On 21 Apr 2021 at 19:46, Bryan Kilgallin wrote: > Eek, Frank: > > > oh that's right. Suppose that you have good support in the BIOS for > > your USB keyboard, USB mouse and USB mass storage. > > Yes, I have a KVM switch driving both a keyboard and mouse from the > DOS PC! > > > Then you install > > the USB LPT driver by Bret Johnson, which takes over the whole UHCI, > > and may render your BIOS support for KB + Mouse + mass storage dead > > in the water > > I have unzipped USBDOS to a directory on a stick, that is now plugged > into my DOS PC. And I'm reading the "readme" document. -- > members.iinet.net.au/~kilgallin/ > I've forgotten to add, that there's no risk of permanent damage of any kind. If you try to load the USBDOS driver stack, and you end up with an unresponsive system (keyboard and mouse stop working), you can always just press RESET to reboot your machine, and get keyboard and mouse working again. Unless that loading of the driver is already in your autoexec.bat/config.sys :-)
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