Download the latest version of the DSP-300 driver for your computer's operating system. This version of "win2kxpcom174.exe" has been downloaded 39 times with a user rating of 5 out of 5 stars, based on 10 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 574.0 KB.
DSP-300
Anycom PCMCIA Serial Port
Omega PCMCIA Serial Port
Quatech DSC-100 PCI Two-Port RS-232 Serial Adapter
Quatech DSC-200/300 PCI Two-Port RS-422/485 Serial Adapter
Quatech DSCLP-100 Low-Profile PCI Two-Port RS-232 Serial Adapter
Quatech DSCLP-200/300 Low-Profile PCI Two-Port RS-422/485 Serial Adapter
Quatech DSCP-100 Compact PCI Two-Port RS-232 Serial Adapter
Windows XP, Windows 2000
1.741.74 (2005-01-17) via .inf
1.74 (2005-01-10) via .inf
Windows 2000/XP Drivers for DSP-300
Nagarajah (DG Staff Member) on 20-Feb-2006
PCI\VEN_135C&DEV_0010&SUBSYS_0010135C
PCI\VEN_135C&DEV_0020&SUBSYS_0020135C
PCI\VEN_135C&DEV_0030&SUBSYS_0030135C
PCI\VEN_135C&DEV_0040&SUBSYS_0040135C
PCI\VEN_135C&DEV_0050&SUBSYS_0050135C
PCI\VEN_135C&DEV_0060&SUBSYS_0060135C
PCI\VEN_135C&DEV_0120&SUBSYS_0120135C
PCI\VEN_135C&DEV_0130&SUBSYS_0130135C
PCI\VEN_135C&DEV_0140&SUBSYS_0140135C
PCI\VEN_135C&DEV_0150&SUBSYS_0150135C
To get the DSP-300 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 Quatech DSP-300 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 Quatech DSP-300. It is a software utility which automatically finds and downloads the right driver.
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required 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.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| QSERBUS.sys | 26.4 KB | 10 Jan 2005 |
| QTSERIAL.sys | 94.7 KB | 10 Jan 2005 |
| QtPPages.dll | 1.6 MB | 25 Aug 2003 |
| cocpyinf.dll | 22.0 KB | 16 Apr 2003 |
| qserbrd.cat | 12.9 KB | 16 Feb 2005 |
| qserbrd.inf | 11.9 KB | 4 Feb 2005 |
| qserpt.cat | 10.7 KB | 16 Feb 2005 |
| qserpt.inf | 4.2 KB | 10 Jan 2005 |
| qtwdmlib.sys | 18.0 KB | 17 Jan 2005 |
| readme.txt | 1.9 KB | 10 Jan 2005 |