[Coco] FD-502 dual drive system on eBay (not mine)

[Sean]

I put a non-Tandy drive in my old FT-502 case and it fit perfectly back in
the day.  I think I just had to change the power connector to a molex one.


On Mon, Sep 16, 2013 at 3:16 PM, Luis Antoniosi (CoCoDemus) <
retrocanada76 at gmail.com> wrote:

> you will need to drill new holes on it since they don't match.
>
>
> On Mon, Sep 16, 2013 at 4:15 PM, Christopher Smith <csmith at wolfram.com
> >wrote:
>
> > Excellent, so it looks like I may be able to make a simple conversion
> from
> > one of the full-height units, then.  I'll just have to keep an eye out
> for
> > a half-height, DS/DD drive.  The second drive would probably be the
> > quad-density one that I have currently.  I suppose I should start looking
> > at how to swap drive IDs as well.
> >
> > Chris
> >
> > ----- Original Message -----
> > > From: "Rogelio Perea" <os9dude at gmail.com>
> > > To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> > > Sent: Monday, September 16, 2013 2:52:53 PM
> > > Subject: Re: [Coco] FD-502 dual drive system on eBay (not mine)
> > >
> > > On Mon, Sep 16, 2013, Christopher Smith wrote:
> > >
> > > I do wish people didn't pay nearly so much for those two drive
> > > things.
> > > >  Honestly, I've begun to wonder whether I could convert one of the
> > > >  single
> > > > drive boxes to hold two half-height drives.  Not sure if they'd
> > > > mount
> > > > properly in the case, and have no idea whether the power supply
> > > > would be
> > > > sufficient.
> > > >
> > >
> > > I added a second drive to my FD-502 years ago (20+) and did not
> > > install the
> > > fan as suggested in the user manual; had the system in close
> > > observation
> > > for a while and even under heavy disk usage (OS9L2) the power supply
> > > never
> > > defaulted, and it is still rock solid to this day. That FD-502 I use
> > > exclusively on my CoCo 3 setup.
> > >
> > > A little bit more than a year ago I upgraded my CoCo 1's 26-3029 disk
> > > system (prior model before the FD-500): drive was a full height
> > > device
> > > mounted on a corresponding case - took the original drive out and
> > > replaced
> > > it with two TEAC FD-55 half-height drives, they sat nicely on the
> > > case -
> > > only had to drill a couple of mounting holes on the bottom to secure
> > > the
> > > drives inside. The full height case's power supply is a no frills
> > > linear
> > > one, again as with my first days with the upgraded FD-502, after
> > > hooking up
> > > both drives to it I kept a close eye on the power demands, play
> > > tested with
> > > OS9L1 to my heart's content and not a single problem crept in - I did
> > > put a
> > > fresh helping of heat sink silicone grease on the power regulator
> > > before
> > > hooking up the drives, power supply runs warm to the touch but
> > > nothing
> > > beyond the ordinary.
> > >
> > > Newer drives will have less power demands than older units, that has
> > > to
> > > account for my problem free experiences with the disk system upgrades
> > > noted
> > > above.
> > >
> > > -- RP
> > >
> > > --
> > > Coco mailing list
> > > Coco at maltedmedia.com
> > > http://five.pairlist.net/mailman/listinfo/coco
> > >
> >
> > --
> > Christopher Smith
> > Systems Engineer, Wolfram Research
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> >
>
>
>
> --
> Long live the CoCo
>
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