Problem: Swapped in a new computer, and now I can't key the radio unless I unplug the PTT line. Problem is the same on several different (both homemade and commercial) LPT keying interfaces. With the
Old computer was DOS 6.2 only, new one is dual boot DOS 6.2/WIN2000, booted to pure DOS of course. At least I THINK it's pure DOS :-) LPT is set for same address and IRQ as before. -- Steve K8LX
Steve, You might take a look at the BIOS settings for the LPT configuration - specifically, the LPT port may be set up as an EPP (enhanced parallel port) instead of a SPP (standard parallel port). (I
It's the first thing I checked when the problem arose. SPP is the BIOS default, but I tried the other settings just for the hell of it. No dice. Yep, now we can be told "put paper in the tray, IDIOT"