Bob, Unless you set the IRQs specially on the serial cards, Com1 and Com3 typically share IRQ4 and Com2 and Com4 typically share IRQ3.
Regards, Jack ----- Original Message ----- From: "Bob Main" <[EMAIL PROTECTED]> To: "DXBase" <[email protected]> Sent: Sunday, September 25, 2005 10:18 AM Subject: [Dxbase] COM Port Sharing > Last night I wanted to double check, again, what Jack was talking about > concerning sharing COM ports and IRQs. This is what I found. I have XP > Pro > for those wondering. If you go into All Programs\Accessories\System > Tools\System Information you find a tab that lists Conflicts/Sharing under > Hardware Resources. There it lists different things that share IRQs and > other Resources. COM1 is not listed as sharing anything, this is the one > to > my Mark V. The NetMos Multi/IO card is sharing IRQ 17 with the audio > device, but when you go to the Device Manager to change one of them you > find > that 1) Both items say "No Conflicts" and 2) It won't allow you to change > it > even if you wanted too. > > > > One other thing I just did is I have three (3) programs that use the COM > ports (Hamsoft, OneTouch, and DXBase). Hamsoft has always used COM7 for > PTT > control, and the rig control it is set to 'None'. OneTouch uses COM5 to > talk to my wife's blood sugar meter. DXBase uses COM1 for the Yaesu and > COM3 to the Kenwood. My modem uses COM4. Anyway I have had all three of > these programs for at least 2 years with no problems between them. I just > now started all three programs and went to the conflict tab mentioned > above, > and saw no difference. So I don't think they are butting heads mostly > because the way they are set now is the way they have been set for at > least > 2 years. > > > > So do not think COM/IRQ sharing is a problem. If I could find 10 ft > serial > cables I would replace both of them although they haven't been messed with > since they were installed. Not saying they didn't break a connection by > some gremlin just seems odd it would happen to two different cables going > to > two different radios and two different COM ports. If you know a way how I > can test the COM ports to see that they are working both directions I > would > like to know. I'm just hope to have this fixed by the end of Oct when the > CQ WW SSB contest starts. Thank goodness I'm not into working contests > hot > and heavy because I would be getting more nervous about this than I > already > am. > > > > I tried this before the reformat, but have not tried it since, but going > to > shortly, I am going to try every combination of the DTR, RTS and CTS > available and see if that works now. With my Kenwood I found the CTS > blocked it totally when turned on. I have one last question before I > start > this. In the Device Manager do you set the Port Settings there also, or > just in User Options? > > > > Bob > > > > ______________________________________________________________ > Dxbase mailing list > Home: http://mailman.qth.net/mailman/listinfo/dxbase > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] >
