MSI PR621 Driver Download (Official)
The PR621 is a disk drive controller manufactured by MSI. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "imsm_xp64_pr621_nb.zip" is rated (5 out of 5 stars) based on 32 downloads and 9 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 227.1 KB.
Supported Models
PR621
Intel ESB2 SATA AHCI Controller
Intel ESB2 SATA RAID Controller
Intel ICH10R SATA AHCI Controller
Intel ICH7M/MDH SATA AHCI Controller
Intel ICH7MDH SATA RAID Controller
Intel ICH7R/DH SATA AHCI Controller
Intel ICH7R/DH SATA RAID Controller
Manufacturers
Supported Operating Systems
Windows XP (64 bit)
File Name
imsm_xp64_pr621_nb.zip (227.1 KB)
Versions
8.0.0.1039(logo) (24-Oct-2008)
8.0.0.1039 (2008-04-15) via .inf
Additional Notes
Intel Matrix Storage Management Drivers for PR621
Uploaded By
karthikkumar (DG Staff Member) on 18-Mar-2009
Device Hardware IDs
PCI\VEN_8086&DEV_27C1&SUBSYS_01D01028&REV_01
PCI\VEN_8086&DEV_27C1&SUBSYS_02201028&REV_01
PCI\VEN_8086&DEV_27C1&SUBSYS_034A1025&REV_02
PCI\VEN_8086&DEV_27C1&SUBSYS_034A1025&REV_02\3&B1BFB68&0&FA
PCI\VEN_8086&DEV_27C3&SUBSYS_280C103C&REV_01
PCI\VEN_8086&DEV_27C3&SUBSYS_2A2B103C&REV_01
PCI\VEN_8086&DEV_27C3&SUBSYS_2A3B103C&REV_01
Compatible IDs
Related Driver Updates
How to Update PR621 Device Drivers
Step 1 - Download Your Driver
To get the PR621 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 MSI PR621 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 MSI 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 MSI website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
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.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| IaStor.sys | 388.1 KB | 15 Apr 2008 |
| TXTSETUP.OEM | 4.6 KB | 15 Apr 2008 |
| iaAHCI.cat | 11.5 KB | 18 Apr 2008 |
| iaAHCI.inf | 8.8 KB | 15 Apr 2008 |
| iaStor.cat | 11.2 KB | 18 Apr 2008 |
| iaStor.inf | 8.1 KB | 15 Apr 2008 |
| license.txt | 11.3 KB | 26 Jul 2006 |