Atari ST SCSI hard drive question

Zane Healy healyzh at
Wed May 24 21:03:02 CDT 2017

I think you’ll find that’s an ACSI Disk, I’m not sure how compatible they are with SCSI.


> On May 24, 2017, at 5:12 PM, Win Heagy via cctech <cctech at> wrote:
> I have an Atari 1040ST that I picked up some time back.  It is very clean
> and for the most part appears to work.  It has what appears to be some kind
> of generic SCSI hard drive (no markings except a serial number on the back)
> as well as a DMA/SCSI adapter.  The computer will boot to GEM/TOS with or
> without a floppy, but I can't seem to get the HD to do much.  The HD powers
> up and spins/clicks like you'd expect, but after that, I get nothing on the
> desktop.  I tried different SCSI device number settings as well as moving
> the SCSI plug to each of the two plugs on the drive.  It did not have a
> SCSI terminator with it, but I picked one up...made no difference.
> I know very little about STs, so am learning as I go.  I'm guessing that
> maybe there should be a driver for the HD?  The machine came with software,
> but I don't see anything that looks like an HD driver disk.  It has two
> slightly different language disks and will boot each of them successfully,
> but the HD does not show up.  Is anyone familiar with this particular drive
> and can possibly point me in the right direction?
> The adapter on top is a male to female adapter.  Not sure what that was
> for.  The SCSI terminator is plugged in the back below the DMA/SCSI adapter.
> Thanks...Win
> wheagy at

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