The Compaq USB Open Host Controller is a USB device manufactured by Iomega. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. This version of "w32_iom221a_en.exe" has been downloaded 2,001 times with a user rating of 5 out of 5 stars, based on 13 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 16.0 MB.
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Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1
DriverGuide (DG Staff Member) on 22-Apr-2004
See all Iomega Compaq USB Open Host Controller ratings and reviews
To get the Compaq USB Open Host 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 Iomega Compaq USB Open Host 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 Iomega Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Iomega website. Most major device manufacturers update their drivers regularly.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
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.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
GUEST.INF | 4.5 KB | 3 Sep 1999 |
UNINST.DLL | 41.0 KB | 6 Oct 1999 |
PC2X.MPD | 4.3 KB | 11 May 1998 |
disaster.lib | 820.3 KB | 29 Feb 2000 |
UNINST.EXE | 299.0 KB | 11 May 1998 |
IOMUSB.MPD | 47.7 KB | 13 Jan 2000 |
COPYNT.LIB | 202.7 KB | 4 Feb 2000 |
IDEUP.LIB | 18.1 KB | 4 Feb 2000 |
IMGDRVS.LIB | 35.2 KB | 4 Feb 2000 |
Iomusb.inf | 7.1 KB | 29 Feb 2000 |
TOOLS.LIB | 334.5 KB | 4 Feb 2000 |
AIC78XX.MPD | 75.8 KB | 24 Aug 1998 |
ASC.MPD | 32.8 KB | 15 Jul 1998 |
USBZIP.INF | 2.0 KB | 3 Feb 2000 |
PC800.MPD | 13.3 KB | 11 May 1998 |
custom.lib | 7.1 MB | 29 Feb 2000 |
SETUP.INS | 1.5 KB | 8 May 1998 |
SPARROW.MPD | 24.1 KB | 1 Sep 1998 |
setupwin.ins | 136.2 KB | 14 Feb 2000 |
_ISDEL.EXE | 8.2 KB | 11 May 1998 |
SETUP.EXE | 47.6 KB | 11 May 1998 |
DISK1 | 32 bytes | 11 May 1998 |
backup.3 | 1.4 MB | 29 Feb 2000 |
USB_IOS.PDR | 5.2 KB | 16 Dec 1999 |
D395.MPD | 93.2 KB | 3 Feb 1999 |
VERSION.TXT | 55 bytes | 18 Jan 2000 |
_SETUP.LIB | 187.4 KB | 4 Feb 2000 |
HFDRVS.LIB | 14.0 KB | 4 Feb 2000 |
backup.2 | 1.4 MB | 29 Feb 2000 |
COMMANDER.LIB | 1.7 MB | 4 Feb 2000 |
SETUP.INI | 571 bytes | 13 Jan 2000 |
CLIKCARD.MPD | 21.0 KB | 10 Aug 1999 |
USBZIP.SYS | 44.7 KB | 16 Dec 1999 |
COPYMACH.LIB | 203.6 KB | 4 Feb 2000 |
_SETUP.DLL | 10.8 KB | 11 May 1998 |
MIRROR.LIB | 309.9 KB | 4 Feb 2000 |
backup.1 | 74.3 KB | 29 Feb 2000 |
IDLM.LIB | 14.7 KB | 4 Feb 2000 |
PC1616.MPD | 18.9 KB | 11 May 1998 |
Q251381_W2K_SP1_X86_en.EXE | 91.8 KB | 8 Feb 2000 |
COMMON.LIB | 1.3 MB | 4 Feb 2000 |
AUTORUN.INF | 43 bytes | 28 May 1998 |
setupwnt.ins | 135.1 KB | 14 Feb 2000 |
REGDRV.SYS | 1.4 KB | 2 Nov 1999 |
_INST32I.EX_ | 320.3 KB | 1 Jun 1998 |
TOOLSNT.LIB | 6.7 KB | 4 Feb 2000 |
PPA3.MPD | 56.8 KB | 26 May 1999 |
USBIOS.INF | 1.2 KB | 25 Oct 1999 |
LICENSE.TXT | 10.8 KB | 21 May 1999 |
backup.4 | 130.2 KB | 29 Feb 2000 |