Re: PET CP/M Revisited

From: Mike Naberezny <>
Date: Mon, 22 Jul 2013 23:47:32 -0700
Message-ID: <>
Hi Anders,

On 7/22/13 11:30 PM, Anders Carlsson wrote:
> IIRC, the differences between Hardbox and
> Softbox is the ROM content and that the Softbox has a RS232 interface, but the
> Softbox CP/M software works even without the RS232?

It works.  RS-232 was optional on the SoftBox.

> The Swedish firm (BDE ?) mentioned on the boxes was the importer of SSE as
> well as the Corvus hard drives. From what I understand, the Hardbox interface
> is not a Corvus product, but a SSE product designed to be used with a Corvus
> drive.

Yes, the HardBox and SoftBox were designed by Small Systems Engineering.  SSE 
made other PET/CBM products as well, such as IEEE-488 to RS-232 converters.


Mike Naberezny (

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Received on 2013-07-23 07:01:18

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