84,488,480 programs installed

Should I remove O2Micro Flash Memory Card Reader Driver?

What percent of users and experts removed it?
3% remove it97% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #11,855
United States Rank #14,277
Reach 0.0277%
Lifespan of installation (until removal)
< 47.83 days
413.02 days >
Average installed length: 217.01 days


3.31.05 4.58%
3.31.04 4.21%
3.31.03.A 38.64%
3.31.03 2.20%
3.31.02 50.37%

O2Micro Flash Memory Card Reader Driver

What is O2Micro Flash Memory Card Reader Driver?

This is the software package that includes the required drivers, configuration and management utilities to support the O2Micro Flash Memory Card Reader.


The most common release is 3.31.02, with over 98% of all installations currently using this version. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Manually stopping the service has been seen to cause the program to stop functing properly. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The primary executable is named DPInst.exe. The setup package generally installs about 9 files and is usually about 3.07 MB (3,218,710 bytes).

Program detailsProgram details

URL: www.O2Micro.com
Installation folder: C:\Program Files\O2Micro Flash Memory Card Driver\
Uninstaller: MsiExec.exe /X{5948FF95-813D-4AFC-B184-1DD11DBB0093}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 3.07 MB

Program filesFiles installed by O2Micro Flash Memory Card Reader Driver

Program executable:DPInst.exe
Name:Driver Package Installer (DPInst)
Driver Package Installer
Path:C:\Program Files\O2Micro Flash Memory Card Driver\DPInst.exe
Additional files:
  • O2Icon_2.dll - O2Icon_2 Dynamic Link Library (O2Icon_2)
  • O2Icon.dll - O2Icon Dynamic Link Library (O2Micro_Icon)
  • o2sd.sys - O2Micro SD Reader Driver
  • o2sdx64.sys - O2Micro SD Reader Driver (AMD64)
  • o2flash.exe - O2 Flash Memory Service
  • o2mdx64.sys - o2media
  • o2media.sys

Program behaviorsBehaviors exhibited

  • o2flash.exe runs as a service named 'o2flash' (o2flash).

Program resource utilizationResource utilization averages

Memory:1.83 MB
21.09 MB average
Total CPU:0.0002988273%
0.031193% average
Kernel CPU:0.00023973%
0.016088% average
User CPU:0.00005909%
0.015104% average
CPU cycles/sec:104,906
8,062,084 average
I/O reads/min:5 Bytes
435.61 KB average

How do I remove O2Micro Flash Memory Card Reader Driver?

You can uninstall O2Micro Flash Memory Card Reader Driver from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program O2Micro Flash Memory Card Reader Driver, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove O2Micro Flash Memory Card Reader Driver.

Win 7 (SP1) 74%
Win XP 3%
Windows Service? Yes
(Installs a service)
Uninstall it 3%
Keep it 97%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 81.90%
Windows 10 12.43%
Windows Vista 2.93%
Windows XP 2.74%
Which OS releases does it run on?
Windows 7 Home Premium 28.44%
Windows 7 Ultimate 25.50%
Windows 7 Professional 20.92%
Windows 7 Home Basic 4.22%
Microsoft Windows XP 2.94%
Windows Vista Home Premiu... 2.75%

Distribution by countryGeography

32.28% of installs come from the United States
Which countries install it?
  United States 32.28%
  Germany 15.14%
  Italy 6.49%
  Brazil 5.82%
  France 3.83%
  United Kingdom 3.16%
  Canada 2.66%
  Netherlands 2.33%
  MA 2.16%
  Spain 2.00%
  Australia 1.66%
  Taiwan 1.16%
  Austria 1.00%
  Czech Republic 1.00%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 38.54%
Toshiba 32.33%
Dell 13.06%
Gateway 6.21%
MSI 2.57%
Packard Bell 1.93%
Hewlett-Packard 1.50%
ASUS 1.28%
Medion 0.86%
Lenovo 0.86%
Sahara 0.86%
Common models
TOSHIBA Satellite P300 12.63%
Acer TravelMate 5730 ... 9.73%
Dell Inspiron 1428 5.80%
TOSHIBA Satellite A300 4.35%
Acer Extensa 5630 4.14%
TOSHIBA Satellite U400 2.90%

About (from O2Micro International LTD.)

O2Micro International limited designs, develops and markets innovative power management and e-commerce components and systems for the Communications, Computer, Consumer, Industrial, and Automotive markets.
Publisher URL: www.o2micro.com


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