[time-nuts] Prologix and Windows 98SE

Joseph Gray jgray at zianet.com
Thu Sep 20 12:06:51 EDT 2007

I believe that the later versions of the DOS BASIC compiler support more 
than two COM ports. I'm not sure, but I believe that MS must have released 
this old software for free use, as I have seen it posted on many 
(non-pirate) sites. Look for PDS and VBDOS, which were later versions of 

BTW, QBasic is the interpreter-only version of QuickBasic (more or less).

If you are using VisualBasic (not VBDOS), I thought that it supported more 
than two COM ports.

One other alternative is FreeBasic. And before anyone else says it, you 
could use C, Python, etc. (insert language of choice).  :-)

----- Original Message ----- 
From: "Bill Janssen" <billj at ieee.org>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Thursday, September 20, 2007 9:51 AM
Subject: [time-nuts] Prologix and Windows 98SE

> Well I bought a prologix GPIB device to use with my HP5370A to compare
> clocks. I tried a QBasic program and, no surprise, QBasic couldn't find
> the COM3.
> So, I downloaded "Prologix GPIB Configuration" program and that finds
> COM3 and
> I can control my 5370. I next tried "EZGPIB" and it reports "No Prologix
> found"
> I intend to write some small test programs using Visual Basic and see
> what these do.
> But, am wondering if there is any hope for success using Windows 98SE or 
> do
> I have to use Windows XP.  I really want to stay with Windows 98SE if
> possible.
> Thanks
> Bill K7NOM
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