Monday January 02 1995 11:06, Robert King wrote to Jonathan Markevich:

 RK>  Been there, done that.. Screen writes use memory, and hence can be
 RK> stopped by the OS, direct port I/O is another matter entirely.

Ok, try writing 0xfe to port 0x64.  Under DOS, this will reboot the system,
but under OS/2, you'll either get nothing or a SYS3175.

So much for that idea.

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