QBUS SCSI controller for RT-11

From: Stuart Johnson <ssj152_at_charter.net>
Date: Wed Feb 26 22:03:01 2003

----- Original Message -----
From: "Jonathan Engdahl" <j.r.engdahl_at_adelphia.net>
To: <cctech_at_classiccmp.org>
Sent: Wednesday, February 26, 2003 7:35 PM
Subject: Re: QBUS SCSI controller for RT-11


> DON'T buy that KZQSA for your PDP-11. I made that mistake. I paid $45 for
> one on eBay. When I got it, behold, it would not work. I then looked high
> and looked low, but there are no drivers for this board for any PDP-11 OS.
I
> even looked through the VAX NETBSD source code to see if I might want to
> port it, but I could not find it there either. It is my understanding that
> this board is supported only under VMS. What you want is an MSCP
compatible
> board; the KZQSA is not.
>
<SNIP>
>
> externally. I have been able to use an XT1140 in place of an RD54, I think
> the XT1085 will work also. You have to hack ZRQCH0 or format it on an
> MV2000. Two of them would give you the same amount of storage as one RD54.
>
> --
> Jonathan Engdahl
> http://users.safeaccess.com/engdahl
>
> "The things which are seen are temporary,
> but the things which are not seen are eternal." II Cor. 4:18
>

Jonathan,

Thank you for the warning! This is exactly what I needed to know to save me
a lot of frustration and a handful of money - like most many people, I don't
have any money to just blow :-)

Also, thanks to the other folks for their input.

Thanks,
Stuart Johnson
Received on Wed Feb 26 2003 - 22:03:01 GMT

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