January 2005 This directory contains Windows 2000/XP device drivers for Quatech PCI, ISA, and PCMCIA multiport serial adapters. If you are copying these files from one disk to another, please ensure that they all reside in a single directory after you copy them. RELEASE 1.74 This release has been digitally signed for smooth installation on Windows 2000 and Windows XP. Fixed problems with standby/hibernate and PCMCIA cards. Eliminated the use of the qserfilt.sys filter driver. RELEASE 1.71 Added support for ESCLP-100 and enabled feature to restore adapter from standby/hibernate state. RELEASE 1.70 This release has been digitally signed for smooth installation on Windows 2000 and Windows XP. Moved port specific properties from board device to port device ind device manager RELEASE 1.65 This release has been digitally signed for smooth installation on Windows XP. (Windows 2000 will continue to warn about an unsigned driver.) A bug that interfered with system startup on some dual-CPU machines was fixed. Extended support for advanced features on Quatech PCMCIA and Low-Profile PCI boards. RELEASE 1.64 Added features to accommodate Rev G/I PCMCIA boards includes all RS422/485 Duplex Modes and all RS-422/485 Connector setup modes. RELEASE 1.63 Added features to accommodate Rev G PCMCIA boards, for right now its just Clock multiplier and Auto toggle for SSP -200/300 only. Fixed bug where we calculated the source buffer length incorrectly in CaptureParentResources. RELEASE 1.62 Added a manufacturer ID. RELEASE 1.61 Added code to build Hardware ID depending on Mfg Type. RELEASE 1.60a Contains a modified QSERPT.INF that fixes installation failures of PCMCIA serial ports on certain computers. RELEASE 1.60 Fixes problems encountered during PCI or PCMCIA hardware installation on certain ACPI computers.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.