It has to do with pcb not finding the security key on the lpt1. sch will run, but not pcb if it can't detect the key. There is a crack around somewhere if you already have the dongle.

thanks, tried both, but didn't work at 1280. But then I realized I had a different problem. My notebook display is 1440x900 and the vesa1280 is looking for 1280x1024. So, I guess it shouldn't work. I did try setting my videoram to different amounts from 1M to 8M. Thanks for the help, guess I stick …

I am wanting 1280x1024. I tried et3000, et4000 and et4000new with tlivesa. Didn't work. With et4000new, the dosbox crashed with Exit error, CPU:GRP5 Illegal call 7. I saw your comments on August 23, 2005 when it appears that a change was made to tlivesa and thought that may be the time the file …

Thanks, got to the next level. Both ykhwong's and h-a-l's appear to fuction identically. By setting conf to et4000new I can tell Tango to use tseng1k to get a 1024x768 display. With this setting or any other than s3, Tango will give an error if trying to use vesa. With conf set to s3, and tango with …

I use an old CAD package Tango PCB and SCH made in 1992. I have been trying to get it to work on Win XP. DOSBox got me closer to working. Here's my issues.... 1. tango will work in 640x480 vga mode, with or without dosbox. 2. without dosbox, tango will give error if trying to use any of tango's vesa …