Download and install O2Micro O2Micro Integrated MMC/SD controller driver

O2Micro Integrated MMC/SD controller is a SCSI Adapter device. This driver was developed by O2Micro. PCI/VEN_1217&DEV_8321 is the matching hardware id of this device.

1. Install O2Micro O2Micro Integrated MMC/SD controller driver manually

1. You can download from the link below the driver installer file for the O2Micro O2Micro Integrated MMC/SD controller driver. The archive contains version 1.2.1.7073 dated 2012-10-18 of the driver.
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3. Start the driver installer file from a user account with administrative rights. If your User Access Control Service (UAC) is started please confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver installation wizard, which will guide you; it should be pretty easy to follow. The driver installation wizard will analyze your computer and will install the right driver.
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7. When the operation finishes restart your computer in order to use the updated driver. It is as simple as that to install a Windows driver!
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This driver was not digitally signed.

Driver rating 3.9 stars out of 58551 votes.

2. Installing the O2Micro O2Micro Integrated MMC/SD controller driver using DriverMax: the easy way

The most important advantage of using DriverMax is that it will install the driver for you in just a few seconds and it will keep each driver up to date. How easy can you install a driver using DriverMax? Let's see!

1. Open DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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3. Take a look at the list of detected driver updates. Search the list until you find the O2Micro O2Micro Integrated MMC/SD controller driver. Click on Update.
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5. That's all, the driver is now installed!
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