It's not. Use conditions have been the exact same for several years and the problem developed recently. It has also been getting steadily worse, used to take 20+ minutes of operation to occur
I think it could be the environment. Do you have something close to the monitor that could produce magnetic interference? Have you tested in another room? Maybe even the computer case can...
If I understood the seller correctly the systems was working many years ago, but when he tried it just before he sold it, the terminal & keyboard emulation wasn't working. He then tried to reload...
My guess is that XMS is faster. Would this QBASIC...
My guess is that XMS is faster. Would this QBASIC benchmark do the job?
bakemono Today, 09:03 AM' create a file
buffer$ = SPACE$(16384)
OPEN "tempfile.tmp" FOR BINARY AS #1
PUT #1, , buffer$: CLOSE #1
' read it back...