User Manual
Page 4
... Chapter 2 BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 Creating a bootable floppy disk 2-1 2.1.2 ASUS Update utility 2-2 2.1.3 ASUS EZ Flash 2 utility 2-3 2.1.4 AFUDOS utility 2-4 2.1.5 ASUS CrashFree BIOS 3 utility 2-5 2.2 BIOS setup program 2-6 2.2.1 BIOS menu screen 2-7 2.2.2 Menu bar 2-7 ... 2-10 2.3.6 Storage Configuration 2-11 2.3.7 System Information 2-11 2.4 Ai Tweaker menu 2-12 2.4.1 AI Overclocking 2-12 2.4.2 DRAM Frequency Control 2-12 2.4.3 HT Link Speed 2-13 2.4.4 Processor Voltage 2-15 2.4.5 CPU/NB Voltage 2-15 2.4.6 CPU ...
... Chapter 2 BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 Creating a bootable floppy disk 2-1 2.1.2 ASUS Update utility 2-2 2.1.3 ASUS EZ Flash 2 utility 2-3 2.1.4 AFUDOS utility 2-4 2.1.5 ASUS CrashFree BIOS 3 utility 2-5 2.2 BIOS setup program 2-6 2.2.1 BIOS menu screen 2-7 2.2.2 Menu bar 2-7 ... 2-10 2.3.6 Storage Configuration 2-11 2.3.7 System Information 2-11 2.4 Ai Tweaker menu 2-12 2.4.1 AI Overclocking 2-12 2.4.2 DRAM Frequency Control 2-12 2.4.3 HT Link Speed 2-13 2.4.4 Processor Voltage 2-15 2.4.5 CPU/NB Voltage 2-15 2.4.6 CPU ...
User Manual
Page 10
...x USB 2.0 /1.1 ports (8 at mid-board; 4 on the next page) ASUS Fanless Design: Feather heatsink solution - ASUS Q-Fan 2 ASUS EZ DIY - ASUS CrashFree BIOS 3 - M4A78 PRO specifications summary Storage LAN High Definition Audio USB ASUS Unique Features Special Features 1 x Ultra DMA 133/100/66 for up to 2 PATA ...;t�b��a�c�k��I/�O� - Profile - ASUS MyLogo 2™ AMD OverDrive Support* * Advanced cooling system is required when advanced overclock functions of AMD OverDrive are enabled. (continued on the rear panel...
...x USB 2.0 /1.1 ports (8 at mid-board; 4 on the next page) ASUS Fanless Design: Feather heatsink solution - ASUS Q-Fan 2 ASUS EZ DIY - ASUS CrashFree BIOS 3 - M4A78 PRO specifications summary Storage LAN High Definition Audio USB ASUS Unique Features Special Features 1 x Ultra DMA 133/100/66 for up to 2 PATA ...;t�b��a�c�k��I/�O� - Profile - ASUS MyLogo 2™ AMD OverDrive Support* * Advanced cooling system is required when advanced overclock functions of AMD OverDrive are enabled. (continued on the rear panel...
User Manual
Page 11
...: - PCIe frequency tuning from 200MHz up to 150MHz at 50mv increment - M4A78 PRO specifications summary ASUS Exclusive Overclocking Features Rear panel I/O ports Internal I /O 4 x USB connectors support additional 8 USB ports 1 x Floppy disk drive connector 1 x COM... x CD audio in 1 x 24-pin ATX Power connector 1 x 4-pin ATX 12V Power connector 1 x System Panel (Q-Connector) (continued on the next page) xi FSB tuning from 100MHz to 600MHz at 1MHz increment - AI Overclocking (Intelligent CPU Frequency Tuner) - ASUS TurboV - ASUS C.P.R. (CPU Parameter Recall) 1 x PS...
...: - PCIe frequency tuning from 200MHz up to 150MHz at 50mv increment - M4A78 PRO specifications summary ASUS Exclusive Overclocking Features Rear panel I/O ports Internal I /O 4 x USB connectors support additional 8 USB ports 1 x Floppy disk drive connector 1 x COM... x CD audio in 1 x 24-pin ATX Power connector 1 x 4-pin ATX 12V Power connector 1 x System Panel (Q-Connector) (continued on the next page) xi FSB tuning from 100MHz to 600MHz at 1MHz increment - AI Overclocking (Intelligent CPU Frequency Tuner) - ASUS TurboV - ASUS C.P.R. (CPU Parameter Recall) 1 x PS...
User Manual
Page 13
...™ X3 / Athlon™ X2 processors (socket AM3) This motherboard supports AMD® AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with the list below. 1.2 Package contents Check your motherboard package for buying an ASUS® M4A78 PRO motherboard! Chapter 1: Product introduction 1-1 This motherboard also supports AMD® CPUs in the new 45nm...
...™ X3 / Athlon™ X2 processors (socket AM3) This motherboard supports AMD® AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with the list below. 1.2 Package contents Check your motherboard package for buying an ASUS® M4A78 PRO motherboard! Chapter 1: Product introduction 1-1 This motherboard also supports AMD® CPUs in the new 45nm...
User Manual
Page 14
...overclocking ability. ASUS EPU The ASUS EPU (Energy Processing Unit) provides total system energy efficiency by detecting current PC loadings and intelligently moderating power in 3D graphics and other memory demanding applications. It automatically provides the most appropriate power usage for the Hybrid CrossfireX selected GPUs. 1.3.2 Innovative ASUS features ASUS Power Solution ASUS... 4+1 Phase Power Design To fully unleash the next-generation AM3 CPU's potential, ASUS M4A78 PRO motherboard has adopted a brand-new...
...overclocking ability. ASUS EPU The ASUS EPU (Energy Processing Unit) provides total system energy efficiency by detecting current PC loadings and intelligently moderating power in 3D graphics and other memory demanding applications. It automatically provides the most appropriate power usage for the Hybrid CrossfireX selected GPUs. 1.3.2 Innovative ASUS features ASUS Power Solution ASUS... 4+1 Phase Power Design To fully unleash the next-generation AM3 CPU's potential, ASUS M4A78 PRO motherboard has adopted a brand-new...
User Manual
Page 15
...the PC power button into a physical overclocking button. ASUS TurboV Feel the adrenaline rush of real-time O.C.-now a reality with friends, or quickly check on the system configuration. It's a unique motherboard built-in different scenarios. ASUS Turbo Key ASUS Turbo Key allows the user to the ... Messengers (IM) like MSN, Skype, Google talk, QQ, and Yahoo! ASUS EZ O.C. More, the ASUS OC Profiles in touch with the ASUS TurboV. What's more, the user-friendly picture manager lets you to overclock without interrupting ongoing work or games-with ust a few clicks away. Chapter ...
...the PC power button into a physical overclocking button. ASUS TurboV Feel the adrenaline rush of real-time O.C.-now a reality with friends, or quickly check on the system configuration. It's a unique motherboard built-in different scenarios. ASUS Turbo Key ASUS Turbo Key allows the user to the ... Messengers (IM) like MSN, Skype, Google talk, QQ, and Yahoo! ASUS EZ O.C. More, the ASUS OC Profiles in touch with the ASUS TurboV. What's more, the user-friendly picture manager lets you to overclock without interrupting ongoing work or games-with ust a few clicks away. Chapter ...
User Manual
Page 22
... same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to support a full memory load (4 DIMMs) or overclocking condition. 1-10 ASUS M4A78 PRO For effective use a more memory installed on the motherboard. • This motherboard does not support DIMMs made up of 256 megabit (Mb) chips or less. • The default memory operation frequency...
... same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to support a full memory load (4 DIMMs) or overclocking condition. 1-10 ASUS M4A78 PRO For effective use a more memory installed on the motherboard. • This motherboard does not support DIMMs made up of 256 megabit (Mb) chips or less. • The default memory operation frequency...
User Manual
Page 29
... behavior, AC power off and on pins 2-3 for about 5~10 seconds, then move the jumper again to re-enter data. For system failure due to overclocking. Shut down the key during the boot process and enter BIOS setup to clear the CMOS RTC RAM data. To erase the RTC RAM 1. Plug... the cap will cause system boot failure! • If the steps above do not need to clear the RTC when the system hangs due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. The onboard button cell battery powers the RAM data in CMOS. Hold down and reboot the system so the...
... behavior, AC power off and on pins 2-3 for about 5~10 seconds, then move the jumper again to re-enter data. For system failure due to overclocking. Shut down the key during the boot process and enter BIOS setup to clear the CMOS RTC RAM data. To erase the RTC RAM 1. Plug... the cap will cause system boot failure! • If the steps above do not need to clear the RTC when the system hangs due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. The onboard button cell battery powers the RAM data in CMOS. Hold down and reboot the system so the...
User Manual
Page 51
...bar on top of the screen has the following main items: Main For changing the basic system configuration Ai Tweaker For changing the overclocking settings Advanced For changing the advanced system settings Power For changing the advanced power management (APM) configuration Boot For changing the system ...To select an item on the menu bar, press the right or left arrow key on your screen. • Visit the ASUS website at www.asus.com to download the latest BIOS information. 2.2.1 BIOS menu screen Menu items Menu bar Configuration fields General help BIOS SETUP UTILITY ...
...bar on top of the screen has the following main items: Main For changing the basic system configuration Ai Tweaker For changing the overclocking settings Advanced For changing the advanced system settings Power For changing the advanced power management (APM) configuration Boot For changing the system ...To select an item on the menu bar, press the right or left arrow key on your screen. • Visit the ASUS website at www.asus.com to download the latest BIOS information. 2.2.1 BIOS menu screen Menu items Menu bar Configuration fields General help BIOS SETUP UTILITY ...
User Manual
Page 56
...internal frequency. Configuration options: [Manual] [Auto] The following items vary depending on the CPU and memory modules you install on the motherboard. Use the and keys to [Manual]. PCIE Frequency [XXX] Use the and keys to adjust the ratio between CPU Core Clock ... [Auto] Allows you to 600. Configuration options: [Auto] [Manual] 2-12 ASUS M4A78 PRO Change Field F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2008, American Megatrends, Inc. 2.4.1 AI Overclocking [Auto] Allows selection of the following three (3) items appear only when you set...
...internal frequency. Configuration options: [Manual] [Auto] The following items vary depending on the CPU and memory modules you install on the motherboard. Use the and keys to [Manual]. PCIE Frequency [XXX] Use the and keys to adjust the ratio between CPU Core Clock ... [Auto] Allows you to 600. Configuration options: [Auto] [Manual] 2-12 ASUS M4A78 PRO Change Field F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2008, American Megatrends, Inc. 2.4.1 AI Overclocking [Auto] Allows selection of the following three (3) items appear only when you set...
User Manual
Page 57
...] [Address bits 6] [Address bits 12] [XOR of Address bits [20:16, 6] [XOR of the following items vary depending on the motherboard. The configuration options for some of Address bits [20:16, 9]] MemClk Tristate C3/ATLVID [Disabled] Allows you enable the Power Down Enable item...selection of the CPU frequency multiplier. Configuration options: [Channel] [Chip Select] DRAM Timing Configuration This item appears only when you set the AI Overclocking item to [Manual] and allows you to enable or disable memory remapping around memory hole. Configuration options: [Auto] [200 MHz] [400 MHz...
...] [Address bits 6] [Address bits 12] [XOR of Address bits [20:16, 6] [XOR of the following items vary depending on the motherboard. The configuration options for some of Address bits [20:16, 9]] MemClk Tristate C3/ATLVID [Disabled] Allows you enable the Power Down Enable item...selection of the CPU frequency multiplier. Configuration options: [Channel] [Chip Select] DRAM Timing Configuration This item appears only when you set the AI Overclocking item to [Manual] and allows you to enable or disable memory remapping around memory hole. Configuration options: [Auto] [200 MHz] [400 MHz...
User Manual
Page 60
... options: [Disabled] [Enabled] 2-16 ASUS M4A78 PRO 2.4.6 CPU VDDA Voltage [Auto] Allows you to set the NorthBridge 1.8V voltage. Configuration options: [Disabled] [Enabled] 2.4.13 PCIE Spread Spectrum [Enabled] Set to [Disabled] to enhance FSB overclocking ability or [Enabled] for EMI control.... The values range from 1.30V to 1.60V with a 0.15V interval. 2.4.12 CPU Spread Spectrum [Enabled] Set to [Disabled] to enhance PCIE overclocking ability or [Enabled] for system stability.
... options: [Disabled] [Enabled] 2-16 ASUS M4A78 PRO 2.4.6 CPU VDDA Voltage [Auto] Allows you to set the NorthBridge 1.8V voltage. Configuration options: [Disabled] [Enabled] 2.4.13 PCIE Spread Spectrum [Enabled] Set to [Disabled] to enhance FSB overclocking ability or [Enabled] for EMI control.... The values range from 1.30V to 1.60V with a 0.15V interval. 2.4.12 CPU Spread Spectrum [Enabled] Set to [Disabled] to enhance PCIE overclocking ability or [Enabled] for system stability.