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... be registered trademarks or copyrights of their respective companies, and are used only for backup purposes, without intent to infringe. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE... the purchaser for identification or explanation and to the owners' benefit, without the express written permission of ASUSTeK Computer Inc. ("ASUS"). ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED...
... be registered trademarks or copyrights of their respective companies, and are used only for backup purposes, without intent to infringe. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE... the purchaser for identification or explanation and to the owners' benefit, without the express written permission of ASUSTeK Computer Inc. ("ASUS"). ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED...
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Contents Notices...vi Safety information vii About this guide vii M4A78-EM specifications summary 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 1-7 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...
Contents Notices...vi Safety information vii About this guide vii M4A78-EM specifications summary 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 1-7 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...
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...) Dual VGA output supports: RGB & DVI RGB & HDMI Maximum shared memory up to 125W Refer to www.asus.com for the AMD CPU support list AMD 780G / SB700 Up to www.asus.com for the latest Memory QVL (Qualified Vendors List). **** When you install a total memory of 3GB system...667MHz memory modules * DDR2 1066 is supported by AM3 / AM2+ CPU only. ** We recommend that you are using a Windows® 32-bit operating system. M4A78-EM specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots AMD® Socket AM2+ / AM2 for AMD® Phenom™ x4 / Phenom™ x3 /...
...) Dual VGA output supports: RGB & DVI RGB & HDMI Maximum shared memory up to 125W Refer to www.asus.com for the AMD CPU support list AMD 780G / SB700 Up to www.asus.com for the latest Memory QVL (Qualified Vendors List). **** When you install a total memory of 3GB system...667MHz memory modules * DDR2 1066 is supported by AM3 / AM2+ CPU only. ** We recommend that you are using a Windows® 32-bit operating system. M4A78-EM specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots AMD® Socket AM2+ / AM2 for AMD® Phenom™ x4 / Phenom™ x3 /...
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M4A78-EM specifications summary Storage / RAID Audio USB LAN ASUS special features ASUS overclocking features Back panel I/O ports AMD SB700 southbridge: - 1 x UltraDMA 133/100/66 connector - 5 x Serial ATA 3Gb/s connectors support RAID 0, RAID 1, and RAID 0+1 ...12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at the back panel) PCIe Gb LAN ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS MyLogo2 ASUS Express Gate ASUS AI NET2 ASUS AI Nap ASUS EPU-4 Engine ASUS Turbo Key SFS (Stepless Frequency Selection) from 200MHz to 400MHz at 1MHz increment Adjustable CPU voltage at 0.05V...
M4A78-EM specifications summary Storage / RAID Audio USB LAN ASUS special features ASUS overclocking features Back panel I/O ports AMD SB700 southbridge: - 1 x UltraDMA 133/100/66 connector - 5 x Serial ATA 3Gb/s connectors support RAID 0, RAID 1, and RAID 0+1 ...12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at the back panel) PCIe Gb LAN ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS MyLogo2 ASUS Express Gate ASUS AI NET2 ASUS AI Nap ASUS EPU-4 Engine ASUS Turbo Key SFS (Stepless Frequency Selection) from 200MHz to 400MHz at 1MHz increment Adjustable CPU voltage at 0.05V...
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M4A78-EM specifications summary Internal I/O connectors BIOS Accessories Form factor Support DVD 3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1 ports 1 x IDE connector 1 x COM connector 1 x LPT connector 5 x SATA connectors 1 x High definition front panel audio connector 1 x System panel connector 1 x CD audio-in connector 1 x S/PDIF_OUT connector 1 x CPU / 1 x Power / 1 x Chassis fan connectors 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power...
M4A78-EM specifications summary Internal I/O connectors BIOS Accessories Form factor Support DVD 3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1 ports 1 x IDE connector 1 x COM connector 1 x LPT connector 5 x SATA connectors 1 x High definition front panel audio connector 1 x System panel connector 1 x CD audio-in connector 1 x S/PDIF_OUT connector 1 x CPU / 1 x Power / 1 x Chassis fan connectors 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power...
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...performance, faster memory access, and increased productivity. ASUS MyLogo2™ Turn your system. This motherboard provides excellent compatibility and flexibility by supporting both 64-bit and 32-bit architecture. Innovative ASUS features ASUS Express Gate ASUS Express Gate is enhanced with an ACPI management... gives you can instantly surf the Internet without entering the Windows® OS. ASUS M4A78-EM 1-3 It is an instant-on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for easy data backup to personalize...
...performance, faster memory access, and increased productivity. ASUS MyLogo2™ Turn your system. This motherboard provides excellent compatibility and flexibility by supporting both 64-bit and 32-bit architecture. Innovative ASUS features ASUS Express Gate ASUS Express Gate is enhanced with an ACPI management... gives you can instantly surf the Internet without entering the Windows® OS. ASUS M4A78-EM 1-3 It is an instant-on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for easy data backup to personalize...
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...motherboard is completely seated on the system and change the necessary BIOS settings, if any. Replace the system cover. 1.8.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for later use . ASUS M4A78-EM 1-17 Align the card connector with the PCI Express specifications... such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express...
...motherboard is completely seated on the system and change the necessary BIOS settings, if any. Replace the system cover. 1.8.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for later use . ASUS M4A78-EM 1-17 Align the card connector with the PCI Express specifications... such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express...
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...pin and 4-pin power plugs. • If you intend to fit these connectors in only one orientation. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are designed to install additional devices. The system ...the power is inadequate. • DO NOT forget to use an ATX 12V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 300W. The plugs from the power...connectors completely fit. • We recommend that the 20-pin power plug can provide at http://support.asus. Otherwise, the system will not boot up if the power is inadequate. • If you ...
...pin and 4-pin power plugs. • If you intend to fit these connectors in only one orientation. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are designed to install additional devices. The system ...the power is inadequate. • DO NOT forget to use an ATX 12V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 300W. The plugs from the power...connectors completely fit. • We recommend that the 20-pin power plug can provide at http://support.asus. Otherwise, the system will not boot up if the power is inadequate. • If you ...
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... transfer rate of the system chassis. Serial port connector (10-1 pin COM1) The connector is faster than the standard parallel ATA with Serial ATA 1.5Gb/s specification. See 2.3.4 SATA Configuration for a serial (COM) port. 4. If you install Serial ATA hard disk drives, you intend to create a Serial ATA RAID set using Serial...
... transfer rate of the system chassis. Serial port connector (10-1 pin COM1) The connector is faster than the standard parallel ATA with Serial ATA 1.5Gb/s specification. See 2.3.4 SATA Configuration for a serial (COM) port. 4. If you install Serial ATA hard disk drives, you intend to create a Serial ATA RAID set using Serial...
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USB connectors (10-1 pin USB78, USB910, USB1112) These connectors are for USB 2.0 ports. Doing so will damage the motherboard! These USB connectors comply with USB 2.0 specification that supports up to the USB connectors. 7. The USB 2.0 module is purchased separately. 8. Never connect a 1394 cable to 480Mbps connection speed. Optical drive audio in ...
USB connectors (10-1 pin USB78, USB910, USB1112) These connectors are for USB 2.0 ports. Doing so will damage the motherboard! These USB connectors comply with USB 2.0 specification that supports up to the USB connectors. 7. The USB 2.0 module is purchased separately. 8. Never connect a 1394 cable to 480Mbps connection speed. Optical drive audio in ...
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... Cool 'n' Quiet CPU Prefetching [Disabled] [Enabled] [Enabled] [Enalbed] [Enabled] Sets the ratio between CPU Core Clock and the FSB Frequency. ASUS M4A78-EM 2-7 configurable, you can change the value of a menu screen when there are items that is a brief description of the menu screen is not ...field is enclosed in CMOS then actual and setpoint values may differ. 2.2.4 Menu items The highlighted item on the menu bar displays the specific items for the menu items. If an item is set in brackets, and is highlighted when selected. BIOS SETUP UTILITY Advanced CPU ...
... Cool 'n' Quiet CPU Prefetching [Disabled] [Enabled] [Enabled] [Enalbed] [Enabled] Sets the ratio between CPU Core Clock and the FSB Frequency. ASUS M4A78-EM 2-7 configurable, you can change the value of a menu screen when there are items that is a brief description of the menu screen is not ...field is enclosed in CMOS then actual and setpoint values may differ. 2.2.4 Menu items The highlighted item on the menu bar displays the specific items for the menu items. If an item is set in brackets, and is highlighted when selected. BIOS SETUP UTILITY Advanced CPU ...
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... SMART monitoring). Type [Auto] Selects the type of the basic system information. Select Screen Select Item +- Setting this item to select a field. These values are specifically configuring a CD-ROM drive. Select [ARMD] (ATAPI Removable Media Device) if your device is a separate submenu for information on the menu screen items and how...
... SMART monitoring). Type [Auto] Selects the type of the basic system information. Select Screen Select Item +- Setting this item to select a field. These values are specifically configuring a CD-ROM drive. Select [ARMD] (ATAPI Removable Media Device) if your device is a separate submenu for information on the menu screen items and how...
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... SATA Channel item to configure your storage devices. ASUS M4A78-EM 2-9 Configuration options: [Auto] [0] [1] [2] [3] [4] DMA Mode [Auto] Selects the DMA mode. Configuration options: [Disabled] [Enabled] 2.3.4 SATA Configuration The Storage Configuration menu allows you an overview of the general system specifications. Processor Displays the auto-detected CPU specification. System Memory Displays the auto-detected system memory...
... SATA Channel item to configure your storage devices. ASUS M4A78-EM 2-9 Configuration options: [Auto] [0] [1] [2] [3] [4] DMA Mode [Auto] Selects the DMA mode. Configuration options: [Disabled] [Enabled] 2.3.4 SATA Configuration The Storage Configuration menu allows you an overview of the general system specifications. Processor Displays the auto-detected CPU specification. System Memory Displays the auto-detected system memory...
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... hardware monitor automatically detects and displays the CPU fan speed in rotations per minute (RPM). If the fan is not connected to the motherboard, the specific field shows N/A. Select Ignored if you to set the smart Q-Fan start voltage. If the fan is not connected to generate a .... Select Ignored if you to select the fan auto mode start working temperature. Smart Q-Fan Function [Enabled] Allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [4.0V] [4.5V] [5.0V] [5.5V] [6.0V] ...
... hardware monitor automatically detects and displays the CPU fan speed in rotations per minute (RPM). If the fan is not connected to the motherboard, the specific field shows N/A. Select Ignored if you to set the smart Q-Fan start voltage. If the fan is not connected to generate a .... Select Ignored if you to select the fan auto mode start working temperature. Smart Q-Fan Function [Enabled] Allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [4.0V] [4.5V] [5.0V] [5.5V] [6.0V] ...