[Coco] FD-502 replacement drives

Mon Dec 18 23:27:09 EST 2017

Sony. MPF920-Z

3 1/2 Drive as DRIVE 1

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  Original Message
From: rietveld rietveld
Sent: Monday, December 18, 2017 7:29 PM
To: Coco mailing list
Reply To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] FD-502 replacement drives

Hi.  I will send u the part number when I get home tonight. Around 11pm.   I swapped it in because it was easier to find and 3 1/2 disks are more plentiful

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From: ejmautz2 at gmail.com
Sent: December 18, 2017 7:24 PM
To: coco at maltedmedia.com
Reply-to: coco at maltedmedia.com
Subject: Re: [Coco] FD-502 replacement drives

Rietveld ,

Do you have a part number for the 3.5 Sony drive?  Sounds like an
interesting option.

Thanks
John.

On Dec 18, 2017 6:19 PM, "rietveld rietveld" <rietveldh at hotmail.com> wrote:

> Hi. I had a similar dillema.  This is what I did
>
> My one Fd502 only had a single drive so I used a 3 1/2 720k sony as drive
> 1 in the empty slot above drive 0.  This setup works great on my coco3
>
> I had another drive with just one working 5 1/4 so pulled out the broken
> drive 1 and put In an IDE hard drive. Now the case has a physical and hard
> drive   I use this setup with a Glenside IDE on my coco2.  I have both
> floppy ribbon cable and IDE ribbon cable on top of each other coming out of
> the back of the enclosure.  The power from the dead drive is now used with
> the ide hard drive. The fd controller has hdb dos in it and is plugged into
> the glenside's header.
>
> I just thought these ideas would help you if u see different drives other
> than the ones you are looking for
>
>
>
>
> Sent from my BlackBerry - the most secure mobile device
> From: ejmautz2 at gmail.com
> Sent: December 18, 2017 6:03 PM
> To: coco at maltedmedia.com
> Reply-to: coco at maltedmedia.com
> Subject: Re: [Coco] FD-502 replacement drives
>
>
> CB,
>
> I'm looking for the D502 drives.  If this is what you have, I'm open to
> what you suggest.
>
> Thanks
> John.
>
> On Dec 18, 2017 5:44 PM, "camillus gmail" <camillus.b.58 at gmail.com> wrote:
>
> > Hi Gene,
> >
> > Are you looking for the 5.25 drives, or the smaller 3.00 inch drives?
> >
> > I have two of the 5.25 drives and to be honest can't use them because I
> do
> > not have any floppies anymore...
> >
> > If you send me 1 floppie I can test them, and maybe we can swap.
> > I need a 512 triad memory upgrade, which I believe is sold by Mark
> > Marlette for $50.00.
> >
> > Let me know if interested...
> >
> > cb
> >
> > On 12/18/2017 2:24:31 PM, Gene Heskett <gheskett at shentel.net> wrote:
> > On Monday 18 December 2017 14:27:13 John Mautz wrote:
> >
> > > Hello,
> > >
> > > I have had two FD-502 enclosures for a few years now and when I
> > > installed them today, neither drive worked. I do have and FD-501 with
> > > 2 drives and it seems to work (I don't have a lot of disks to test
> > > with). I would like to restore my FD-502 to a 2 drive system in
> > > working order. Why, because the drives are supposed to be double
> > > sided.
> > >
> > > Anyone have 2 working FD-502 drives they would be willing to part
> > > with?
> > >
> > Are you able to remove the drives?
> >
> > If so. you will likely find the lubricant on the rails the head carriage
> > slides on, a dried up caked mess. Clean those rods with paint store
> > alcohol and put a thin film of vasolene or similar very light grease on
> > them again. If the motor to head carriage connection is a very thin
> > steel tape, it wouldn't hurt to clean it also as an old film of
> > cigarette smoke will change its diameter enough to miss track on the
> > inner tracks. If the motor is on the rear of the drive and has a long
> > screw shaft, clean the gunk out of the groove in the shaft, and recoat
> > with vasolene, ditto the tracking wire and the bronze leaf that serves
> > as the drive nut. All this needs to be clean and lubricated. Quiet, you
> > can't alway hear them stepping drives, are surefire signs the drive is
> > due for a clean and lube job. The noisy drive is the one thats stepping
> > accurately from track to track.
> >
> > While you have access, wet a q-tip and run it between the head faces to
> > clean the heads. If any color comes off on the q-tip, toss it, get a new
> > one and "wash, rinse, and repeat" till the wet q-tip stays clean. But do
> > not bend them for a better view. Just slip the wet q-tip between them.
> >
> > > or
> > >
> > > Anyone know of a good source to find replacement drives? (Mitsumi
> > > Elec. Co. - D502).
> >
> > These are genuine antiques today, buyer beware.
> > >
> > > Oh, and yes I have and email out to see if the SDC master (Zippster)
> > > has any CoCoSDC's avail for sale.
> > >
> > > Thanks for the help.
> > >
> > > John.
> >
> >
> > Cheers, Gene Heskett
> > --
> > "There are four boxes to be used in defense of liberty:
> > soap, ballot, jury, and ammo. Please use in that order."
> > -Ed Howdershelt (Author)
> > Genes Web page
> >
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> >
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