ASUS M4A78-HTPC Driver Download (Official)

ASUS Drivers

The M4A78-HTPC is a disk drive controller manufactured by ASUS. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "" is rated (5 out of 5 stars) based on 24 downloads and 9 reviews. The uploader reports that this update will work successfully on PCs running Windows Vista and Windows XP. The total disk space used for this update is 527.6 KB.

9 Ratings

Supported Models


AMD AHCI Compatible RAID Controller

AMD AHCI Compatible RAID Controller - DC5750

AMD AHCI Compatible RAID Controller - DC5850

AMD RAID Console

M4A79 Deluxe

M4A79T Deluxe




Supported Operating Systems

Windows Vista, Windows Vista (64 bit), Windows XP, Windows XP (64 bit)

File Name


3.100.1540.86 (16-Jan-2009)

Additional Notes

AMD AHCI Compatible RAID Controller Driver

Uploaded By

Sathishkumar (DG Staff Member) on 8-Feb-2011

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
AMDAHCI_RAID_V3100154086/Vista/readme.txt 874 bytes 5 Nov 2008
AMDAHCI_RAID_V3100154086/Vista/x64/ 33.2 KB 25 Nov 2008
AMDAHCI_RAID_V3100154086/Vista/x64/ahcix64s.inf 16.2 KB 20 Nov 2008
AMDAHCI_RAID_V3100154086/Vista/x64/ahcix64s.sys 225.3 KB 3 Oct 2008
AMDAHCI_RAID_V3100154086/Vista/x86/ 33.2 KB 25 Nov 2008
AMDAHCI_RAID_V3100154086/Vista/x86/ahcix86s.inf 16.2 KB 20 Nov 2008
AMDAHCI_RAID_V3100154086/Vista/x86/ahcix86s.sys 183.3 KB 3 Oct 2008
AMDAHCI_RAID_V3100154086/Xp/ahcix64 10 bytes 27 Mar 2007
AMDAHCI_RAID_V3100154086/Xp/ahcix86 10 bytes 27 Mar 2007
AMDAHCI_RAID_V3100154086/Xp/readme.txt 1.1 KB 5 Nov 2008
AMDAHCI_RAID_V3100154086/Xp/txtsetup.oem 27.1 KB 20 Nov 2008
AMDAHCI_RAID_V3100154086/Xp/x64/ 35.6 KB 25 Nov 2008
AMDAHCI_RAID_V3100154086/Xp/x64/ahcix64.inf 17.2 KB 20 Nov 2008
AMDAHCI_RAID_V3100154086/Xp/x64/ahcix64.sys 226.3 KB 13 Oct 2008
AMDAHCI_RAID_V3100154086/Xp/x86/ 35.6 KB 25 Nov 2008
AMDAHCI_RAID_V3100154086/Xp/x86/ahcix86.inf 17.3 KB 20 Nov 2008
AMDAHCI_RAID_V3100154086/Xp/x86/ahcix86.sys 184.8 KB 13 Oct 2008

How to Update M4A78-HTPC Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the M4A78-HTPC driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter ASUS M4A78-HTPC into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the ASUS Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the ASUS website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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