2.11BSD on two RL02 drives? Probably not, but...

Eric Smith spacewar at gmail.com
Wed Aug 2 21:22:50 CDT 2017

On Wed, Aug 2, 2017 at 7:24 PM, systems_glitch via cctalk <
cctalk at classiccmp.org> wrote:

> You might consider just adding another storage controller. I'd recommend
> something that talks MSCP. SCSI seems to be what most people are after
> nowadays, but ESDI controllers are much cheaper, and the drives aren't that
> hard to find. If you have SMD drives kicking around already, there are SMD
> MSCP interfaces that also work well. I've had excellent luck with Emulex
> MSCP controllers.

I had good results on both Unibus and Qbus systems with using a CMD MSCP
SCSI controller and an Iomega ZIP drive. It was very convenient to be able
to stick the ZIP cartridge in a drive on a PC for access from simulators
etc.  I used it with RT11, RSTS/E, and BSD.

100MB might not be enough to be interesting for general purpose use on a PC
any more, but it's fine for a PDP-11.

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