[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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