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Thread: Does anyone have a working WORM drive for 130mm discs?

  1. #1
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    Default Does anyone have a working WORM drive for 130mm discs?

    I have a client who has a number (ca. 10) of Panasonic LM-D501W WORM optical discs that need to be read. These are the double-sided 470/940MB discs; my guess is there from a Mac, but the client has no real idea.

    I've had terrible luck with WORM drives--when you can find them, they rarely work. For a small lot, I'd rather not endure the pain.

    So this is a pay-for play job, so name your price. US only, please.

    PM me with details.

  2. #2
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    I was going to say that most MO drives should still be able to read back from a WORM but the capacities you listed are really oddball.

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    Looks like a proprietary drive to me.
    What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
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    You need one of these:

    http://www.applerescueofdenver.com/p...si-worm-drive/

    As noted there the drive model is LNW1-900S1

    Storage Dimensions was around during the Mac II era and sold hardware for Macs (and is dead dead dead).
    What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
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  5. #5
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    There are a couple of drives on eBay, but at the ~$400 and $200 price range; for a one-off customer, buying a drive and hoping it works just isn't worth the risk for me. Note the one at applerescue--"Tested on a Mac 9600 with SilverLining, the drive is recognized, no problem, but the disk cartridge is bad. "

    Or the laser is bad, or... The fact that the drive responds to a SCSI INQUIRY command doesn't tell you anything about the drive's mechanicals.

    Getting a bit of equipment and maintaining it for me is a multifaceted prospect. (1) the size of the job, (2) the likelihood of successfully completing the job and (3) the likelihood that I'll receive requests for the same work in the future.

    The calculus doesn't work for me, but it might for someone with a working drive.

  6. #6
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    FWIW, the compatible drives are Panasonic LF-5010, LF-7010 and LF-5090.

    Said drives were packaged by a few third-parties; e.g. Micro Designs Int'l LaserBank 940.

    The problem with a 470MB WORM drive is that MO read/write was just coming online with similar capacities and the ability to re-write a disk. Around 1994, I had a Pinnacle Apex 4.3GB MO drive. It worked for about the first month, then gave up the ghost. Since it was under warranty, I called PMC and was informed that they were so backlogged on warranty service is that the best they could do was send me a used, refurb replacement--in 90 to 180 days. I didn't bother; just wrote it off.
    Last edited by Chuck(G); January 17th, 2020 at 04:17 PM.

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    The larger drives were buggy which is why they died out. I have half a dozen or more 1.2gb and 2.xGB drives around here and all work plus a HP MO jukebox. The drives I have seem reliable and so are the media.

    I am kind of surprised my IBM WORM drives still work.

    A new 4.3GB drive must have been expensive to just write off back then.
    What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
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    Try these guys? U.K.-based though:
    https://disktransfer.co.uk/optical.php

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    I saw those guys early on. My customer would prefer that the discs not leave the country.

  10. #10
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    Quote Originally Posted by Chuck(G) View Post
    I saw those guys early on. My customer would prefer that the discs not leave the country.
    Surely there's a similar service Stateside?

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