Xerox 820 system disks in Teledisk format?

[bfranchuk at jetnet.ab.ca]

Chuck Guzis wrote:
> On 7 May 2009 at 13:47, Jules Richardson wrote:

> Thank your lucky stars that IBM decided to use a Moto graphics 
> controller instead of the Intel 8275.  Although the 82720/NEC 7220 
> might have been an improvement over the 6845.

What is the bug with the chip???
If it is the chip I think it is, it had nice over stike graphics.
> 
> --Chuck
> 
Ben