The U81A 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 "IMSM_VT32_090421.zip" is rated (5 out of 5 stars) based on 11 downloads and 4 reviews. The uploader reports that this update will work successfully on PCs running Windows Vista. The total disk space used for this update is 325.9 KB.
U81A
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Intel ESB2 SATA RAID Controller
Intel ICH10D/DO SATA AHCI Controller
Intel ICH10R SATA AHCI Controller
Intel ICH7M/MDH SATA AHCI Controller
Intel ICH7MDH SATA RAID Controller
Windows Vista
V8.8.0.1009 (21-Apr-2009)
Intel Matrix Storage Manager Driver
Sathishkumar (DG Staff Member) on 16-May-2011
PCI\VEN_8086&DEV_27C1&SUBSYS_01A81028&REV_01
PCI\VEN_8086&DEV_27C1&SUBSYS_01D01028&REV_01
PCI\VEN_8086&DEV_27C1&SUBSYS_01D11028&REV_01
PCI\VEN_8086&DEV_27C1&SUBSYS_02201028&REV_01
PCI\VEN_8086&DEV_27C3&SUBSYS_01D21028&REV_01\3&172E68DD&0&FA
PCI\VEN_8086&DEV_27C3&SUBSYS_0605A0A0&REV_01
PCI\VEN_8086&DEV_27C3&SUBSYS_2A2B103C&REV_01
To get the U81A 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 U81A 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.
After downloading the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:
Right-click the Start button
Select "Device Manager" from the menu
Locate the device needing the update
Right-click the device and choose "Update driver"
Follow the on-screen prompts to install
Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.
This process helps maintain your system's performance and compatibility with various hardware components.
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.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
DIPM_LPM_Disable.reg | 1.6 KB | 24 Jul 2008 |
Msahci_Pciide.reg | 426 bytes | 8 Mar 2009 |
REG.BAT | 1.5 KB | 8 Mar 2009 |
SILENT32.BAT | 1.5 KB | 8 Mar 2009 |
Vista32/2KSETUP.INI | 237 bytes | 9 Dec 2008 |
Vista32/2KSETUP.exe | 305.7 KB | 26 Jun 2008 |
Vista32/IaStor.sys | 329.8 KB | 11 Feb 2009 |
Vista32/TXTSETUP.OEM | 4.9 KB | 11 Feb 2009 |
Vista32/iaAHCI.cat | 8.3 KB | 24 Feb 2009 |
Vista32/iaAHCI.inf | 9.1 KB | 11 Feb 2009 |
Vista32/iaStor.cat | 7.9 KB | 24 Feb 2009 |
Vista32/iaStor.inf | 8.1 KB | 11 Feb 2009 |