Re: Transfer a 8250 diskette

From: Gerrit Heitsch <>
Date: Mon, 14 Nov 2011 18:14:39 +0100
Message-ID: <>
On 11/13/2011 10:19 PM, Steve Gray wrote:
> These?:

Yes, those... The downside is, of course, those are NMOS and slow. So 
you have a choice. Use a 27C64 with an adapter and save some power and 
heat or plug in the MCM68764 and have it fit directly into the socket 
but produce more heat...

Since they are directly replacable, I usually swap the 23128 in my 264 
systems with properly programmed 27C128 (The ROMs are not thrown out of 
course), saves about 50mA per chip. In a C16 with an already tight power 
budget and internal regulator that does help keep the heat down. Same 
with a plus/4 and its 4 ROMs.


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Received on 2011-11-14 18:00:32

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