|This is from one companies product. It may may not work on yours.|
USB to RS-232 Serial Adapters FAQ
How do I change the COM port number(s) assigned to my USB to serial adapter by Windows 2000/XP?
When I plug my USB Adapter into another USB port or USB hub, I get new COM port numbers. What can I do keep the same COM port assignments?
Can I change the properties of the ports on my USB to Serial Adapter from the software package in which I am using the ports?
Can I use the Advanced Options windows in Windows to configure each port on my USB to Serial Adapter separately?
When I unplugged my USB to serial adapter I got an error that caused my PC to reboot. How can I prevent this?
Why can't I get my Quatech USB adapter to perform at 460.8 kbps?
What can I do to increase the stability of my USB to serial adapter at high speed?
How do I install my USB to Serial Adapter?
Is there a diagnostic program I can use to determine if my USB to serial adapter is working?
I did not receive Windows NT 4.0 drivers with my USB to serial adapter how do I get them?
Where can I find out what version of the Quatech USB to Serial driver I am using?
When I ran the update for the new drivers for my USB to serial adapter I got a "ReadOnly File Detected" error. What should I do?
Do I need local administrator rights to install a Quatech USB to serial adapter?
What are the Operating Systems under which my USB to RS-232 Serial Adapter is supported?
How do I know if my version of Windows 98 is USB compatible?
What does it mean to have an unregistered Windows XP driver? Why do I get a warning screen when I install some Quatech USB drivers?
How do I disable the Windows XP Driver Signing check?
How do I uninstall my USB Adapter under Windows 98/Me/2000/XP?
What is the maximum number of Quatech USB to serial adapters I can use on my system?
Do Quatech USB to Serial Adapters contain USB hubs as well as serial ports?
What is the maximum data rate for USB? How about the maximum speed for Quatech USB to serial adapters?
I understand that USB devices are both "plug & play" and "hot-plug" capable. Does that mean that I don't need any software from Quatech to use my USB to serial adapter?
What does USB stand for? Where can I find out more about USB?
24. When installing a product, I get an error message stating "The System Cannot Find the File Specified." How can I fix this?
Q1. How do I change the COM port number(s) assigned to my USB to serial adapter by Windows 2000/XP?
A. To change the COM port number assigned to a USB to RS-232 Serial Adapter follow the steps below:
1. Open the Windows Device Manager.
2. Right click on the COM port you want to change.
3. Left click on Properties.
4. Click on the Port Settings tab.
5. Click on the Advanced... button.
6. Use the drop down list to select the COM port number you want to use.
7. Click OK.
8. Click on OK again and close Device Manager.
You may be able to purchase a pci card that add's in com ports. They may end up being 3 and above.
My mother plays with that stuff and she keeps two older computers just for that with real serial ports.
Why did it take me over a year to phone in a problem to ATT?