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  1. V

    Missing cylinder in DOS hard drive tools?

    I'm working through some old MFM HDDs (backing up, erasing, etc.) but I'm noticing that the reported geometry from tools I'm using (e.g. Active@ KillDisk) are reporting one cylinder less than the stated hard drive spec. For example, I'm currently working on an IBM Type 13 20MB HDD with a Xebec...
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    How to use floppy drive cleaning disks?

    I've got myself a floppy cleaning disk but I'm at a loss on how to actually use it and don't want to try incase I ruin something 🙈 giobbi's post seems informative in that the RW head is moved over the wet part of the square 'disk' without it actually spinning (using ImageDisk). Outside of this...
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    Raw HDD cloning tool for DOS?

    I've seen WinImage for DOS posted below but it appears that's more centered around floppies and I don't want to hijack that thread :) I'm looking to be able to copy byte-for-byte a raw physical MFM disk (I'm using its paired controller) and output the image into a file containing the exact same...
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    Old IDE drive powers down when connected

    I'm attempting to connect up an old Seagate ST3120A ~107MB IDE drive to be backed up and then wiped. When the power is connected, the drive appears to spin up as expected, however when the IDE cable is connected it just spins down. I've viewed this resource and adjusted the jumpers, but that...
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    5.25 floppy drive suddenly stopped reading disks

    I was backing up some old floppy disks (using `dd` on Ubuntu), when the drive I was using just stopped working part way through reading the disk. It's not the disk because I tried some disks that I've just copied successfully and the drive is no longer able to read them. The main motor and the...
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