I have a Texas Instruments T1-99/4A computer and related books for it and I
also have a Sinclair 1000 with related books. Can you tell me if they are of
value and/or
use to anyone out there ?
Thank you for any help.
Joe Oleksy
JLO170(a)AOL.com
OK, as long as I don't run into any unforseen trouble that keeps me from
having time, I plan on installing RT-11 on a large disk in the next few
days. However, I won't be using the nice WQESD ESDI controller that I've
got that makes partitioning disks easy. So I want to make sure I
understand how partitioning works under RT-11.
If I'm reading the manuals correctly I would first boot off of my RL02 pack
and do the following
.INIT/BADBLOCKS DU0:
then
.SQUEEZE/OUTPUT=DU0: DL1:
.COPY/BOOT DL1:RT11FB.SYS DU0:
and then boot the system from DU0: So far that's pretty straight forward,
and except for using SQUEEZE to copy the distribution, pretty much the way
I got it from RX50 to RL02.
Now then since I'll want to use more than just the first 30Mb of the Hard
Drive, I'll need to set up partitions. Do I do this prior to initializing
DU0: or after booting from a freshly installed DU0:?
I realize the command to do the partitioning is:
.SET DU0 UNIT=0,PORT=0,PART=0
.SET DU1 UNIT=0,PORT=0,PART=1
.SET DU2 UNIT=0,PORT=0,PART=2
.SET DU3 UNIT=0,PORT=0,PART=3
Also I assume that a partition has to be 65,535 blocks, but does the last
one have to be that, or will it simply be however much space is left?
Zane
| Zane H. Healy | UNIX Systems Adminstrator |
| healyzh(a)aracnet.com (primary) | Linux Enthusiast |
| healyzh(a)holonet.net (alternate) | Classic Computer Collector |
+----------------------------------+----------------------------+
| Empire of the Petal Throne and Traveller Role Playing, |
| and Zane's Computer Museum. |
| http://www.aracnet.com/~healyzh/ |
In a message dated 8/4/99 2:27:58 PM Eastern Daylight Time, g(a)kurico.com
writes:
<< Anyone happen to have the software for this guy? Of course
Dayna was of no use (esp now that they've been sucked up by
Inhel). Also pinouts for the connecting serial cable would be nice,
though I believe it just uses a standard (for the early Macs) serial
cable.
TIA >>
there used to be a website for old mac drivers which is where i found the
setup disk for the computereyes video capture card in my mac II. i coulda
swore it was macdrivers.com, but coming up 404 on that one. you might want to
try here ->
http://www.zws.com/classicmacs/index.html
The term 'cracker' was created to denote people who used their computer
skills to "crack" passwords, "crack" copy protection schemes on software,
and then used that ill gotten information for fame and sometimes profit.
--Chuck
X-No-Archive: yes
Hey all, I just scored a handful of Bernoulli Box stuff: four
cartridges and some manuals and floppy disks. If you are interested,
the details are listed on my "for trade" web page, at this URL:
http://www.cs.unc.edu/~yakowenk/classiccmp/fortrade.html
Cheers,
Bill.
Someone in Austin might want to get down to the Goodwill Computer Works
quick. Look at the stuff in this picture:
http://www.austingoodwill.org/dg/compwork/nostalgi.htm
This page also has pricings for vintage computers they have for sale. The
Computer Works is apparently where most of the old computers that get
donated to Goodwill in Austin end up.
The prices are a tad inflated (in some cases unreasonable) but I'm sure
you can talk them down.
Let us know if you make out.
Sellam Alternate e-mail: dastar(a)siconic.com
------------------------------------------------------------------------------
Don't rub the lamp if you don't want the genie to come out.
Coming this October 2-3: Vintage Computer Festival 3.0!
See http://www.vintage.org/vcf for details!
[Last web site update: 05/25/99]
> 186 ? Interesting ... it seams that there are way more 186 beaste
> than I have asumed... This could be a collecting theme on their own.
Every DEC TQK50/TUK50 (Q/U-bus TK50 tape drive interface) has an 80186 on it.
I've also seen them as drive controllers on several different brands
of SCSI drives. They seem to be rather common in the device/embedded
market.
--
Tim Shoppa Email: shoppa(a)trailing-edge.com
Trailing Edge Technology WWW: http://www.trailing-edge.com/
7328 Bradley Blvd Voice: 301-767-5917
Bethesda, MD, USA 20817 Fax: 301-767-5927
Tony,
Thanks for the suggestions, I'll see what I can see tonight.
I have a copy of the RX02 Field Maintenance Print sets, so I can follow what
you are describing. I don't think I have a spare 2102, but could get one
easy enough.
I didn't think of the load/dump sector buffer approach. That sounds like I
good idea! Any programming help you have would be great! I was trying to
figure out how to get a logic analyzer, but your idea will use the drive to
diagnose itself.
I posted a follow-up on the mailing list. Essentially, as you said, the
disk does spin. I even checked the rotational speed. Plus/minus my
scope's accuracy, it is spinng OK.
I've cleaned the heads, but didn't go any further with mechanical
adjustments. I was assuming that a drive sitting in a box didn't fall out
of adjustment too far, and given that it reads a good portion of the data
correctly, I thought I would probably make things worse.
>>> -----Original Message-----
>>> From: ard(a)p850ug1.demon.co.uk [mailto:ard@p850ug1.demon.co.uk]
>>> Sent: Tuesday, August 03, 1999 1:43 PM
>>> To: Discussion re-collecting of classic computers
>>> Subject: Re: RX02 Repair
>>>
>>>
>>> >
>>> > I've been trying to bring my old RX02 drive back to life,
>>> with little
>>> > success.
>>> >
>>> > I just received a good bootable floppy, and get the same
>>> results as with all
>>> > my old disks, so now I'm looking for hardware problems.
>>> >
>>> > On a PDP-11/03, With RXV21 controller, and an RX02 drive,
>>> the RX02
>>> > initializes, attempts to read the boot block, and crashes
>>> to ODT at 000600.
>>>
>>> I am going to assume that this is a double-density disk
>>> (and thus has 256
>>> byte sectors) and that the DIP switch inside hasn't been
>>> moved since it
>>> last worked on an RXV21 (I can't find the info quickly, or
>>> I'd tell you
>>> how to set it).
>>>
>>> >
>>> >
>>> > > In examining what my system reads as it attempts to
>>> boot, it looks like I
>>> > > read every other 128 byte chunk correctly. I haven't
>>> figured out a
>>> > pattern
>>> > > to the corrupt sections.
>>> >
>>> >
>>> > Does anyone have any RX02 diagnostics, or hardware
>>> trouble shooting tips?
>>>
>>>
>>> Argh!. Fixing an RX02 is a lot worse than fixing an RX01 (I've done
>>> both). The RX01 has an internal diagnostic connector that
>>> you plug an
>>> KM11 into. You can then single-step the microcode,
>>> halt-on-error, etc.
>>>
>>> Anyway, back to the RX02. The controller is the upper board
>>> in the drive
>>> unit. Undo the screws and hinge it up. On it there's a microcoded
>>> processor based on 3 2909 sequencers and 2 2901 ALUs, 1K of
>>> ROM and a lot
>>> of TTL glue. There's also a 2K bit sector buffer based on 2
>>> off 2102 RAMs.
>>> I can talk you through it if you can get the printset.
>>>
>>> >From the fault, I suspect that most of it is working
>>> correctly (most of
>>> the logic is the same for all bits in the sector), and that
>>> the most
>>> likely problem area is the sector buffer and/or its address counter.
>>>
>>> There are some things you can try. Firstly (if you have the
>>> programming
>>> info - if not I'll find it), you can try transfering 256
>>> bytes from the
>>> PDP11 to the sector buffer and then transfering it back
>>> again (without
>>> going via the disk). This will test most of the controller
>>> logic and the
>>> sector buffer RAM. My guess is that this will fail.
>>>
>>> Now look at the siganls to E56 (a 2102 RAM that's the high
>>> half of the
>>> sector buffer). Does it ever get enabled (pin 13 goes low)?
>>> Check back to
>>> E29f (74LS04) if not. If that inverter is OK, then suspect
>>> the address
>>> counter (E63, E57, E51).
>>>
>>> Also suspect E56 itself (this is the most likely problem,
>>> actually). If
>>> you have a spare 2102-1, it may be worth replacing it.
>>>
>>>
>>> >
>>> >
>>> > Steve
>>> >
>>> >
>>> >
>>>
>>> -tony
>>>
I recently picked up a very large desktop-like computer labeled
CompuGraphics MCS-100. I would like to know if anyone knows anything
about this machine. I hope to turn this into a pet project, but I need
some general info. Any help would be greatly apprieciated. Thanks.
Darrell Watson
The only 'xt-type machine I have kept since the "old days" when such things
were common, is a "Challenger" motherboard (made ??? but sold through an
outfit in Boston) which was a 10MHz '186 as the processor in the 'XT
architecture. It had some 16-bit slots, though I never checked them out for
functionality, since there were few devices suitable for that.
Since the integrated peripherals could be relocated to an "out of the way"
location that was almost the first thing that happened in the ROM code.
I've held onto one just in case I ever needed to develop something for a
'186 again. That and the '188 and the NEC V-40 and V-50 were my favorites
of the time. I liked those built-in memory selects that allowed you to
build a system with almost no glue logic.
Dick
-----Original Message-----
From: Hans Franke <Hans.Franke(a)mch20.sbs.de>
To: Discussion re-collecting of classic computers
<classiccmp(a)u.washington.edu>
Date: Wednesday, August 04, 1999 10:00 AM
Subject: 186 (was: CompuGraphics Question)
>
>> The machines I worked on were dual-floppy based, 1 Meg RAM, 80186 for the
>> processor, and run a specialized program for typesetting. AFAIK, they
>> cannot run anything else... but it might be a fun project to see if you
>> could get them to do other things. Hope you're good with x86 assembly
(and
>> maybe disassembly) as I do believe a part of the OS they used was on ROM.
>> How much was ROM and what was booted from Floppy, I couldn't tell you...
>
>186 ? Interesting ... it seams that there are way more 186 beaste
>than I have asumed... This could be a collecting theme on their own.
>
>Gruss
>H.
>
>--
>Stimm gegen SPAM: http://www.politik-digital.de/spam/de/
>Vote against SPAM: http://www.politik-digital.de/spam/en/
>Votez contre le SPAM: http://www.politik-digital.de/spam/fr/
>Ich denke, also bin ich, also gut
>HRK
