26 Feb
2003
26 Feb
'03
8:23 a.m.
I noticed an auction on eBay for a KZQSA-SA SCSI controller and I was
wondering (silly me) if it could be used with RT-11. I know that RT-11 is much
older than this board, but I was hoping someone had written a driver for it.
If the KZQSA isn't compatible, I'm open to suggestions as to what SCSI QBUS
board to get to use in an 11/53 (similar to the machine described on Johnathan
Engdahl's site), and if known, where I might get such, hopefully at a decent
price - not $799 like on eBay!
Thanks,
Stuart Johnson
26 Feb
26 Feb
11:31 a.m.
On 2003.02.26 15:46 Stuart Johnson wrote:
I noticed an auction on eBay for a KZQSA-SA SCSI
controller and I was
wondering (silly me) if it could be used with RT-11.
AFAIK the KZQSA was intended
as a tape only adapter for the later VAX
4000 QBus machines. It needs special drivers, it does no MSCP emulation
like e.g. a Dilog SQ706. So you would need new drivers for RT-11.
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/
11:52 a.m.
> I noticed an auction on eBay for a KZQSA-SA SCSI
controller and I was
> wondering (silly me) if it could be used with RT-11.
AFAIK the KZQSA was intended as a tape only adapter
for the later VAX
4000 QBus machines. It needs special drivers, it does no MSCP emulation
like e.g. a Dilog SQ706. So you would need new drivers for RT-11.
I *believe* that the only DEC Q-Bus adapter that RT-11 supports is the RQZX1
(as mentioned in the V5.7 SPD). Pretty much any 3rd party disk controller
that does MSCP emulation (DU) should work. For tape you need TMSCP
emulation (and V5.4 or higher).
Zane
12:15 p.m.
New subject: DataSaab ???
At the last TRW Swapmeet, I picked up a Datasaab Mode 3422-6 something
or other. It is about a foot square, has a keyboard at the top, a 4 x 6
matrix of unmarked keys on the lower left, and a numberic keypad at the
lower right. At the top left is what looks to be the power switch, and
there are two two-position key switches at the top right; the first
labeled "K" and "O", and the second labeled "A",
"O", and "B" (I know
two positions, three labels.) It has one 15 pin female connector on the
top side of the panel. I don't have a digital camera right now available
to take pictures; anyone have any idea what this thing might be?
2:16 p.m.
New subject: DataSaab ???
On Wednesday, February 26, 2003, Marvin Johnston wrote:
At the last TRW Swapmeet, I picked up a Datasaab Mode
3422-6 something or
other. ... anyone have any idea what this thing might be?
A diagnostic tool that connects to a Saab vehicle?
--
Jeffrey Sharp
27 Feb
27 Feb
9:03 a.m.
New subject: SV: DataSaab ???
I don't think it is a test tool for a saab.
Swedish DataSAAB was a part of the car and airplane manufacturer SAAB once
upon a time. They used to build big computers in the late sixties / early
sevnties, D-21 and D-23.
I would suspect that your thing is some kind of simple data entry (maybe for
banking, they did bank terminal systems) device to be connected to big IBM
(maybe) system or similar.
This link gives some valueable information:
http://www.ctrl-c.liu.se/misc/datasaab/om-eng.html
/Mattis
-----Ursprungligt meddelande-----
Fran: cctalk-admin(a)classiccmp.org
[mailto:cctalk-admin@classiccmp.org]For Jeffrey Sharp
Skickat: den 27 februari 2003 02:13
Till: cctalk(a)classiccmp.org
Amne: Re: DataSaab ???
On Wednesday, February 26, 2003, Marvin Johnston wrote:
At the last TRW Swapmeet, I picked up a Datasaab Mode
3422-6 something or
other. ... anyone have any idea what this thing might be?
A diagnostic tool that connects to a Saab vehicle?
--
Jeffrey Sharp
26 Feb
26 Feb
2:39 p.m.
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.
Fortunately someone with a VAX bought it off me for the same price I paid
for it, so I was only out the shipping.
I tested a Viking QDT with RT-11 and a 1 gig HD. Of course, I could only use
the first 30 megs. This one is destined for a BSD machine anyhow.
I got the QDT for $45 on eBay. Someone put it up with a buy-it-now of $45.
Someone tipped me off, and I got there first. It pays to keep a sharp eye on
eBay. I just bought a KDJ11-SD off eBay for $5. This is a nice one: rev -09
CPU, 18 MHz, 1.5 megs RAM. Other recent eBay steals: RQDX3 for $10, DESQA
for $8.50.
While you are waiting for your dream SCSI board to show up, there are two
Maxtor XT1085 in that box lot that is on eBay right now. (The seller
mistyped it as KT1085). This drive is physically identical to the RD54
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
----- Original Message -----
From: "Stuart Johnson" <stuart(a)stuartsjohnsonfamily.net>
To: <cctalk(a)classiccmp.org>
Sent: Wednesday, February 26, 2003 9:46 AM
Subject: QBUS SCSI controller for RT-11
I noticed an auction on eBay for a KZQSA-SA SCSI
controller and I was
wondering (silly me) if it could be used with RT-11. I know that RT-11 is
much
older than this board, but I was hoping someone had
written a driver for
it.
If the KZQSA isn't compatible, I'm open to suggestions as to what SCSI
QBUS
board to get to use in an 11/53 (similar to the
machine described on
Johnathan
Engdahl's site), and if known, where I might get
such, hopefully at a
decent
price - not $799 like on eBay!
Thanks,
Stuart Johnson
3:21 p.m.
New subject: DEC and Maxtor MFM drives (was Re: QBUS SCSI controller for RT-11)
On Wed, 26 Feb 2003, Eric Smith wrote:
Johathan Engdahl wrote:
Yeah, but net.wisdom sez you can format an xt1140 to the same specs as an
xt2190. I haven't had need to do it -- yet.
Bill
I have been able to use an XT1140 in place of an
RD54,
Note that the XT1140 only has 918 cylinders, while the RD54 (a
Maxtor XT2190) has 1224 cylinders.
5:19 p.m.
New subject: DEC and Maxtor MFM drives (was Re: QBUS SCSI controller for RT-11)
Correct. And thus it is not natively supported by the PDP-11 RQDX3
formatter. But if you hack ZRQCH0, it belives it *is* an RD54, with only 918
cylinders. You can then format it. When you hook it up to a BSD system,
everything works great, because the drive parameters are on the first track,
and the RQDX3 does the right thing. It's only 112 megs instead of 150, or
something like that, but it's plenty of room for BSD, and a lot bigger than
any other drive that's supported by the RQDX3, other than the RD54 itself.
see http://users.safeaccess.com/engdahl/xxdp.htm
--
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
----- Original Message -----
From: "Eric Smith" <eric(a)brouhaha.com>
To: <cctalk(a)classiccmp.org>
Sent: Wednesday, February 26, 2003 8:44 PM
Subject: DEC and Maxtor MFM drives (was Re: QBUS SCSI controller for RT-11)
Johathan Engdahl wrote:
I have been able to use an XT1140 in place of an
RD54,
Note that the XT1140 only has 918 cylinders, while the RD54 (a
Maxtor XT2190) has 1224 cylinders. 
4:26 p.m.
On Wed, 26 Feb 2003, Jonathan Engdahl wrote:
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.
It appears to be supported under Ultrix for the QBUS mips machines, and
support disks as well.
--
5:03 p.m.
----- Original Message -----
From: "Jonathan Engdahl" <j.r.engdahl(a)adelphia.net>
To: <cctech(a)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
7816
days inactive
7817
days old
11 comments
11 participants
participants (11)
-
eric＠brouhaha.com -
healyzh＠aracnet.com -
j.r.engdahl＠adelphia.net -
jkunz＠unixag-kl.fh-kl.de -
jss＠subatomix.com -
marvin＠rain.org -
mattis＠mattisborgen.org -
ssj152＠charter.net -
stuart＠stuartsjohnsonfamily.net -
thompson＠new.rr.com -
wpfulmor＠dimensional.com