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

[Christopher Smith]

That's interesting... what is the power supply connector now?

Chris

----- Original Message -----
> From: "Retro Canada" <retrocanada76 at gmail.com>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Cc: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Monday, September 16, 2013 4:51:10 PM
> Subject: Re: [Coco] FD-502 dual drive system on eBay (not mine)
> 
> i am talking about the full height unity to put half drives.
> 
> On 2013-09-16, at 5:46 PM, Sean <badfrog at gmail.com> wrote:
> 
> 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
> > 
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> 
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
> 
> --
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> http://five.pairlist.net/mailman/listinfo/coco
> 

-- 
Christopher Smith
Systems Engineer, Wolfram Research