[Coco] FD-502 replacement drives

Kandur k at qdv.pw
Tue Dec 19 00:24:05 EST 2017


If you want to use it as DRIVE 0,
you may have to move a jumper, but most likely
have to change a solder bridge, like this:
http://p.uio.pw/wp/?p=24

Kandur

Monday, December 18, 2017, 8:27:09 PM, you wrote:
> Sony. MPF920-Z

> 3 1/2 Drive as DRIVE 1



> Sent from my BlackBerry Passport Red Edition.

> 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



> swapped it in because it was easier to find and 3 1/2 disks are more plentiful

> Sent from my BlackBerry - the most secure mobile device
> ejmautz2 at gmail.com
> Sent: December 18, 2017 7:24 PM
> coco at maltedmedia.com
> coco at maltedmedia.com
> Subject: Re: [Coco] FD-502 replacement drives


> Rietveld ,


> interesting option.

> Thanks
> John.

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



>> My one Fd502 only had a single drive so I used a 3 1/2 720k sony as drive


>> 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

>> floppy ribbon cable and IDE ribbon cable on top of each other coming out of

>> 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
>> ejmautz2 at gmail.com
>> Sent: December 18, 2017 6:03 PM
>> coco at maltedmedia.com
>> coco at maltedmedia.com
>> Subject: Re: [Coco] FD-502 replacement drives


>> CB,


>> 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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