[amsat-bb] Re: Hardware or software problems?

PE0SAT pe0sat at vgnet.nl
Sat May 1 03:13:27 PDT 2010

On Sat, May 1, 2010 03:58, Larry Gerhardstein wrote:

Hi Larry,

Your patience is put to the test, don't give up we all run in to
problems we can finally solve.

> All,  I feel like I'm no closer to a working sat station than I was one
> month ago.  I have two computers to run SatPC32 on.  Both are DELL
> Windows 7 Home Premium, one a desktop, the other a laptop.  I have a
> Keyspan 4-port USB to RS232 box with optical isolators from CommFront
> connected to G-5500 and ICOM 910H interfaces.
> When I run SatPC32, I set up the COM ports and then enable R+ and C+.
> The computer then controls the xcvr and the rotors.  After clicking on R
> and/or C a few times, or after clicking the transmit button on the ICOM,
> the computer crashes... Blue Screen, screen of death.  IRQ_LESS_OR_EQUAL
> message.  Both computers do the same thing.  They crash after a short
> while.

The first thing that I would try, is to connect to a real RS232 interface
and not via USB. Maybe it is possible to get a PCI card with two RS232
interfaces on it an put in the desktop.

> Please reply on this BB (preferred) or to private email w7in at montana.com
> or call 406-826-7373.
> 73, Larry W7IN

Goodluck Jan PE0SAT

Maybe when the system crashed again, try to writedown the complete
message and send it to me.

More information about the AMSAT-BB mailing list