Larry, I will answer your mail off the list. 73s, Erich, DK1TB
----- Original Message ----- From: "Larry Gerhardstein" <w...@montana.com> To: "AMSAT BB" <amsat-bb@amsat.org> Sent: Saturday, May 01, 2010 3:58 AM Subject: [amsat-bb] Hardware or software problems? > 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. > > I've tried connecting the computer to an isolated power source, not part > of the power company a.c. feeding my shack. This would be the generator > in my RV. Same problem. SatPC32 ran for quite a time, but eventually > the computer crashed. > > I have disconnected everything from the computer except for the USB > going to the monitor, Keyspan box, mouse, and keyboard. Still same > thing, computer crashes after awhile. The laptop crashes with only the > Keyspan connected. > > I need expert advice again. I run SatPC32 as administrator; what about > compatibility modes? What about critical o/s or driver upgrades or > service packs? What about adding ferrite toroid to all wires going into > and coming out of the computer? What about a power source isolator, > like a UPS with a full-time inverter to get good isolated sinusoidal > a.c. power to the computer and everything connected directly to it (like > the monitor)? The Keyspan is USB powered. The good UPS's get expensive. > > Please reply on this BB (preferred) or to private email w...@montana.com > or call 406-826-7373. > > 73, Larry W7IN > > _______________________________________________ > Sent via amsat...@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
