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Thread: IDE->USB generic adapters: Do they work with LS-120?

  1. #1
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    Default IDE->USB generic adapters: Do they work with LS-120?

    I'm taking the bold step and assume that LS-120-related topics are "vintage" now.

    At any rate, I've got a Mac Superdisk LS120 drive on the way, but was wondering if a generic IDE->USB adapter will also work with a "naked" LS120 IDE drive.

    Such as this one?

    I've used one of those on IDE CD-ROMs successfully, but was wondering about the LS120 drive in particular.

    Any experience to report?

  2. #2

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    Been fiddling with disk imaging today. I have that IDE to USB adapter. The rounded part on the end gets in the way of the power connector. I tried it with a Compaq LS-120 drive, and all I got was grinding noises. The drive hasn't been used in ages so it may just be broken. What device do they turn up as in linux? lsscsi gave me nothing.
    Looking for: OMTI SMS Scientific Micro Systems 8610 or 8627 ESDI ISA drive controller, May also be branded Core HC, Please PM me if you want to part with one.

  3. #3

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    I have successfully used an IDE to USB with an LS120 drive in Windows XP. Even showed up as drive A.

  4. #4
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    mR_Slug, try using lsusb in Linux. You should see the assignment to /dev with "dmseg | less".

  5. #5

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    The Sata-usb shows up as in lsusb:

    Bus 001 Device 067: ID 152d:2338 JMicron Technology Corp. / JMicron USA Technology Corp. JM20337 Hi-Speed USB to SATA & PATA Combo Bridge


    with CDROM:
    [13757589.921891] usb 1-6: Product: USB to ATA/ATAPI bridge
    [13757589.921893] usb 1-6: Manufacturer: JMicron
    [13757589.921894] usb 1-6: SerialNumber: 1A22CD275529
    [13757589.922402] usb-storage 1-6:1.0: USB Mass Storage device detected
    [13757589.922491] scsi host74: usb-storage 1-6:1.0
    [13757591.071659] scsi 74:0:0:0: CD-ROM IOMEGA CDRW55292EXT3-B SOP2 PQ: 0 ANSI: 0
    [13757591.870272] sr 74:0:0:0: [sr0] scsi3-mmc drive: 252x/48x writer cd/rw xa/form2 cdda tray
    [13757591.870275] cdrom: Uniform CD-ROM driver Revision: 3.20
    [13757591.870402] sr 74:0:0:0: Attached scsi CD-ROM sr0
    [13757714.767168] ISO 9660 Extensions: Microsoft Joliet Level 3
    [13757714.789791] ISO 9660 Extensions: RRIP_1991A


    with LS120:
    [13758118.347009] usb 1-6: new high-speed USB device number 69 using ehci-pci
    [13758118.461848] usb 1-6: New USB device found, idVendor=152d, idProduct=2338
    [13758118.461850] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=5
    [13758118.461852] usb 1-6: Product: USB to ATA/ATAPI bridge
    [13758118.461853] usb 1-6: Manufacturer: JMicron
    [13758118.461855] usb 1-6: SerialNumber: 202C93722202
    [13758118.462371] usb-storage 1-6:1.0: USB Mass Storage device detected
    [13758118.462487] scsi host76: usb-storage 1-6:1.0

    It seems to be picking something up.

    but:
    zcat /proc/config.gz > config
    grep BLK_DEV_IDEFLOPPY config
    gives nothing. (Kernel 4.5.2, did they change this option?)

    I did try "modprobe ide-floppy", which loads the "ide-gd driver 1.18", but still no assignment. I'll see if i can try the drive on a real IDE port.
    Looking for: OMTI SMS Scientific Micro Systems 8610 or 8627 ESDI ISA drive controller, May also be branded Core HC, Please PM me if you want to part with one.

  6. #6

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    I tried it on a regular IDE port and its performance dramatically improved after I removed a stray metal washer on the head mech. It R/W and boots a Dos floppy. However on the IDE/USB device all it seems to want to do is make grinding noises. Even if I don't connect the USB cable, it just grinds and grinds. I think the head is voice-coil positioned, because i can't really work out how else it could operate.

    I did get this in dmesg:
    [13888509.748008] usb 1-6: new high-speed USB device number 73 using ehci-pci
    [13888509.862851] usb 1-6: New USB device found, idVendor=152d, idProduct=2338
    [13888509.862854] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=5
    [13888509.862855] usb 1-6: Product: USB to ATA/ATAPI bridge
    [13888509.862857] usb 1-6: Manufacturer: JMicron
    [13888509.862859] usb 1-6: SerialNumber: 202C93722202
    [13888509.863373] usb-storage 1-6:1.0: USB Mass Storage device detected
    [13888509.863454] scsi host80: usb-storage 1-6:1.0
    [13888518.140009] usb 1-6: reset high-speed USB device number 73 using ehci-pci
    [13888525.326750] scsi host80: scsi scan: INQUIRY result too short (5), using 36
    [13888525.326754] scsi 80:0:0:0: Direct-Access PQ: 0 ANSI: 0
    [13888532.182248] sd 80:0:0:0: [sdh] Sector size 0 reported, assuming 512.
    [13888532.182254] sd 80:0:0:0: [sdh] 1 512-byte logical blocks: (512 B/512 B)
    [13888532.182256] sd 80:0:0:0: [sdh] 0-byte physical blocks
    [13888535.730254] sd 80:0:0:0: [sdh] Write Protect is off
    [13888535.730260] sd 80:0:0:0: [sdh] Mode Sense: 00 00 00 00
    [13888539.379378] sd 80:0:0:0: [sdh] Asking for cache data failed
    [13888539.379383] sd 80:0:0:0: [sdh] Assuming drive cache: write through
    [13888569.807009] usb 1-6: reset high-speed USB device number 73 using ehci-pci
    [13888578.099633] sd 80:0:0:0: [sdh] Sector size 0 reported, assuming 512.

    Any attempt to mount/fdisk just gives buffer I/O errors, critical medium error, etc.

    The drive is a Mitsubishi MF357G-190UA. Sorry, but I'm out of ideas on this one.
    Looking for: OMTI SMS Scientific Micro Systems 8610 or 8627 ESDI ISA drive controller, May also be branded Core HC, Please PM me if you want to part with one.

  7. #7
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    I'll give it shot myself in a couple of days and report back. Thanks for the info.

  8. #8
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    Gave it a shot with Ubuntu 16.04 using a Imatiion Superdisk (LS120 with USB adapter). Seems to work okay, but I can't for the life of me figure out how to use it to format a plain old 1.44MB (DSHD) floppy. Easy enough under Windows 7. ufiformat doesn't like the drive spec. fdformat doesn't like it. Anyone know the answer for a formatter for an LS120 via USB?

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