[rescue] [OT] S: IBM /370 or /390 card

Dave McGuire mcguire at neurotica.com
Tue Sep 12 16:10:04 EDT 2023


On 9/12/23 16:06, Joshua Boyd via rescue wrote:
> Wasn't the XT/370 primarily made with 68000s with custom microcode?

   Yup.  We have one on the way, coincidentally; I'll get pics of it 
when it arrives.  We're trying to find the software now.

> I'd love to see someone work out how to redo that on a newly made board.

   Since the 68K's control store is in mask ROM on the chip, I think 
that would be a challenge.

              -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA




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