In a message dated 12/3/03 12:16:03 PM Pacific Standard Time,
ard(a)p850ug1.demon.co.uk writes:
> At the back is a single slot (looks to be VME, but I wouldn't put
> money on it) contains a parallel interface card that links to a DR11-W
> type interface in the host. Not SCSI. Maybe some later ones were SCSI,
> though
Tony is right. SCSI is for a Sun connection. VAX is different. Following is
more from the referenced docs:
Each node of the machine effectively consists of a single bit processor,
optional floating point accelerator and node memory.
The DAP 510 is small enough to fit under a desk, while the DAP 610 is housed
in a standard EIA rack cabinet. Both DAP models can be hosted by Sun or DEC
VAX computers and workstations.
The DAP can be connected to a Sun host via the SCSI interface. Connection to
DEC VAX systems is via DR11W or DRB32 interfaces. Connection to the Aptec IOC
is supported as well as direct connection to VME bus.
DAP 510 DAP 610
Array size 32 x 32 64 x 64
Array memory 8 Mbytes 16 Mbytes (max. of 128 or 512
Mbytes)
Code store 512 Kbytes 512 Kbytes (max. of 4 Mbytes)
Instruction rate 10 MHz 10 MHz
host Sun or VAX Sun or VAX
Size 17 x 13 x 20 in. 45 x 25 x 38 in.
The present DAP systems are third-generation machines which started with a 64
x 64 array originally installed at QMC (Queen Mary College, University of
London). The QMC machine, which had an effective cycle time of 250 nsec, proved
highly adaptable to a wide range of numerical problems based on partial
differential equations. The performance on large-scale Monte Carlo simulations in
lattice gauge theory and molecular dynamics was found to be exceptional and, in
some specialized applications such as the Ising model, the DAP outperformed a
CRAY-1 by a factor of 10.
I stopped by a scrap place and picked up an interesting looking board. It
has a number of AM29818 "Diagnostic Resisters" on it. I wasn't familar with
them so I looked them up on the net and found this
<http://www.national.com/pf/54/54ACT818.html> for an equivelent part. Is
there anybody here familar with these that would care to tell me what they
are in plain english?
Joe
Hi folks,
Whilst getting an old Videomaster pong ready for sale (even though I know
nobody will buy it) I discovered it still had its batteries in from the last
time it was used - 1970s by the looks of the batteries - and they'd
naturally leaked all over the place.
I've tried standard Foamcleaner (anti static, natch) to remove the lovely
brown stuff but it's not having any of it. Any tips for removal of this
stuff without scratching the plastic too much?
cheers,
--
adrian/witchy
www.binarydinosaurs.co.uk - the online computer museum
www.snakebiteandblack.co.uk - ex-monthly gothic shenanigans :o(
Hi Bert,
A nice guy from the list sent me a PDF. It's basically 80mb.
Do you know a place were I could upload it ?
Or I could send you a copy on cd to your home adress.
Cheers,
Marc
Hi Mark,
In http://www.classiccmp.org/pipermail/cctech/2002-November/004634.html
I see you're looking for an Emulex UC04 manual. Did you find it? If
you have it available electronically, can I please have a copy?
The reason I ask is that I just bought a PDP11/73 and have a problem
getting 2.11BSD installed. See http://original.xs4all.nl/elfje/
TIA,
--
Bert Kiers, !MCSE && 0xFF, frique d'ordinateur
------------------------------
Message: 8
Date: Wed, 3 Dec 2003 14:28:53 +0100
From: Jochen Kunz <jkunz(a)unixag-kl.fh-kl.de>
Subject: Re: KFQSA docs and MDM (was RE: Help needed:Setting up a
KDA50)
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk(a)classiccmp.org>
Message-ID: <20031203132853.GD10837(a)unixag-kl.fh-kl.de>
Content-Type: text/plain; charset=iso-8859-1
On Wed, Dec 03, 2003 at 11:25:37AM +0100, Pierre Gebhardt wrote:
> Megan, do you know the jumper settings for the KFQSA ?
> Or anyone else ?
http://www3.sympatico.ca/n.rieck/docs/vax_vms_dssi_notes.html
> My idea is to boot NetBSD over Ethernet and install it on the RA-92
> (there are no other drives installed in the VAX!).
> Can BSD find the drive directly, format it and be installed on it,
> or do I have to need a special programm as MDM to format the drive?
It should just work, if SDI disks don't need a low level format prior
to OS install. Unfortunately I don't own any SDI equipment. Only
a KFQSA + DSSI disks besides SMD and ESDI MSCP controlers.
--
tsch|_,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/
------------------------------
Message: 9
Date: Wed, 3 Dec 2003 10:14:11 -0500
From: "John Allain" <allain(a)panix.com>
Subject: Cipher 8xx parts
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk(a)classiccmp.org>
Message-ID: <00a101c3b9b0$1bc0aae0$8a0101ac@ibm23xhr06>
Content-Type: text/plain; charset="iso-8859-1"
I have a Cipher 891 cachetape 1600/3200 on the east coast
for parts for anyone willing to get it/ship it. Otherwise I'll probably
savage (a lossy salvage) it.
I got it in stated nonworking condition.
Sure enough, it complains mightily through its statuslights.
Mechanically it's in great shape.
John A.
------------------------------
Message: 10
Date: Wed, 3 Dec 2003 10:36:32 -0500
From: Ethan Dicks <dickset(a)amanda.spole.gov>
Subject: Re: Emulex UC04 manual
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk(a)classiccmp.org>
Message-ID: <20031203153632.GA4445(a)bos7.spole.gov>
Content-Type: text/plain; charset=us-ascii
On Wed, Dec 03, 2003 at 02:05:34PM +0100, Bert Kiers wrote:
> The reason I ask is that I just bought a PDP11/73 and have a problem
> getting 2.11BSD installed. See http://original.xs4all.nl/elfje/
I see you've found a somewhat-common chicken-and-the-egg problem while
trying to load 2BSD on your box. Have you examined "vttape"? It's
a virtual tape program that lets you force-feed a PDP-11 via a PeeCee
over the console port.
I haven't used it, but from what other people say about it, it's probably
the least-additional-hardware-intensive way to go.
-ethan
--
Ethan Dicks, A-130-S Current South Pole Weather at 03-Dec-2003 15:30 Z
South Pole Station
PSC 468 Box 400 Temp -16.1 F (-26.8 C) Windchill -54.7 F (-48.2
C)
APO AP 96598 Wind 13.5 kts Grid 058 Barometer 696.4 mb (10014.
ft)
Ethan.Dicks(a)amanda.spole.gov
http://penguincentral.com/penguincentral.html
------------------------------
Message: 11
Date: Wed, 3 Dec 2003 10:59:40 -0500
From: Ram Meenakshisundaram <RMeenaks(a)OLF.COM>
Subject: Transputer box with 4 transputers on ebay
To: "'cctalk(a)classiccmp.org'" <cctalk(a)classiccmp.org>
Message-ID:
<92322E4B3209D511A19100508B55847803673881(a)exchange.olf.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi,
Another auction:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3445280936&category=3666
This one has 4 CSA TEK boards on its own backplane. Really cool. Have too
many of these, so I am not bidding on this. Ships worldwide...
Ram
) 2003 OpenLink Financial
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------------------------------
Message: 12
Date: Wed, 3 Dec 2003 12:33:09 EST
From: Antman692(a)aol.com
Subject: PageBrush 256
To: cctech(a)classiccmp.org
Message-ID: <ad.36df51aa.2cff7855(a)aol.com>
Content-Type: text/plain; charset="US-ASCII"
I have a PageBrush 256 hand held scanner. My question is what kind of pc
card
do I need? antman692(a)aol.com thanks
End of cctech Digest, Vol 4, Issue 5
************************************
I think this is worth saving. To quote one of the referenced Docs:
>
> >> These machines were built by Cambridge Parallel Processing Inc.
>> (formerly Actime Memory Technology Ltd.) The Gamma II was based on Distributed
>> Array processor (DAP) technology. These SIMD machines utilize Processing
>> Elements (PEs) combined with 8-bit coprocessor for floating point speedup. As is
>> typical of SIMD architectures, the PEs are controlled by a Master Control
>> Unit (MCU) that reads instructions from a separate code store. This processor
>> doubles as a scalar processor. The DAP 500 has 32X32 PEs = 1024 that are
>> clocked at 10MHz. The DAP models operate according to a 100ns cycle time.
>> This machine supports variable length matrix operations.
>>
The DAP 610 has 64X64 PEs....10MHz
> >>
>>
>> Parallel Fortran (FORTRAN-PLUS) is supported, a goal is to support Fortran
>> 90 and Parallel C.
>>
>>
>>
>> These systems seem to be very typical of the SIMD architectures studied in
>> class. Note from above the presence of a MCU. The PEs are said to each
>> have its own part of an array memory ? sounds like a distributed memory system.
>>
>>
>>
>> These machines seem to have been built in 1988. The DAP Gamma was released
>> in 1997. The company?s home page did not respond, yet data sheets were
>> available for their computers (Hmmm). At the time that the web document was
>> written (1998), there were 115 DAPS installed worldwide. I expect that these
>> machines are still in use.
>>
>>
>>
>> These machines were geared for large-scale signal and image processing.
>> Other applications include molecular modeling and fluid flow. Fast text data
>> base searching seems to be a market area that they have had some other
>> success in.
>>
>>
>>
>> The host or front end determines the OS, typically Unix or VMS. The host
>> is typically a Sun workstation.
>>
>>
>>
>> Current works invovles a HiPPI interface. The DAP utilizes a high speed
>> data channel that supports transfers at rates up to 70Mbyte/Sec. Transfers
>> between memory and processors varies between models but is between 1280
>> Mbyte/Sec and 5120 Mbyte/Sec.
>>
>>
>>
>> This is a true SIMD machine.
>>
>>
>>
>
I want I want but it is not possible. Someone should save this. It is a full
rack mount system that uses either a Sun workstation or a VAX as a front end.
Connects by SCSI and uses the front end OS, nice.
Paxton
Astoria, OR
Well, it finally happened :-). I was able to talk to my pdp-8L at 19200
baud over an RS-232 link from my PC. Just a cable swap and some dip-switch
adjustments and I can talk to my TTY over current loop.
However, my TTY doesn't have the reader-run mod. Does anyone have a TTY
with reader-run in or near the PDX metro area that I could test with?
Thanks,
Vince
All,
This is highly off-topic, but (imho) important enough to just
send out anyway.
I am moving the www.pdp11.nl site to a new server, for two reasons:
- it is currently on one of our production servers, which must
stop (for Dutch taxing reasons.)
- it will be moved to the colo room of my isp, who have offered
to host it to "help the good cause". yay!
So.. new server, then. Since it's a DEC Archive, local friends
have made sure I understood (...) how important it was that it'd
run on Classic Hardware. Trust me, they've mentioned that to no
end....
I ended up deciding on an Intel-based box, rather than a VAX or
Alpha, mostly because the box has about 400GB of EIDE-based disk
storage, which wont happen in a VAX. I decided against an Alpha
for other reasons, so ended up with Intel.
New machine is a Digital Server 1206, with (now) dual P2/333, but
probably with faster CPU's as soon as I find them... the box can
handle up to 533, which means it'll end with P2/466's. It has
512MB of RAM- the mainboard wont support more. Disk space is set
up using a mirror volume of two 9GB disks off a Mylex DAC960 for
the OS, and then a Promise EIDE controller for the four EIDE disks,
which are in RAID5 configuration. No problems there.
The real bitch seems to be the choice of which OS to run on it. I
prefer OpenBSD for such jobs, but alas, that (a) wont do SMP, and
(b), much worse, it doesnt support the Mylex.
I just did a test install of Linux on it, and that works, so at
least I can set it up.
So.. remembering the "which OS" discussion earlier, I need a lean
distro of Linux with no GUI crap, including all the stuff one'd
need for a dedicated web server.
Anyone here (Jay?) have put something together, or, much better,
have added Mylex to OpenBSD? ? :)
Please reply *off-list* , I will summarize later- we dont want a
massive debate here.
Cheers,
Fred
--
Fred N. van Kempen, DEC (Digital Equipment Corporation) Collector/Archivist
Visit the VAXlab Project at http://www.pdp11.nl/VAXlab/
Visit the Archives at http://www.pdp11.nl/
Email: waltje(a)pdp11.nl BUSSUM, THE NETHERLANDS / Sunnyvale, CA, USA