Re: Strange CBM710 with 3.5" drive

From: Chris Osborn <>
Date: Fri, 14 Jun 2013 09:43:46 -0700
Message-Id: <>
On Jun 14, 2013, at 2:37 AM, Michał Pleban wrote:

> It is labeled "SMD-150". From what I was able to found on the net, it's
> a floppy drive made by Epson, single sided, single density, 180kB
> capacity. I didn't even know that single sided 3.5" drives existed? 

My HP150 from 1983 has single sided 3.5" disk drives, made by Sony, which hold 270k. The disks even have a clip to hold the shutter open with a "pinch" label to release the shutter. When they are inserted into the drive, the drive doesn't push the shutter over that far that it has to be manually released, so I don't know why they did that.

Here's the floppy disk:

Here's the HP150:

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Received on 2013-06-14 17:00:44

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