These are not jumpers! ASUS M4A78LT PLUS 1-17
... module is purchased separately. Connect one end of the connector. Insufficient air flow inside the system may damage the motherboard components. Only the 4-pin CPU fan supports the ASUS Q-Fan feature. 2. See section 2.4.3 Onboard Devices Configuration for a chassis-mounted front panel audio I /O module ... AC`97 audio standard. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND M4A78LT PLUS CHA_FAN GND +12V Rotation M4A78LT PLUS fan connectors DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. These are not jumpers! ASUS M4A78LT PLUS 1-17
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...of the chassis intrusion sensor or switch cable to use the chassis intrusion detection feature. +5VSB_MB Chassis Signal GND M4A78LT PLUS CHASSIS M4A78LT PLUS Chassis intrusion connector ASUS M4A78LT PLUS 1-21 Remove the jumper caps only when you intend to this connector when a chassis component is for USB... labeled "Chassis Signal" and "Ground" are for a chassis-mounted intrusion detection sensor or switch. 7. Doing so will damage the motherboard! USB connectors (10-1 pin USB78, USB910) These connectors are shorted with USB 2.0 specification that supports up to a slot opening...
...of the chassis intrusion sensor or switch cable to use the chassis intrusion detection feature. +5VSB_MB Chassis Signal GND M4A78LT PLUS CHASSIS M4A78LT PLUS Chassis intrusion connector ASUS M4A78LT PLUS 1-21 Remove the jumper caps only when you intend to this connector when a chassis component is for USB... labeled "Chassis Signal" and "Ground" are for a chassis-mounted intrusion detection sensor or switch. 7. Doing so will damage the motherboard! USB connectors (10-1 pin USB78, USB910) These connectors are shorted with USB 2.0 specification that supports up to a slot opening...
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... • This utility is a utility that comes with the motherboard package. Select the ASUS FTP site nearest you want to avoid network traffic, or click Auto Select then click Next. Installing ASUS Update To install ASUS Update: 1. Place the support DVD into the optical drive.... the support DVD that allows you update the BIOS using this utility. ASUS M4A78LT PLUS 2-1 Updating the BIOS To update the BIOS: 1. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in the future. Chapter 2 BIOS information 2.1 Managing ...
... • This utility is a utility that comes with the motherboard package. Select the ASUS FTP site nearest you want to avoid network traffic, or click Auto Select then click Next. Installing ASUS Update To install ASUS Update: 1. Place the support DVD into the optical drive.... the support DVD that allows you update the BIOS using this utility. ASUS M4A78LT PLUS 2-1 Updating the BIOS To update the BIOS: 1. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is available in the future. Chapter 2 BIOS information 2.1 Managing ...
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... at www.asus.com. Insert the support DVD to the optical drive or the removable device that allows you to ensure system compatibility and stability. Doing so can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. • ... boot failure! Ensure to load the BIOS default settings to restore the BIOS file when it fails or gets corrupted during the updating process. ASUS M4A78LT PLUS 2-3 When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. DO NOT shut down or reset the ...
... at www.asus.com. Insert the support DVD to the optical drive or the removable device that allows you to ensure system compatibility and stability. Doing so can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. • ... boot failure! Ensure to load the BIOS default settings to restore the BIOS file when it fails or gets corrupted during the updating process. ASUS M4A78LT PLUS 2-3 When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file. 4. DO NOT shut down or reset the ...
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... section 2.8 Exit Menu. • The BIOS setup screens in using the first two options. Select the Load Setup Defaults item under the Exit menu. ASUS M4A78LT PLUS 2-7 If the system becomes unstable after POST: • Press ++ simultaneously. • Press the reset button on the system chassis. • Press the...after POST To enter BIOS Setup after changing any BIOS settings, load the default settings to ensure system compatibility and stability. Do this motherboard. They may not exactly match what you in this chapter are for this option only if you do not press , POST continues ...
... section 2.8 Exit Menu. • The BIOS setup screens in using the first two options. Select the Load Setup Defaults item under the Exit menu. ASUS M4A78LT PLUS 2-7 If the system becomes unstable after POST: • Press ++ simultaneously. • Press the reset button on the system chassis. • Press the...after POST To enter BIOS Setup after changing any BIOS settings, load the default settings to ensure system compatibility and stability. Do this motherboard. They may not exactly match what you in this chapter are for this option only if you do not press , POST continues ...
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...CPU / MB Temperature [xxxºC/xxxºF] or [Ignored] The onboard hardware monitor automatically detects and displays the motherboard and CPU temperatures. If the fan is included in rotations per minute (RPM). ASUS M4A78LT PLUS 2-17 Configuration options: [Disabled] [Space Bar] [Power Key] [Ctrl - Select [Ignored] if you do not... Controller (APIC). Configuration options: [Disabled] [Enabled] Power on From S5 By RTC Alarm [Disabled] Enables or disables RTC to the motherboard, the field shows N/A. Esc] Power on state, whatever the system state was before the AC power loss.
...CPU / MB Temperature [xxxºC/xxxºF] or [Ignored] The onboard hardware monitor automatically detects and displays the motherboard and CPU temperatures. If the fan is included in rotations per minute (RPM). ASUS M4A78LT PLUS 2-17 Configuration options: [Disabled] [Space Bar] [Power Key] [Ctrl - Select [Ignored] if you do not... Controller (APIC). Configuration options: [Disabled] [Enabled] Power on From S5 By RTC Alarm [Disabled] Enables or disables RTC to the motherboard, the field shows N/A. Esc] Power on state, whatever the system state was before the AC power loss.
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DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont, CA 94539. Representative Person's Name : Steve Chang / President Signature : Date : Mar. ...510)608-4555 hereby declares that the product Product Name : Motherboard Model Number : M4A78LT PLUS Conforms to the following apparatus: Product name : Motherboard Model name : M4A78LT PLUS conform with part 15 of the FCC Rules. Country: TAIWAN Authorized representative in Europe: ASUS COMPUTER GmbH Address, City: HARKORT STR. 21-23, 40880...
DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont, CA 94539. Representative Person's Name : Steve Chang / President Signature : Date : Mar. ...510)608-4555 hereby declares that the product Product Name : Motherboard Model Number : M4A78LT PLUS Conforms to the following apparatus: Product name : Motherboard Model name : M4A78LT PLUS conform with part 15 of the FCC Rules. Country: TAIWAN Authorized representative in Europe: ASUS COMPUTER GmbH Address, City: HARKORT STR. 21-23, 40880...