The Micro-Star MEGA BOOK S420 is a compact and versatile laptop designed for everyday use. Featuring a 14-inch display, Intel Core 2 Duo processor, 2GB of RAM, and a 160GB hard drive, it offers reliable performance for basic computing tasks like web browsing, word processing, and media playback. With its slim profile and lightweight design, the S420 is a practical choice for users who need portability without sacrificing essential functionality. It's a solid, budget-friendly option for students and professionals alike.
Why do i see many drivers ?
Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver , it's because they all use the same chip manufacturer.
How to select driver?
If you are looking for an update , pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.
Watch this video to see how it works -
click here
Your driver is up to date - if you have a problem with your driver, you can try to re-install the old version as below .
O2Micro Integrated MMC/SD controller
1.0.1.451
2010-04-27
4.55 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.451
2010-04-27
4.55 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.451
2010-04-27
4.87 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
Others
1.0.2.920
2009-07-09
15.42 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.2.920
2009-07-09
15.32 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
Others
1.0.2.920
2009-07-09
15.28 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.2.920
2009-07-09
15.35 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.84 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
5.27 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
Others
1.0.1.450
2009-06-24
5.26 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
5.17 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
5.17 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
Others
1.0.1.450
2009-06-24
5.29 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
4.83 MB
2K, XP, 2K3, VISTA, WIN7/32bits
O2Micro Integrated MMC/SD controller
1.0.1.450
2009-06-24
5.27 MB
2K, XP, 2K3, VISTA, WIN7/32bits