MotherboardM5A78L/USB3
xM5A78L/USB3 specications summary* Specications are subject to change without notice. ASUS unique featuresCore Unlocker ASUS EPU-4 Engine ASUS Turb
1.2 Package contentsCheck your motherboard package for the following items.Motherboard ASUS M5A78L/USB3 motherboardCables 2 x Serial ATA cablesAcce
AMD® Cool ‘n’ Quiet TechnologyThis motherboard supports the AMD® Cool ‘n’ Quiet technology which monitors system operation and automatically adjusts C
1.3.2 Innovative ASUS featuresCore UnlockerASUS Core Unlocker simplies the activation of a latent AMD® CPU-with just pressing a key. Enjoy an instan
C.P.R. (CPU Parameter Recall)The BIOS C.P.R. feature automatically restores the CPU default settings when the system hangs due to overclocking failure
1.4 Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard settings.• Unplug t
M5A78L/USB31.5 Motherboard overview1.5.1 Placement directionWhen installing the motherboard, ensure that you place it into the chassis in the correc
1.5.3 Motherboard layoutM5A78L/USB3PCIEX16PCIEX1_1PCIEX1_2PCI1PCI2PCI3PRI_IDEUSB56 USB78 USB910AAFPEATXPWRCPU_FANLithium CellCMOS PowerSuperI/OICS9LP
1.5.4 Layout contents1.6 Central Processing Unit (CPU)This motherboard comes with an AM3+ socket designed for FX™ / Phenom™ II / Athlon™ II / Sempro
5. When the CPU is in place, push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked.6. Install
iiE8022Second Edition (V2) January 2013Copyright © 2013 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and s
1.6.2 Installing the heatsink and fanEnsure that you use only AMD-certied heatsink and fan assembly.To install the CPU heatsink and fan:1. Place th
3. Align the other end of the retention bracket to the retention module base. A clicking sound denotes that the retention bracket is in place.Ensure
1.7.2 Memory congurationsYou may install 1GB, 2GB, 4GB, and 8GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets.• You may install varyi
DDR3-1600(O.C.)MHz capabilityVendor Part No. Size SS/DSChip BrandChip NO.CL Voltage DIMM supportA* B* C*OCZ OCZ3P18004GK 4GB(2 x 2GB) DS - - 8-8-8-27
DDR3-1333MHz capabilityVendor Part No. Size SS/ DSChip BrandChip NO.CL Voltage DIMM supportA* B* C*A-Data AD31333001GOU 1GB SS A-Data AD30908C8D-151C
Vendor Part No. Size SS/ DSChip BrandChip NO.CL Voltage DIMM supportA* B* C*OCZ OCZ3P1333LV6GK 6GB(3 x 2GB) DS - - 7-7-7-20 1.65V • • •OCZ OCZ3X1333LV
DDR3-1066MHz capabilitySS: Single-sided / DS: Double-sided DIMM support: • A*: Supports one module inserted into any slot as single-channel memory co
1.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cause severe damage t
1.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that
1.9 Jumpers1. Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, ti
iiiContentsNotices ... viSafety information ...
2. USB device wake-up (3-pin USBPW1-4, USBPW5-10)Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, sy
1.10 Connectors1.10.1 Rear panel ports1. PS/2 Mouse port (green). This port is for a PS/2 mouse.2. Parallel port. This 25-pin port connects a para
7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices.8. USB 3.0 ports 3 and 4. These two 9-pin Univ
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)These connectors are for an ATX power supply. The plugs from the power supply are designed to
3. IDE connector (40-1 pin PRI_IDE)The onboard IDE connector is for Ultra DMA 133/100/66 signal cable. There are three connectors on each Ultra DMA 1
4. Serial ATA connectors (7-pin SATA3G_1~6)These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk and optical disk driv
5. System panel connector (20-8 pin PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PLED)This 2-pin connec
6. USB connectors (10-1 pin USB56, USB78, USB910)These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, the
8. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN)Connect the fan cables to the fan connectors on the motherboard, ensuring that the
1.11 Software support1.11.1 Installing an operating systemThis motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). Always install t
ivContents1.11 Software support ... 1-291.11.1 Installing an operating system .
Chapter 1: Product introduction1-30
ASUS M5A78L/USB3 2-1Chapter 2BIOS information2.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk i
2-2 Chapter 2: BIOS informationASUSTek EZ Flash 2 BIOS ROM Utility V3.44Current ROMUpdate ROMC:NoteFLASH TYPE: WINBOND W25X/Q16PATH: C:\ BOARD: M5A7
ASUS M5A78L/USB3 2-3• This function supports USB ash disks with FAT 32/16 format and single partition only.• DO NOT shut down or reset the system w
2-4 Chapter 2: BIOS information2.2 BIOS setup programUse the BIOS Setup program to update the BIOS or congure its parameters. The BIOS screens inclu
ASUS M5A78L/USB3 2-52.2.1 BIOS menu screen2.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For changing the ba
2-6 Chapter 2: BIOS information2.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting
ASUS M5A78L/USB3 2-72.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system info
2-8 Chapter 2: BIOS informationLBA/Large Mode [Auto]Enables or disables the LBA mode. Setting this item to [Auto] enables the LBA mode if the device s
ASUS M5A78L/USB3 2-92.3.5 System InformationThis menu gives you an overview of the general system specications. The BIOS automatically detects the i
v2.5.4 APM Conguration ... 2-172.5.5 HW Monitor Conguration ...
2-10 Chapter 2: BIOS information2.4.1 JumperFree Conguration2.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU a
ASUS M5A78L/USB3 2-11CPU Ratio [Auto]Sets the CPU ratio. Conguration options: [Auto] [x4.0 800MHz] [x4.5 900MHz] [x5.0 1000MHz] [x5.5 1100MHz] ~ [x13
2-12 Chapter 2: BIOS informationDRAM Timing CongurationThe conguration options for some of the following items vary depending on the DIMMs you insta
ASUS M5A78L/USB3 2-13PCI/PCIe CLK Status [Enabled]Enables or disables the clock for PCI/PCIe slots. Conguration options: [Disabled] [Enabled]2.4.2 C
2-14 Chapter 2: BIOS information2.4.3 ChipsetNorthBridge CongurationDRAM Controller CongurationBank Interleaving [Auto]Allows you to enable the ban
ASUS M5A78L/USB3 2-152.4.4 Onboard Devices CongurationSerial Port1 Address [3F8/IRQ4]Allows you to select the Serial Port1 base address. Congurati
2-16 Chapter 2: BIOS information2.4.6 USB CongurationThe items in this menu allows you to change the USB-related features. Select an item then press
ASUS M5A78L/USB3 2-172.5 Power menuThe Power menu items allow you to change the settings for the Advanced Conguration and Power Interface (ACPI) and
2-18 Chapter 2: BIOS informationPower on By PS/2 Keyboard [Disabled]Enables or disables PS/2 Keyboard to generate a wake event. Conguration options:
ASUS M5A78L/USB3 2-192.6 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display
viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond
2-20 Chapter 2: BIOS informationBootup Num-Lock [On]Selects the power-on state for the NumLock. Conguration options: [Off] [On]Wait for ‘F1’ If Error
ASUS M5A78L/USB3 2-21Change User PasswordSelect this item to set or change the user password. The User Password item on top of the screen shows the de
2-22 Chapter 2: BIOS information2.7 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <
ASUS M5A78L/USB3 2-23Exit & Save ChangesOnce you are nished making your selections, choose this option from the Exit menu to ensure the values yo
2-24 Chapter 2: BIOS information
ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax +886-2
EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTeK COMPUTER INC. Address, City: 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112, TAIWA
viiDO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling. This symbol of the c
viiiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.
ixM5A78L/USB3 specications summar(continued on the next page)CPU AMD® Socket AM3+ for AMD® FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series pr
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