[Coco] ADOS-3 (was: 26-3029 floppy disk controller.

[tonym]

Art,

Do I have anything in those boxes that would help?
How many boxes were there, by the way? Remember a friend picked
them up for me....I only got a bag of disks, and 1 box.

I think if there's more, it's in his warehouse somewhere!!

Tony 


---------- Original Message ----------------------------------
From: Arthur Flexser <flexser at fiu.edu>
Reply-To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Date:  Wed, 18 Jan 2006 05:14:46 -0500 (EST)

>On Tue, 17 Jan 2006, Roger Merchberger wrote:
>
>> Art,
>> 
>> What is the availability of Extended ADOS-3 & how much does it cost?
>> 
>> It's one of those things I'd always wanted back when I had no money and now 
>> that I'm [1] getting back into the CoCo (looking for a desk for the CoCo3 & 
>> CM8 right now...) it's something I'd really be interested in.
>> 
>> I have an EPROM burner & (I hope) a controller that can handle a 16K 
>> image... altho one Disto Mini-Controller I have won't boot at all with a 
>> ROM installed... odd. :-/
>> 
>> To the list:  Will an FD502 take a 16K ROM? IIRC, it was the only RS 
>> controller that could take a 27c64 28-pin chip, but I don't know what it 
>> would take to get a 27c128 shoehorned into one...
>
>I no longer sell Extended ADOS-3 (or ADOS-3, which is required by Ext. ADOS-3),
>having disposed of all my CoCo stuff when I moved from Florida to New Jersey
>last summer.  Feel free to pirate a copy from anyone who will give you one.
>
>The FD502, as I recall, will take a 27128 if you run a wire between the pin
>corresponding to the highest address line of the chip over to the corresponding
>pin of the edge connector.  Tandy for some reason grounded this pin of the chip,
>so you also have to cut the trace connecting the pin to ground.  Instructions
>are given in the Ext. ADOS-3 docs, which I don't have a copy of handy.  (This
>modification doesn't affect the controller's compatibility with 8K ROMs.)  The
>FD502 is thus the easiest Tandy controller, by far, to use with Extended ADOS-3,
>though third-party controllers are better still, requiring no modification.
>
>Art
>
>
>-- 
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>Coco at maltedmedia.com
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>
 

 
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