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To: jonkai who wrote (33571)6/3/2002 12:09:12 AM
From: Alomex  Read Replies (2) | Respond to of 213177
 
MSFT probably spent 15 mins making in change to how it delt with this minor change to lesson the abilities of QDOS to run better with this cheap processor...... that is how similar the two chips are....

You forget the drivers. Those are architecture specific and had to be written from scratch. Support for a new color display in particular proved to be difficult.

and if you did know anything about QDOS, you would know that it was written for the INTC 8086.... the 8088 is exactly the same as the 8086 except for INTC made it cheaper by making a minor change....

I know that. You overestimate yourself and underestimate others. The main difference between the 8086 and the 8088 is the size of the external bus (16 bit vs 8 bit, resp.).



To: jonkai who wrote (33571)6/3/2002 2:30:30 AM
From: Jeff Hayden  Read Replies (1) | Respond to of 213177
 
the 8088 is exactly the same as the 8086 except for INTC made it cheaper by making a minor change.... the 8088 is considered a LESS POWERFUL processor

That's for sure! I remember clearly (mainly because I thought it was nuts) that IBM asked Intel for the 8088 version (Intel only offered the 8086 at first) just to save 8 lousy data bus pins on the packages - gotta save them pennies you know. IBM took one of the better chips of the time and choked it. The 8088 wasn't much better than the older 8080.