> Does anybody know more about this accelerator? What kind of
> performance does it yield compared to, say, one of the later
> Quadras? Are there basic differences in the I/O and bus
> architecture that will prevent the 68040 from reaching its
> full potential on a Mac II mainboard as opposed to a 68040
> in a Quadra? Do Quadras have faster SCSI?
Don't know about the accelerator, Daystar is either out of
the Mac business altogether, or at least not making accelerators
anymore; Sonnet resells some Daystar stuff; a web search should
yield more info.
Quadras vary significantly in their apparant speeds; we've had
Quadra 605s (an LC-II class machine, 16 or 25MHz 040 sans FPU),
Quadra 700s (Mac IIci form factor, 25MHz 040 w/FPU), Quadra 650s
(33MHz 040 w/FPU), Quadra 800s (80MHz 040/40MHz bus w/FPU) and
the similar Quadra 840AV which has two SCSI busses (busi?) using
a different chipset or on-board acrchitecture.
But as a comparison, on some tasks, the 25MHz 700s are as fast
as the 33MHz 650s; on other tasks, the 650s were faster.
I have a Mac IIci at home with the Radius Rocket installed
(mine is the 33MHz version). Different accelerator (the
rocket has its own RAM and plugs into a NuBus slot); it is
definitely not as fast as a Q650, and maybe not even as fast
as the Q700. However, software was available called Rocketshare
which made it possible to run the Mac in sort of an SMP mode.
> Also, the machine has two floppy drives; how do the Mac II
> drives rank among those found in Apple machines in terms of
> usefulness/durability?
The earlier 800k floppy drives weren't Superdrives (actually
standard 1.44/2.0MB floppies), IIRC; I think the Mac IIci was
the first with those. Not sure if a retrofit is possible.
Mac owners tend to have been less sophisticated, and either
never cleaned their floppy drives, or cleaned them wrongly;
however, I've seen few that totally quit working. They usually
just refuse to read floppies written on drives other than
themselves.
regards,
-dq
Who says there's never any good computer stuff available in Canada?
There's a LOADED HP-9845B for sale on E-bay. The HP_9845 was HP's top of
the line desktop calculator and it's a hell of a machine! It's located in
Edmonton, Alberta, Canada.
"http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=472936502"
Description
HP 9845B
HP 9845B Desktop Computer, with 98035A Real Time Clock module,98034A
Revised 98034A HP-IB Interface,the green rom drawer with 98412A Option
312 I/O Rom, and the black rom drawer with I/O 98412A and Graphics
98411A roms, a 633 page manual called General Utility Routines, with 3
Program cartridge tapes, HP (2)98032A 16 Bit Interface Installation and
Service Manuals, 98034A HP-IB Interface Installation and service manual,
also a quick reference guide. The pictures below show the computer in a
running mode, on a further power on, the fuse blew and that is the
status of the unit now NON working. The unit is very heavy approximately
90 lbs and shipping will be around $130.00 depending on location.
See the ad for pictures. See my write up about the HP 98xx machines at
"www.intellistar.net/~rigdonj/9800.htm" for more details about the HP 9845
and other 98xx machines.
Joe
>> The box may be an earlier model, badged microPDP11, so
>> I have to wonder if the VAX, 2 mem bds, kda50, RA70,
>> RQDX3 (for the RX33) and a DELQA would be too much for
>
>Be very careful with that chassis! If it was really a MicroPDP, it will
>have an 18 bit qbus backplane in it. It will _destroy_ 22 bit qbus boards
>since there are power pins on the 18 bit bus that mate to data pins on the
>22 bit bus.
>
>Then again, my memory may be completely broken and I've got it all wrong.
:)
>
>g.
I think you are remembering the BA11S and others. All the BA23's I have had
and seen have all had 22 bit backplanes. ( I have at least 15 BA23's at the
moment.)
Dan
In a message dated 10/18/00 4:56:26 PM Pacific Daylight Time,
rigdonj(a)intellistar.net writes:
> motorola Exordisk III
<A HREF="http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=467562310">
eBay item 467562310 (Ends Oct-23-00 11:51:30 PDT) - motorola Exordisk III with
</A>
This is the correct link for the Exordisk.
Paxton
Hi Jerome,
It is not that I was trying to keep the project hush, hush. I thought most
people would not be too interested in the dry details. The basic thing is I
need a floppy media that is SCSI as that is the only disk interface I have.
I am in the process of creating a truly standalone transputer workstation.
Transputers
usually use a host machine (PCs, SUNs, VAX, etc) for IO including disk
storage, video,
etc. I do not want to do this. I currently have a parallel port tram,
video tram, scsi tram,
ethernet trams, gpib tram and whole box full of computation trams. I am
missing some pieces
like the serial tram and the eeprom tram (which I need be able to do
standalone booting).
All of this is going to be housed using a PC motherboard which is only going
to be used as
a ISA bus chasis providing power for the cards. I am going to remove ALL PC
related boards
>from the motherboard. I could use a ZIP drive, etc, but a true floppy
drive will make it more realistic.
It is basically my version of the ATW800 atari transputer workstation, but
only better (hopefully). Thanks
for your help....
Ram
If you have or can readily borrow a farm tractor you can use a boom pole. I
have done this several times with some pieces that were pushing 1000+
pounds. Not quite as nice as a fork lift but it does work. I am currently
keeping my eyes open for a fork lift attachment for a 3 point hitch.
If you go this route make sure it is a good size tractor and it has a fair
amount of front end weights. Expect to do all your turning with the brakes
as there won't be much control with the front tires.
This is from experience on a 60 HP diesel with 200 pounds of front wheel
weights.
Dan
Here is a guy in Columbia, Pennsylvania with some that needs to find a new
home. As always, please contact the original sender.
Reply-To: lizric(a)earthlink.net
---------- Forwarded message ----------
Date: Mon, 9 Oct 2000 16:25:9 -0400
From: Richard Mackison <lizric(a)earthlink.net>
Subject: used items
Hi
I have a few items that you may or may not be interested in. TI-99/4A
w/voice syn. plus some games, Laser 128(APPLE 11C clone), with software,
12" monitor 80 model BM7622 LA amber phosphor, and last printer Seikosha
model SP1000. Every thing works and is in original box.
Rick Mackison
--- lizric(a)earthlink.net
--- EarthLink: It's your Internet.
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
--- Jarkko Hermanni Teppo <jate(a)uwasa.fi> wrote:
> On Tue, Oct 17, 2000 at 12:58:58PM -0700, Ethan Dicks wrote:
> > Also, are there any VAXBI experts out there? I have a DEBNT that did
> > not come in my machine and I need some help with installing it (where
> > the cab kit plugs into the I/O section of the VAXBI bus, especially)
> >
>
> [In the case of 8350] Pull the BA-box out, open top-cover, choose slot,
> insert card, flip BA-cabinet, remove bottom plate, check that the slot has
> the ID-jumpers...
Yep... standard stuff...
> insert cables
Ah! Here's the crux of my question... *which* connector of the appropriate
slot gets the cable? It's easy for a KDB50 - it's all of them.
> Seriously, that's the way it probably should be done. The machine I have is
> suffering from some weird stuff, it seems KDB is faulty. If anyone wants to
> take a look I have some EBUCA logs at
>
> http://www.tec.puv.fi/~s99137/kuvat/vax_logs/
I had a glance at them. Your KDB50 isn't showing up at all. How do the
lights on the edge of the card go during power on/reset? You should, IIRC,
see one amber light per card after a somewhat lengthy delay (perhaps it's
only on the primary card) Also, the red edge LEDs should strobe when all is
well. I know my KDB50 has always been flaky, even when we bought the 8200,
used in 1989, for $13,000. What always seems to work is reseating the cards
in the VAXBI blackplane. When it's acting up, it's obvious - the lights don't
look right.
Good luck with yours,
-ethan
=====
Even though my old e-mail address is no longer going to
vanish, please note my new public address: erd(a)iname.com
The original webpage address is still going away. The
permanent home is: http://penguincentral.com/
See http://ohio.voyager.net/ for details.
__________________________________________________
Do You Yahoo!?
Yahoo! Messenger - Talk while you surf! It's FREE.
http://im.yahoo.com/
Can anyone point me to a source for the non-PC compatible version of MS-DOS
used on the HP Series 100 machines? I recently found a complete HP 150
system (the touchscreen monitor/processor unit, a dual 3.5" floppy unit,
HPIB interface Thinkjet, and keyboard), but couldn't unearth any software
or docs.
I'm interested in the OS, as well as apps that will run on a 150. I'll pay
cash, or am open to trades if I have surplus items of interest. Please
reply off-list to gregorym(a)cadvision.com
Also, is the 150's keyboard cable just a 6 pin straight through cable with
the large phone type connectors (whose name escapes me at the moment)?
Thanks in advance.
Mark Gregory
