CMD Technology Silicon Image SiI 3112 SATARaid Controller Driver Download

CMD Technology Drivers

The Silicon Image SiI 3112 SATARaid Controller is a disk drive controller manufactured by CMD Technology. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This driver - "" - has been downloaded 337 times and is rated 5 out of 5 stars based on 8 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 137.0 KB.

8 Ratings

Supported Models

SATARaid 3112B

ATI 436E Serial ATA Controller

ATI 4379 Serial ATA Controller

ATI 437A Serial ATA Controller

Silicon Image SiI 3112 SATARaid Controller

Silicon Image SiI 3512 SATARaid Controller


CMD Technology


Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name

Versions (14-Jun-2004) (2004-05-12) via .inf

Additional Notes

Silicon Image SiI 3x12 RAID Driver

For anyone having problems updating the latest 3112 RAID driver from the Microsoft Update site, the attached version will address the problem.(until Microsoft updates their update site). Found at

Uploaded By

Scots Computers (DG Member) on 3-Sep-2004

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
SIWinAcc.sys 10.2 KB 15 Oct 2003
SilSupp.cpl 69.1 KB 26 Nov 2003
Si3112r.sys 97.4 KB 12 May 2004 16.9 KB 1 Jun 2004
readme.txt 12.4 KB 4 Oct 2002
SiiSupp.vxd 22.1 KB 18 Dec 2003
TxtSetup.oem 10.1 KB 14 May 2004
Si3112r.inf 40.0 KB 14 May 2004

How to Update Silicon Image SiI 3112 SATARaid Controller Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Silicon Image SiI 3112 SATARaid Controller 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 CMD Technology Silicon Image SiI 3112 SATARaid Controller 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 CMD Technology Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

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.

This website is not affiliated with CMD Technology. All company names/logos are properties of their owners.
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