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... benefit, without the express written permission of their respective companies, and are used only for backup purposes, without intent to infringe. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED ...Copyright © 2009 ASUSTeK Computer Inc. Product warranty or service will not be registered trademarks or copyrights of ASUSTeK Computer Inc. ("ASUS"). SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,...
... benefit, without the express written permission of their respective companies, and are used only for backup purposes, without intent to infringe. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED ...Copyright © 2009 ASUSTeK Computer Inc. Product warranty or service will not be registered trademarks or copyrights of ASUSTeK Computer Inc. ("ASUS"). SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,...
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Contents Contents...iii Notices...v Safety information vi About this guide vi M4N78 PRO specifications summary viii Chapter 1 Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.4 Before you proceed 1-3 1.5 Motherboard overview 1-4 1.5.1 Placement direction 1-4 1.5.2 Screw holes 1-4 1.5.3 Motherboard layout 1-5 1.5.4 Layout contents 1-5 1.6 Central Processing Unit (CPU 1-6 1.6.1 Installing the CPU 1-6 1.6.2 Installing the heatsink and fan 1-7 1.7 System memory 1-9 1.7.1 Overview 1-9 1.7.2 Memory configurations 1-9 1.7.3 ...
Contents Contents...iii Notices...v Safety information vi About this guide vi M4N78 PRO specifications summary viii Chapter 1 Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.4 Before you proceed 1-3 1.5 Motherboard overview 1-4 1.5.1 Placement direction 1-4 1.5.2 Screw holes 1-4 1.5.3 Motherboard layout 1-5 1.5.4 Layout contents 1-5 1.6 Central Processing Unit (CPU 1-6 1.6.1 Installing the CPU 1-6 1.6.2 Installing the heatsink and fan 1-7 1.7 System memory 1-9 1.7.1 Overview 1-9 1.7.2 Memory configurations 1-9 1.7.3 ...
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... for AM3 / AM2+ CPU 2000 / 1600 MT/s for Windows® Vista™ only) - Refer to www.asus.com or this user manual for one DIMM per channel only. Integrated NVIDIA® GeForce® 8 series GPU - M4N78 PRO specifications summary CPU Chipset System bus Memory VGA Expansion Slots LAN USB AMD® Phenom™ X4...
... for AM3 / AM2+ CPU 2000 / 1600 MT/s for Windows® Vista™ only) - Refer to www.asus.com or this user manual for one DIMM per channel only. Integrated NVIDIA® GeForce® 8 series GPU - M4N78 PRO specifications summary CPU Chipset System bus Memory VGA Expansion Slots LAN USB AMD® Phenom™ X4...
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... tuning from 100MHz to 600MHz at 1MHz increment Overclocking protection: - PCIe frequency tuning from 200MHz up to 200MHz at 2MHz increment - M4N78 PRO specifications summary Storage High Definition Audio ASUS Unique Features Special Features ASUS Exclusive Overclocking Features NVIDIA GeForce 8300 - 1 x Ultra DMA 133/100 - 6 x SATA 3.0 Gb/s connectors (Legacy IDE operation is supported by AM3...
... tuning from 100MHz to 600MHz at 1MHz increment Overclocking protection: - PCIe frequency tuning from 200MHz up to 200MHz at 2MHz increment - M4N78 PRO specifications summary Storage High Definition Audio ASUS Unique Features Special Features ASUS Exclusive Overclocking Features NVIDIA GeForce 8300 - 1 x Ultra DMA 133/100 - 6 x SATA 3.0 Gb/s connectors (Legacy IDE operation is supported by AM3...
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M4N78 PRO specifications summary Rear panel I/O ports Internal I/O connectors BIOS features Support DVD contents Form factor 1 x PS/2 keyboard port (purple) 1 x PS/2 mouse port (green) 1 x S/PDIF Out (Optical) 1 x HDMI ... in 1 x 24-pin ATX Power connector 1 x 4-pin ATX 12V Power connector 1 x System Panel (Q-Connector) 8 Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0, ASUS EZ Flash 2 Drivers Express Gate ASUS PC Probe II ASUS Update Anti-Virus Utility (OEM version) ATX form factor: 12 in x 9.6 in (30.5 cm x 24.4 cm) *Specifications are subject to change...
M4N78 PRO specifications summary Rear panel I/O ports Internal I/O connectors BIOS features Support DVD contents Form factor 1 x PS/2 keyboard port (purple) 1 x PS/2 mouse port (green) 1 x S/PDIF Out (Optical) 1 x HDMI ... in 1 x 24-pin ATX Power connector 1 x 4-pin ATX 12V Power connector 1 x System Panel (Q-Connector) 8 Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0, ASUS EZ Flash 2 Drivers Express Gate ASUS PC Probe II ASUS Update Anti-Virus Utility (OEM version) ATX form factor: 12 in x 9.6 in (30.5 cm x 24.4 cm) *Specifications are subject to change...
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...or that came with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that they support. Keep the screw for the card. 2. Align the card connector with the PCI Express specifications. 1-14 ASUS M4N78 PRO Replace the system cover. 1.8.2 Configuring ...slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with it by adjusting the software settings...
...or that came with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that they support. Keep the screw for the card. 2. Align the card connector with the PCI Express specifications. 1-14 ASUS M4N78 PRO Replace the system cover. 1.8.2 Configuring ...slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with it by adjusting the software settings...
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... serial port bracket (COM1) is inadequate. • If you use an ATX 12 V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 300 W power rating. Otherwise, the system will not boot up if the power is purchased separately. 1-20 ASUS M4N78 PRO This PSU type has 24-pin and 4-pin power plugs. • If...
... serial port bracket (COM1) is inadequate. • If you use an ATX 12 V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 300 W power rating. Otherwise, the system will not boot up if the power is purchased separately. 1-20 ASUS M4N78 PRO This PSU type has 24-pin and 4-pin power plugs. • If...
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...to the signal connector at the back of the system chassis. Doing so will damage the motherboard! Floppy disk drive connector (34-1 pin FLOPPY) This connector is purchased separately. 1-24 ASUS M4N78 PRO USB connectors (10-1 pin USB56, USB78, USB910, USB1112) These connectors are for a... Floppy Disk Drive (FDD) signal cable. Insert one end of the cable to this connector, then connect the other end to prevent incorrect cable connection when using an FDD cable with USB 2.0 specification...
...to the signal connector at the back of the system chassis. Doing so will damage the motherboard! Floppy disk drive connector (34-1 pin FLOPPY) This connector is purchased separately. 1-24 ASUS M4N78 PRO USB connectors (10-1 pin USB56, USB78, USB910, USB1112) These connectors are for a... Floppy Disk Drive (FDD) signal cable. Insert one end of the cable to this connector, then connect the other end to prevent incorrect cable connection when using an FDD cable with USB 2.0 specification...
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... the value of a field, select it then press to display a pop-up window 2-8 ASUS M4N78 PRO Use [+] or [-] to select a field. For example, selecting Main shows the Main menu items. The other items on the menu bar displays the specific items for that particular menu. You cannot select an item that is a brief description...
... the value of a field, select it then press to display a pop-up window 2-8 ASUS M4N78 PRO Use [+] or [-] to select a field. For example, selecting Main shows the Main menu items. The other items on the menu bar displays the specific items for that particular menu. You cannot select an item that is a brief description...
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...Ultra DMA, and SMART monitoring). LBA/Large Mode [Auto] Enables or disables the LBA mode. Configuration options: [Disabled] [Auto] 2-10 ASUS M4N78 PRO When set to [Disabled], the data transfer from and to [Auto] allows automatic selection of the appropriate IDE device type. Configuration options:... [Enabled] Enables or disables 32-bit data transfer. There is either a ZIP, LS-120, or MO drive. These values are specifically configuring a CD-ROM drive. Setting to the device occurs multiple sectors at a time. Setting to display the SATA device information. Select...
...Ultra DMA, and SMART monitoring). LBA/Large Mode [Auto] Enables or disables the LBA mode. Configuration options: [Disabled] [Auto] 2-10 ASUS M4N78 PRO When set to [Disabled], the data transfer from and to [Auto] allows automatic selection of the appropriate IDE device type. Configuration options:... [Enabled] Enables or disables 32-bit data transfer. There is either a ZIP, LS-120, or MO drive. These values are specifically configuring a CD-ROM drive. Setting to the device occurs multiple sectors at a time. Setting to display the SATA device information. Select...
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...auto-detected system memory. 2.4 Ai Tweaker menu The Ai Tweaker menu items allow you an overview of the general system specifications. If the system becomes unstable, return to be auto-adjusted. 2.3.8 System Information This menu gives you to configure overclocking...: [Manual] [Auto] The following items vary depending on the motherboard. The BIOS automatically detects the items in this menu. The default values of CPU overclocking options to [Manual]. 2-12 ASUS M4N78 PRO BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit Configure...
...auto-detected system memory. 2.4 Ai Tweaker menu The Ai Tweaker menu items allow you an overview of the general system specifications. If the system becomes unstable, return to be auto-adjusted. 2.3.8 System Information This menu gives you to configure overclocking...: [Manual] [Auto] The following items vary depending on the motherboard. The BIOS automatically detects the items in this menu. The default values of CPU overclocking options to [Manual]. 2-12 ASUS M4N78 PRO BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit Configure...
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...goes into off state after an AC power loss. Configuration options: [Disabled] [Enabled] 2-22 ASUS M4N78 PRO Configuration options: [Disabled] [Enabled] 2.6.4 APM Configuration Restore on the +5VSB lead. 2.6 Power...items allow you to change the settings for System Suspend. This feature requires an ATX power supply that provides at least 1A on AC Power Loss [Power Off]...function or set to Enabled, the ACPI APIC table pointer is included in the Application-Specific Integrated Circuit (ASIC). BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit Suspend...
...goes into off state after an AC power loss. Configuration options: [Disabled] [Enabled] 2-22 ASUS M4N78 PRO Configuration options: [Disabled] [Enabled] 2.6.4 APM Configuration Restore on the +5VSB lead. 2.6 Power...items allow you to change the settings for System Suspend. This feature requires an ATX power supply that provides at least 1A on AC Power Loss [Power Off]...function or set to Enabled, the ACPI APIC table pointer is included in the Application-Specific Integrated Circuit (ASIC). BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit Suspend...