ASUS M5A78L-M LE/USB3 (90MB0MY0-M0EAY0) user manual

Contents

1. Safety informationp. 5

   Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or…

2. About this guidep. 5

   This user guide contains the information you need when installing and configuring the motherboard. How this guide is organized This guide contains the…

3. M5A78L-M LE/USB3 specifications summaryp. 7

   CPU AMD® Socket AM3+ for AMD® FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series processors AMD® Cool ‘n’ Quiet™ Technology Supports CPU up to 125W * Refer to…

4. Product introductionp. 9

   1.1 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power…

5. 1.1 Before you proceedp. 9

   Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall…

6. 1.2 Motherboard overviewp. 10

   Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits. Unplug the power cord before installing or…

7. 1.3 Central Processing Unit (CPU)p. 12

   The motherboard comes with an AM3+ socket designed for AMD® FX™ Series/Phenom™ II/ Athlon™ II/Sempron™ 100 Series Processors. The AM3+ socket has a different…

8. 1.4 System memoryp. 16

   1.4.1 Overview This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical…

9. 1.5 Expansion slotsp. 18

   In the future, you may need to install expansion cards. The following sub‑sections describe the slots and the expansion cards that they support. Unplug the…

10. 1.6 Headersp. 20

    Clear RTC RAM (2-pin CLRTC) This header allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system…

11. 1.7 Connectorsp. 21

    1.7.1 Rear panel connectors 2 4 3 6 8 7 10 9 1 11 1. PS/2 keyboard/mouse combo port. This port is for a PS/2 keyboard/mouse. 2. Video Graphics Adapter (VGA)…

12. 1.8 Software supportp. 28

    1.8.1 Installing an operating system This motherboard supports 32 bit/64 bit Windows® XP, 32 bit/64 bit Windows® 7 Operating Systems (OS). Always install the…

13. Chapter 2: BIOS informationp. 29
14. 2.1 Managing and updating your BIOSp. 29

    Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS…

15. 2.2 BIOS setup programp. 32

    Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using…

16. 2.3 Main menup. 35

    When you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system information. Refer to section 2.2.1 BIOS menu…

17. 2.4 Advanced menup. 37

    The Advanced menu items allow you to change the settings for the CPU and other system devices. Take caution when changing the settings of the Advanced menu…

18. 2.5 Power menup. 44

    The Power menu items allow you to change the settings for the Advanced Configuration and Power Interface (ACPI) and the Advanced Power Management (APM). Select…

19. 2.6 Boot menup. 47

    The Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the submenu. Select Screen Select Item Enter Go…

20. 2.7 Tools menup. 50

    The Tools menu items allow you to configure options for special functions. Select an item then press <Enter> to display the sub-menu. Select Screen Select Item…

21. 2.8 Exit menup. 51

    The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard your changes to the BIOS items. Pressing…