[Color Computer] [Coco]Re: Transfer utilities

[Bob Devries]

Actually, Gene, I did that mod to my Disto II controller, and for years ran 
two 5.25" and two 3.5" drives.
--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Gene Heskett" <gene.heskett at verizon.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Monday, October 10, 2005 2:55 AM
Subject: Re: [Color Computer] [Coco]Re: Transfer utilities


> On Sunday 09 October 2005 12:22, Glen VanDenBiggelaar wrote:
>>    My J&M systems controller does not seem compatible with my FD502
>> drive because of a "Tooth" in the cable that I cant seem to remove (not
>> for lack of trying).
>>
>>
>>Think outside the box: Don't remove the tooth, clip the wire leading to
>> the tooth. If the connector's keyed, then drill out the key. Simple
>>
>>It doesn't look like a wire is leading to the tooth, its just a plastic
>> tab that runs 90 degress between the second and third contact on the
>> power side (red wire).
>>I have thought that also my FD 500 controler or drive might be dead (or
>> Both for that matter) but, I have had no time to putz with it. I just
>> took the drive out and I am (was) going to add it to my 501.
>>
>>One more really dumb question, but if I wanted 4 drives on my system,
>> would I need 2 controllers (and a multi-pak)or a special cable?
>>-Glen
>
> For that you have only 2 choices Glen.  The floppy interface
> specification at one time had 4 drive select possibilities, but when
> double-sided drives came on the scene fairly early, the last, DS3, was
> moved and converted to a side select signal, leaveing only 3 active drive
> selects available.  So if you want double sided drives, then 3 is the
> limit, _unless_ a special decoder board is placed in series with the
> cable, between the cable connector and each drive to allow the decoding of
> a 1 of 8 that can be had with the 3 bits/wires normally used as drive
> selector addressing.  Its possible, and it would be nice to have, but
> AFAIK, nobody has actually done it except the maybe the coco based BBS in
> chicago, Sand-V I think it was called.  The gents name that ran it was
> Mike IIRC.
>
> Dave P. could probably step in and clarify that since thats his back yard.
>
> -- 
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> 99.35% setiathome rank, not too shabby for a WV hillbilly
> Yahoo.com and AOL/TW attorneys please note, additions to the above
> message by Gene Heskett are:
> Copyright 2005 by Maurice Eugene Heskett, all rights reserved.
>
>
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