Semi-OT: Interesting or unusual PC Compatibles?

[Jim Leonard]

Fred Cisin wrote:
> ALMOST everything.
> Check the 1983? PC-WORLD "round up the compatibles", in which like every
> other non-IBM machine, the Compaq filed to be able to run the "OEM IBM
> ONLY" edition of Xeno-Copy.

What about that version made it "IBM ONLY"?  Checking for the string 
"IBM" somewhere in ROM?

-- 
Jim Leonard (trixter at oldskool.org)            http://www.oldskool.org/
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