newbie building a scratch-built computer

[Allison]

>
>Subject: Re: newbie building a scratch-built computer
>   From: "Chuck Guzis" <cclist at sydex.com>
>   Date: Thu, 09 Aug 2007 09:37:12 -0700
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On 5 Aug 2007 at 17:21, Allison wrote:
>
>> Works for me.  The larger Eproms like 27128, 27256 and larger 
>> I have loads of from old PCs that were junked.  A ready supply 
>> of fast and large (often CMOS) eproms make it easier to do that.
>> Though I had to mod my Prommer to do parts larger than 27256
>> the code upgrade was easy.
>
>....but the OP had neither eraser nor programmer for the things--and 
>that was my point.  Why bother using slow, obsolete parts when there 
>are better alternatives available?

Two reasons, cost and availability.

Allison


>
>Cheers,
>Chuck
>