Flash BIOS update - Flash from Operating System version for Z370 Z470
Version 4ACN38WW
Installation README
Updated Date:2012-11-09
This package updates the basic input/output system (BIOS) onZ370 Z470
BIOS, abbreviation of Basic Input��Output System, is integrated in ROM chip on main board, which contains the basic input/output program, system configuration information, system startup self-check and pre-setup programs. BIOS provides most basic low-level hardware operations; it is the connection between software and hardware, and interfacing window of hardware and operating system.
Note: Make note of any settings you have changed in the BIOS Configuration Utility. These settings may have to be re-entered after updating the BIOS.
Attention: Do not power off or restart your computer during the BIOS flashing process, which will cause serious damage and improper functioning of your computer.
Print this file so that you can refer to it during the installation.
Downloading the package
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1. Click the file link to download the file from the web page.
2. When prompted, select a drive and directory in which to save the downloaded file.
Installing the package in Windows.
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1. Locate the file 4acn38ww.exe or 4acn38ww 64.exe that has been downloaded.
2. Double click the 4acn38ww.exe or 4acn38ww64 icon.
3. Click install
4. Click flash bios
5. Press Enter to start flashing. During the process, you are advised not to turn off the computer.
6. When the update finishes, the computer will automatically reboot for the changes to take effect.
Updated Information:
Latest Version BIOS fixs all merged issues from previous.
Summary of changes
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General Information:
4acn38ww
Fixed, When Resume From S3, HDD Translating Speed Becomes Low
4ACN35WW
Update nVIDIA N12MGS VBIOS
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