troubleshooting Question

ESDI Hard Drive and controller, how to set up drive?

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DaBretty asked on
Storage HardwareComponents
6 Comments1 Solution869 ViewsLast Modified:
Hello -

I have a very old PS/2 (Model 60) hard drive that I am trying to recover a few pieces of data off of.  It has an old ESDI hard drive, and unfortunately its floppy drive is completely dead with the CMOS cleared (dead motherboard battery).  Since the right floppy drive is hard to come by (in working condition) I decided to try to go down the route of getting a disk controller for a more "modern" PC that could read the drive.

So now I have a "modern" 486 with an ISA-based ESDI disk controller (Adaptec ACB-2322) with the drive attached.  (BTW, I removed its ISA-based IDE to clear out any confusion)  This ESDI disk controller also has a FDD connector, and this is hooked up.  In the BIOS I disabled all hard drives and booted the PC, to have it successfully boot off of the floppy (so the disk controller appears to be talking okay).

But my question is - and I am totally inexperienced in pre-IDE days like ESDI - how do I get this hard drive to be detected?  The 486's BIOS has the good old IDE auto detection utility (which fails to find anything).  I'm assuming I need to set the drive up manually in the BIOS, but the drive (over 20 years old!) has no markings as to cylinders, heads, etc for me to do so.  Is this the right way of going about this problem - do I need to set this up in the BIOS first?  Anybody know where I could find this ancient information (cylinder count, etc) for my particular drive?

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