[Coco] CoCO EPROM -- 32K test??

Chad H chadbh74 at hotmail.com
Sat Dec 13 00:36:17 EST 2014


Ummm....What???????

The "16k" select it could always do, I am not desiring to test that.  I'm wanting to read/verify/test a full 32K of EPROM code, that's what the latest revision adds.  There are already jumpers to select up to 4 x 16K segments or 8 x 8K segments.   This newest revision offers up to 2 x 32K segments..need to test it.

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Robert Gault
Sent: Friday, December 12, 2014 9:28 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] CoCO EPROM -- 32K test??

Chad H wrote:
> OK, so I finally got around to ordering the first batch of the modded 
> EPROM boards that will do 32K banking in addition to the 8K or 16K 
> banking it was already capable of doing.  I went into this knowing it 
> would probably only be useful to those with CoCo 3's, which I am not one.
>
>
>
> At this point, however, I really would like to test it to make sure 
> it's fully operational as expected.  I do have 27256/27512 EPROM 
> available but only a CoCo 2 to test it in.  Is there a way I could go 
> about this with what I have?
>
>
>
> -          Chad
>
>

You will need to add some switches that can permit you to select the desired 16k bank of the EPROM. That is reasonably simple to wire.

Robert


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