Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: COM Ports Question

04 Feb 2014   #1

Windows 7 64bit
COM Ports Question


Is it O.K. to have a few programs set up with their COM Ports all the same number,
as long as only one program is ever actually being used at a time ?


My System SpecsSystem Spec
04 Feb 2014   #2

Windows 7 Home Premium 64 bit sp1

I think COM ports are allocated a number for one item & it cannot be used by another item, even if it is not connected at the same time. However, I am not 100% sure.
My System SpecsSystem Spec

 COM Ports Question

Thread Tools

Similar help and support threads
Thread Forum
Force USB 3.0 ports to be recoginzed as USB 2.0 Ports
I know this sounds bizarre, and many not be possible, but bare with me. I have a program that only runs on Win 7 that is used to program Solid State Logic Circuits (SSLC's) - (the developer is taking FOREVER to write a Win 10 Compatible version :mad:). To make matters worse, THAT program does...
Hardware & Devices
HP Desktop Limited USB Ports Question ?
Hello, Thinking about a new HP Desktop; $ 750 range. Surprised to see that the new HP Desktops only seem to come with 4 USB Ports now; 2 USB2 and 2 USB3. My present HP Desktop PC has 6 (might actually be 8; too old now to crawl around the rear and see- but definitely at least 6) Is 4...
Hardware & Devices
DVI ports question
Hi, I have XFX HD 7850 GPU which has two DVI ports. One is DVI-I (marked as Primary) and the other one is DVI-D (marked as Secondary). They both are dual link. I thought it was logical to use DVI-D since I use DVI cable (single link) directly from my monitor. I had freezing, BSODs and problem...
Graphic Cards
Front USB ports not working, but rear USB ports work…
This is a brand new custom built PC for web browsing for a motel lobby. Win7 Home Premium AMD A4-3300 Llano MSI A55M-P33 FM1 Rosewill FBM-02 MicroATX Mini Tower Running latest BIOS and latest drivers downloaded directly from manufacturer's website. I tried switching between all 3...
Hardware & Devices
USB 3.0 ports refuse to work as USB 3.0 ports
A few days ago I installed a USB 3.0 card (to be precise, this one: 2-Port USB 3.0 SuperSpeed PCI-E Controller Card - Free Shipping - DealExtreme). It uses the very common NEC µPD720200 USB 3.0 controller. I installed the required drivers for Windows 7, and the card worked fine for the first...
Hardware & Devices

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd

All times are GMT -5. The time now is 05:36.
Twitter Facebook Google+