O2Micro Integrated MMC/SD Controller Driver Download

The O2Micro Integrated MMC/SD Controller is a device manufactured by O2Micro. This file update has an average rating of 5 out of 5 stars based on 26 reviews, and has been downloaded 2,453 times. It has been installed successfully by our users on PCs running Windows 10, Windows 7 and Windows XP. The total disk space used for this update is 1.9 MB.

26 Ratings (see all reviews)

Supported Models

Westinghouse NB-14w2

O2Micro Integrated MMC/SD Controller

O2Micro Integrated MS/xD/SM Controller

O2Micro O2Media Disk Device

O2Micro OZ6812 CardBus Controller

O2Micro OZ6832/6833 CardBus Controller

O2Micro OZ6836/6860 CardBus Controller

O2Micro OZ6912/601/711E0 CardBus/SmartCardBus Controller



Supported Operating Systems

Windows Vista, Windows Vista (64 bit), Windows 2003, Windows XP, Windows 2000, Windows NT4

File Name

Versions (2005-08-05) via .inf (2005-12-19) via .inf
5.1.2600.0 (2004-12-14) via .inf
5.00.2183.1 (2004-12-14) via .inf

Additional Notes

This is the Card Reader Drivers for the Westinghouse NB-14w2 Notebook.

Run the Setup.exe file to install.

Uploaded By

Greg Lawrence (DG Member) on 16-Sep-2007

Most Helpful Reviews

4 of 5 people found the following review helpful:
Tested on Windows XP
17 Jul 2008
(1 hour after download)

Installation: 5 out of 5
Stability: 5 out of 5
Compatibility: 5 out of 5
"Works with Philips Freevents Laptop model number H12Y"
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See all O2Micro Integrated MMC/SD Controller ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
0x0404.ini 3.8 KB 5 Jan 2006
0x0409.ini 5.5 KB 5 Jan 2006
0x0411.ini 5.9 KB 5 Jan 2006
0x0804.ini 3.8 KB 5 Jan 2006
1028.mst 309.2 KB 5 Jan 2006
1033.mst 3.6 KB 5 Jan 2006
1041.mst 341.5 KB 5 Jan 2006
2052.mst 309.8 KB 5 Jan 2006
ISScript.Msi 993.8 KB 5 Jan 2006
Setup.ini 1.9 KB 5 Jan 2006
Setup.msi 1.9 MB 5 Jan 2006
System32/Drivers/O2MDDISK.CAT 7.5 KB 5 Jan 2006
System32/Drivers/O2MDDISK.INF 883 bytes 5 Jan 2006
System32/Drivers/O2MEDIA.CAT 8.0 KB 5 Jan 2006
System32/Drivers/O2MEDIA.INF 1.7 KB 5 Jan 2006
System32/Drivers/O2MW2K.CAT 8.7 KB 5 Jan 2006
System32/Drivers/O2MW2K.INF 4.3 KB 5 Jan 2006
System32/Drivers/O2MWXP.CAT 8.7 KB 5 Jan 2006
System32/Drivers/O2MWXP.INF 4.3 KB 5 Jan 2006
System32/Drivers/O2SD.CAT 7.9 KB 5 Jan 2006
System32/Drivers/O2SD.INF 1.7 KB 5 Jan 2006
System32/Drivers/O2SDDISK.CAT 7.5 KB 5 Jan 2006
System32/Drivers/O2SDDISK.INF 874 bytes 5 Jan 2006
System32/Drivers/o2media.sys 34.1 KB 5 Jan 2006
System32/Drivers/o2sd.sys 28.8 KB 5 Jan 2006
System32/RMDevice.dll 13.3 KB 5 Jan 2006
System32/o2flash.exe 36.9 KB 5 Jan 2006
setup.exe 254.0 KB 5 Jan 2006

How to Update O2Micro Integrated MMC/SD Controller Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the O2Micro Integrated MMC/SD 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 O2Micro Integrated MMC/SD 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 Driver Update Utility for O2Micro Integrated MMC/SD Controller. 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 O2Micro. All company names/logos are properties of their owners.
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