I've aquired a copy of each:
MVII DIAG MAINT TK50 AQ-GM5AN-DN
MV DIAG CUST TK50 AQ-GL5AP-DN
I'm going to try using dd to generate an image for duplication
tonight. If I can make a bootable duplicate from the image, and if
there are no licensing issues, I'll make the images available. Any
interest or comments?
Doc
> From: Tony Duell <ard(a)p850ug1.demon.co.uk>
> And the ZX81 BASIC is so unpleasant (single-key entry --
> YUK!)
Hmm, I regard single-key entry as a feature . . .
Glen
0/0
Does anyone have hardware docs for a DEC RC25 dual drive? I just received a
couple and was planning to install one of them in my 11/725 but the power
connectors are different. Any help would be appreciated. I am also looking
for a spare CPU set for an 11/34.
I'll be out of town until Sun so thanks in advance.
Brian.
I did it! I did it! I did it! Yeah!
See for yourself:
#123456789 0123456789 0123456789 01234567#
F E D C B A 9 8 7 6 5 4 3 2 1 0 NODE #
A A . A M M M M P P P P P P TYP
o o . + + + + + + + + + + + STF
. . . . . . . . E E E E E B BPD
. . . . . . . . + + + + + + ETF
. . . . . . . . E E E E E B BPD
. . . . . . . . . + . . + + + . XBI D +
. . . . . . . . . + + . + . + . XBI E +
. . . . A4 A3 A2 A1 . . . . . . ILV
. . . . 128 128 128 128 . . . . . . 512 Mb
ROM0 = V4.00 ROM1 = V4.00 EEPROM = 2.03/4.02 SN = AG94408887
Restarting system software.
Restart failed due to previous error.
Loading system software.
Ultrixboot - V4.5 Sun Sep 17 13:03:13 EDT 1995
Loading (a)vmunix ...
Sizes:
text = 1153664
data = 281088
bss = 1043548
Starting at 0x5219
ULTRIX V4.5 (Rev. 47) System #3: Wed Oct 18 11:49:00 EDT 1995
real mem = 536346624
Memory configuration adjusted to run with small system page table
real mem = 5242880
avail mem = 1866752
using 128 buffers containing 524288 bytes of memory
bcNode ID = 1
VAX6460, ucode rev 6, ucode opts 0, system type 0x02400101.
FPA is enabled
xmi 0 at address 0x21800000
xrp at xmi0 node 1
xrp at xmi0 node 2
xrp at xmi0 node 3
xrp at xmi0 node 4
xrp at xmi0 node 5
xrp at xmi0 node 6
xma at xmi0 node 7
xma at xmi0 node 8
xma at xmi0 node 9
xma at xmi0 node 10
kdm0 at xmi0 node 11
uq24 at kdm0 csr 100 vec 554, ipl 15
vaxbi13 at xmi0 node 13
xbib at vaxbi13 node 1
klesib at vaxbid node 2 failed to initialize!
kdb0 at vaxbi13 node 3
uq4 at kdb0 csr 362 vec 514, ipl 15
xna0 at vaxbi13 node 6
xna0: DEC DEBNI Ethernet Interface, hardware address 08:00:2b:34:a5:ca
vaxbi14 at xmi0 node 14
xbib at vaxbi14 node 1
dmb0 at vaxbi14 node 3
ci0 at vaxbi14 node 5 (CIBCA-BA)
aie0 at vaxbi14 node 6
bvpssp2 at aie0
ra0 at uq24 slave 0 (RA90)
tms6 at bvpssp2 slave 6 (TK70)
WARNING: todr too small -- CHECK AND RESET THE DATE!
Sun Jul 4 13:29:26 EDT 1976
Automatic reboot in progress...
/dev/ra0a: 638 files, 5927 used, 9624 free (144 frags, 1185 blocks, 0.9% fragmen
tation)
/dev/rra0d: umounted cleanly
check quotas: done.
local daemons: syslog sendmail.
Removing remnant Opser files
preserving editor files
clearing /tmp
standard daemons: update cron accounting network snmpd printer.
start errlog daemon - elcsd
Sun Jul 4 13:29:44 EDT 1976
Sun Jul 4 13:29:46 1976 elcsd:datagram socket bind error ; Can't assign reques
ted address
Sun Jul 4 13:29:47 1976 elcsd:stream socket bind error ; Can't assign requeste
d address
Sun Jul 4 13:29:47 1976 elcsd:error can't open/setup main errlog file ;
Sun Jul 4 13:29:47 1976 elcsd:no errlog path for backup file;
Sun Jul 4 13:29:47 1976 elcsd:open/setup single user mode errlog file /syserr.
phicus;
ULTRIX V4.5 (Rev. 47) (phicus)
login: root
Sun Jul 4 13:30:01 EDT 1976
Password:
ULTRIX V4.5 (Rev. 47) System #3: Wed Oct 18 11:49:00 EDT 1995
Digital Equipment Corporation
Nashua, New Hampshire
erase ^H, kill ^U, intr ^C
# ls
.new...cshrc inst opr ultrixboot
.new...login install.log pcs750.bin usr
.new...rhosts install.tmp real.profile usr2
.profile lib restoresymtable vmb.exe
all.files lost+found sys vmunix
bin mnt syserr.myname
dev netload syserr.phicus
etc new tmp
# date
Sun Jul 4 13:32:08 EDT 1976
How did I do that? Not with the boot tape, DEC has screwed that up
(not supporting their supported hardware for the boot tape, duh!)
The key to success really was SIMH. With SIMH I could install ULTRIX
on an RA90 image. Then I simply ripped the "a" partition as a binary
image (3.5 MB zipped) and moved it to the VAX 6000/VMS. The move was
greatly helped by Brian Wheeler, who gave me an uVAX-II and Isildur,
who gave me a TK50 for it. Although I found out a trick by which one
can drive the console port of the VAX6000/VMS up to 38400 bps (simply
boot the machine and VMS with NO terminal attached, not finding a
signal, it bumps up the speed to 38400 and keeps it there. This allows
moving 3.5 MB in a bit less than 30 minutes.) Then I simply copied
that image onto the disk mounted /foreign, booted the disk and
voila! First time I got it up I was so excited that I messed up the
unit numbers and accidentially killed both my VMS 7.2 system and my
new ULTRIX disk! Luckily I had a spare VMS 5.4 disk in reserve. In
a way I'm happy I blew my VMS 7.2 disk, because its DU0 and that
should become ULTRIX anyway. Now I don't need to think about backing
the VMS stuff up any more!
Folks, this feels sooooooo good. I have been muddling for almost
one year for this moment!
The next questions are, since Evi Nemeth et al. unfortunately neglect
ULTRIX in their otherwise excellent book, where do I learn about such
things as ULTRIX 4.5 kernel configuration? I need to build a custom
kernel, but when I tried it with my 4.3 BSD knowledge of how this is
done, it failed because it didn't find sources and stuff. Can someone
give me a few hints? Do I have to manually copy the .o filed of the
BINARY directory into my own kernel directory? There are a few options
in the config file that I don't understand, is that described anywhere?
Also, does anyone have experience actually building the 4.2 sources?
My next steps are:
- make custom ULTRIX 4.5 kernel
- build the ULTRIX 4.2 system from sources
- get the CI working to the MTI StingRay and the HSC90
- load a bunch of software, especially GNU stuff, gcc,
emacs, bash, less ...
- Install PostgreSQL
- try building the JDK
- get a VAX 6660 and hack support for it into ULTRIX 4.2
- load NetBSD sources and build as far as it gets and
add support for XMI, KA64A, etc.
and for the other machines, get the MFM drive for my uVAX
formatted (need to produce a diagnostics tape for that.) Start
up my VAX 11/780, turn it into a 785 and make a dual CPU
machine from it. Install the PDP-8/A rack and make it going.
Final question for today: is there a program that rips an exact
tape image from a physical tape (TK70). I have that diagnostics
tape on a TK70 but need to move it onto TK50. The TK50 drive
is not happy on the TQK70 controller (or VMS isn't happy with
it.) So, I need to make a binary image, move it to laptop,
boot uVAX-II/NetBSD and write it on TK50.
Thanks so much for all your help and advice without which I
wouldn't even have started getting the VAX 6400 ins the first
place, much less making it boot ULTRIX.
-Gunther
--
Gunther Schadow, M.D., Ph.D. gschadow(a)regenstrief.org
Medical Information Scientist Regenstrief Institute for Health Care
Adjunct Assistant Professor Indiana University School of Medicine
tel:1(317)630-7960 http://aurora.regenstrief.org
Afternoon, all! :)
I've had a Vaxstation 2000 sitting around here for a
bit, but I've just gotten around to tinkering with it.
Alas, the poor fellow seems to have an ill hard drive.
I've managed to get the case open, but... well, this
is rather embarassing... I can't quite seem to figure
out how to get the drive itself out.
I don't believe it is open at the moment, but I think
the layout inside is something like this :
____________________
----Motherboard-----
--------------------
PS | Floppy
| RD32 HD
____________________
The drive is held in by at least a screw or two on the
right-hand side - I can remove those, but it is still
held in by another seeming inaccessible screw and / or
the cabling hooked up to the back of it.
Any help or recollections anyone might be able to
provide would be very much appreciated! :)
Thanks very much!
Cheers,
Andy
__________________________________________________
Do You Yahoo!?
Yahoo! Sports - live college hoops coverage
http://sports.yahoo.com/
> -----Original Message-----
> From: Gunther Schadow [mailto:gunther@aurora.regenstrief.org]
> own MDM tape or disk on VMS. I don't feel authorized to
> redistribute either of those images. That would be software
> piracy and Bill Gates, the inventor of BASIC and the graphical
> user interface (and anything that's useful in computing) says
> that is a bad, bad thing.
I would have been in real trouble had I actually been _drinking_
that warm apple cider while I read this.
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
> On Sun, 17 Mar 2002, Bob Shannon wrote:
> > Perhaps List members can help the list
> > manger out here.
> ^^^^^^
> Should that be "monger"? Let's help Jay, not a large open box or trough
> in a stable. And I think that most all of us would reject calling Jay a
> "mangler".
Perhaps "List administrator" might side-step that issue...
-dq
Lord Isildur wrote:
> as for configuring the kernel, it is pretty similar to the bsd convention.
> i think in /usr/sys/conf/vax you find the config files, just take a
> GENERIC and customize it.. the BINARY is the 'everything' kernel, meant
> only to test to make sure everything there compiles properly, and then
> just as in bsd, config <config file>, which leaves a directory
> in /usr/sys/VAX named for the kernel you config'ed, and then in there
> the usual make depend , make vmunix, and you're set.
Well, yes except that it's binary only, which doesn't just work
as expected. But I found out, /etc/doconfig is an interactive
script that does all the magic for you. I hate to do this interactively,
but at least it got me going. And it's a script, so it can be
seen what it does (among others ln -s ing the BINARY/*.o files to
MYKERNEL/.)
But I noticed two other stange things:
(1) The GENERIC kernel configuration is really neat, it just
says things like (off the top of my head, don't blame me on
detail errors)
controller kdb50 at vaxbi? nexus?
controller kdm70 at nexus?
controller klesib1 at vaxbi? nexus?
disk ra0 at mscp
disk ra1 at mscp
...
tape tms0 at mscp
...
which indeed is very generic. On the other hand, the config file
that doconfig builds for me is very different, having knowledge about
every bit of bus, cables and unit numbers:
controller kdb0 at vaxbi13 nexus3
controller uq4 at kdb50
disk ra8 at uq4 drive8
controller kdm70 at nexus11
controller uq24 at kdm70 vector uqintr
disk ra0 at uq24 drive0
disk ra1 at uq24 drive1
...
controller klesib0 at vaxbi14 nexus3
controller uq22 at klesib0 vector uqintr
tape tms0 at uq22
...
Why would I want to take the above kind of genericity away from
and lock myself into a kernel that only works for a certain
configuration of cards in slots, such that whenever I should swap
a few cards, I have to boot from a reserve GENERIC kernel and
rebuild? If ULTRIX can deal with "nexus?" "vaxbi?" and "mscp"
kinds of generic designators, why would I, why would it want to
use those overly specific ones? And what is 'uq' anyway?
(2) The other little thing is that (a) ULTRIX is not Y2K complient:
I haven't convinced date (or anything else) to accept a century
for setting the clock and it insists on "02" being rounded up
to 1970 :-). (b) I noticed the VAX 6000 has two or three AA
batteries (rechargeables) in its console assembly, would they by
any chance keep a real time clock running such that resetting the
date isn't required all the time (yes I know about time and ntp
but I don't have a reliably on machine at home nor a standing
internet connection.)
cheers,
-Gunther
-
Gunther Schadow, M.D., Ph.D. gschadow(a)regenstrief.org
Medical Information Scientist Regenstrief Institute for Health Care
Adjunct Assistant Professor Indiana University School of Medicine
tel:1(317)630-7960 http://aurora.regenstrief.org
FWIW,
I have like 4 MVII diag tapes...
Will J
_________________________________________________________________
Send and receive Hotmail on your mobile device: http://mobile.msn.com
I've got the following Sun VME boards. Free for pickup in Austin, TX;
if you want me to ship any of them, you'll have to pay shipping and
make it worth my while to pack them up, etc.
501 1767 - 4/6x0 memory board
pic at http://www.mrbill.net/~mrbill/freestuff/tn/memoryboard.jpg.html
501 1855 - IPI controller (x4)
501 1221 - Comm Processor II
501 1203 - ALM-2
501 1217 - SCSI controller (3row DB50) (x2)
pics at http://www.mrbill.net/~mrbill/freestuff/tn/vmeboards1.jpg.html
And these non-Sun (I think) boards;
ED5P182-30/G1 - FDDI? (has TX, RX)
ED5P182-32/G1 SUN DKHS - FDDI? (has TX, RX) (x2)
pics at http://www.mrbill.net/~mrbill/fddi/
I'm not going to toss them, but I do need them ALL out of the way.
I've also got a Toshiba T3100 286 (I think) laptop with hard drive and
720K floppy and spiffy plasma orange screen. MUST PICKUP. WILL NOT
SHIP. Makes a *great* serial terminal, because it has a REAL, full-travel
keyboard. This is actually more of a "luggable"; it requires AC power.
I'm asking $25 for this.
pics: http://www.mrbill.net/~mrbill/laptop/
Oh - one other thing - have an 8-port DELNI AUI concentrator. Free.
Bill
--
Bill Bradford
mrbill(a)mrbill.net
Austin, TX
I have Sony FDD named MFD-17W-L5(or MD-F17W-L5). It has black mounting panel and one selection switch that has 4 selections from 0 to 3. When the switch set 2, it works after booting. However, I cannot boot using this FDD. And the LED does not work during reading/writing. Please let me know how can I boot using this FDD and make LED run. My compuster is composed of super 7 M/B(PC-Chips M577) with AWADR BIOS, K6-233 CPU, and Windows 98se. Thanks...
Please respond to drafter of email below - not to me.
- don
---------- Forwarded message ----------
Message-ID: <3C963670.A59AE0AA(a)mentor.com>
Date: Mon, 18 Mar 2002 10:48:16 -0800
From: Keith Linehan <keith_linehan(a)mentor.com>
X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U)
X-Accept-Language: en
MIME-Version: 1.0
Newsgroups: comp.os.cpm
CC: keith_linehan(a)mentor.com
Subject: cp/m-86 computers looking for a good home
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
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Lines: 39
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Path: news20!uunet!ash.uu.net!dca.uu.net!newsgw.mentorg.com!solnews.wv.mentorg.co…
Xref: news20 comp.os.cpm:47990
I am in the process of gathering together all of my old
cp/m-86 stuff and am looking for a good home for it, or
it must all end up at the recycler or dump.
I am in the Portland Oregon area.
I have 3 complete systems and many many extra parts that
could keep them running until the next millenium. They
are of around 1982 technology.
The systems consist of:
CPU Unit:
Tektronix 4170's with 80186/87 processors, dual 5-1/4" floppies,
dual 5 meg ST506 disk drives, and 1 meg of memory, many serial
ports, and one parallel and SCSI port
Source code for OS, and some source code available
for other programs. Software for CAD, CAM, color drawing,
and even some good graphic games. SuperCalc, Wordstar, DRgraph,
ReportStar, Technicad, Kermit, C-Compiler, etc. All books for
software and hardware available.
Display Unit:
Tektronix 4107 color graphics terminals
Other Stuff:
outboard disk drives in cabinets
pen plotter
graphic input tablet
dot matrix printer
Please let me know if there is any interest.
Thanks,
Keith Linehan
keith_linehan(a)mentor.com
-- end of forwarded message --
I'll have to check... Hell, if people want me to, I'll post a list of all my
DEC SW on TK50 to the list...
Will J
_________________________________________________________________
MSN Photos is the easiest way to share and print your photos:
http://photos.msn.com/support/worldwide.aspx
On Mar 18, 11:27, Hans Franke wrote:
> > [1] People who used ZX81s for robotics normally added a 6116 CMOS RAM
(at
> > least) onto the expansion connector and removed (or at least disabled)
> > the power-hungry interal RAM.
>
> Wasn't the ZX81 board already prepared to use a 6116 instead ?
Yes, it was. I put 6116's in several.
--
Pete Peter Turnbull
Network Manager
University of York
> -----Original Message-----
> From: Bob Shannon [mailto:bshannon@tiac.net]
> Sent: Sunday, March 17, 2002 10:23 AM
> To: classiccmp(a)classiccmp.org
> Subject: List Managers reward. was Re: List Management - RESPONSE
>
>
> Perhaps List members can help the list manger out here.
>
> I'm located in centeral Mass, and I have a 6 foot DEC rack
> with a PDP 11/34a
> that has Jay's name on it.
>
> Any ideas how we might get this machine to Jay?
>
>
I'm headed out to Boston over the holiday weekend with a full size van. I
could get it back as far as Fort Wayne, IN.
Let me know!
Gary
************************************
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delivery of this message to the addressee, please note that this message may
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kindly notify the sender by reply email. Information contained in this
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nor attributable to ITT.
************************************
From: John Allain <allain(a)panix.com>
>Awrite, now, how does a person translate a geometry to
>a DEC drive type? For that matter I don't know which TEST
>it is, but either way I don't imagine that the formatter has a
>help option... Does it?
NO help I know of. It does ask for the parameters but not
in RDxx equivelent form.
>I have some here but I haven't tested them because there
>was no monitor with them. I have some cables and monitors
>for uVaxIIGPX and uV3100 but am not sure thay are compatible
>and don't want to break anything. Its a DB25 phobia. Most
>listers are aware of what problems can come from expecting
>compatibility between any two randomly selected DB25 items
>(like printing and SCSI, for example). A DEC cable number
>would be useful here.
Monitor not required.
You can use it with a Vt220 or equivelent. the cable needed
is BC09 (it has pin 9 connected to ground). That is a nine
pin cable with a 25 pin connector at the other end.
VS2k pinouts and other details are on the net, try google.
Allison
> -----Original Message-----
> From: Sellam Ismail [mailto:foo@siconic.com]
> want the job. There are too many god damned whiners on this list.
Now that I can agree with. :) Let's all agree to stop
whining about all of the spam now.
(Sorry guys, I couldn't resist that one.)
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
> -----Original Message-----
> From: Jay West [mailto:jwest@classiccmp.org]
> Please read the entire message below from the list admin (who
> is trying very
> hard not to come out of his skin and choke someone)...
I, for one, wouldn't blame you if you did.
> You wrote...
> > > > I don't think Jay has enough time to manage the list anymore. I
> suggest
> > > > we find a new operator.
> What color is the sky in your world?
I don't recall whether I responded to this, myself,
but my response would have been along the same lines.
> As a side comment - It's rather amusing that some people have
> told me I do
> too much, others are now telling me I do too little. Hummm
Too much, in the sense of "you don't really have to
do all of this?" Or too much as in "you're getting
heavy handed?" I find the latter hard to believe,
but would agree with the former. It's been said
before, though, this is your list, no matter how much
some people may like to complain about it.
> For example - take a look at the subject of this thread "Big African
> Grifters". Hummm ya think maybe that might be something I
> wouldn't care to
> read? Why did I finally see this convo? Because someone had
I have to offer the observation that if everyone did
this, they'd just delete all the emails with the
subject "Make Money Fast@!@@!@!!!!", and this spam
thing would never come up. :)
Some people have a strange need to read every piece
of spam that they come across, even if they're
marked clearly.
> the forsight to
> put "list management" at the front of the subject. I submit
> that most people
> skim the list the same way I do, watching the subject lines
> for something
Well, see my comment above. ;)
> on the list privately about it, and I will announce my
> intended solution as
> soon as I am damn well ready to commit to something. Yes, I
Anyway, the point of this was to express my support
of your basically doing whatever you "damn well"
please with your time, resources, and mailing list.
Chris
Christopher Smith, Perl Developer
Amdocs - Champaign, IL
/usr/bin/perl -e '
print((~"\x95\xc4\xe3"^"Just Another Perl Hacker.")."\x08!\n");
'
From: John Allain <allain(a)panix.com>
>> Get a VAXstation 2000, also called RD MFM disk
>> formater. The VS2k has a MFM disk formater in ROM.
>
>Will that work with any MFM drive geometry or only the
>four RDxx types that mVAXes like?
>
>John A.
Yes it will, however you need to supply the parameters for that
where the RDxx types are already known.
You should have two VS2000. They are small and they also make
a fun uVAX! The second of course is for formatting media.
Allison
OK, Friends & Neighbors.
First, I'm starting to think that the original tape is damaged. The
cptape utility suggested by Jochen seems to be Doing The Right Thing,
but gets errors. dd has no qualms at all as long as the TKZ50-GA is set
to a variable blocksize, but errors out on file #7. If I set
"conv=noerror" for dd to ignore read errors, it saws away forever at
the same file. And, if I boot the uVAX from either the original or the
one "probably good" copy [1], sometimes it sees the RD53 disks as RD51.
Not consistently. When it does, it hangs solid on a custom format.
I'll be putting the -GA on a VMS box this evening and try the VMSTPCE
copy. It makes sense to make the tape in its native OS.
[1] I did get a good set of files with the TUHS cptape. Problem is
that AFAICT the partner program, maketape, only understands 512*N
blocksizes. The diags tape has a lot of files in 80B blocks. The good
copy was made with dd, setting blocksize file by file. 82 files,
that is....
Anybody remember the Bash test statement for
[ FILE <larger-than> FILE] ? It would come in REAL handy, and I'm
having a brain-fart.
Doc
Err, whatcha gonna format the media on, Doc!
If memory serves... TRSDOS used delete address marks
and only a system with 1771 can write it... Oops!
It's possible there are later version that are cleaned in that
respect.
Allison
-----Original Message-----
From: Richard A. Cini, Jr. <rcini(a)optonline.net>
To: ClassCompList <classiccmp(a)classiccmp.org>
Date: Sunday, March 17, 2002 9:54 PM
Subject: TRS80 Model 1 question
Hello, all:
I plan on playing with my old Model 1this weekend so that I can get the
floppy drive working. Since I suffer from random bit-rot, can someone tell
me which disk operating system shipped with the drive option? My system is a
48k Level II with the Percom controller and drive. I don't have any disks
for it any more, but I was going to use the TRS81 emulator to create new
disks for it.
Thanks.
Rich
Rich Cini
Collector of classic computers
Build Master for the Altair32 Emulation Project
Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/
/************************************************************/
I have the same hardware as on this message but again I no idea where to
start. Can anyone help me/point me as to where to start so I can start
experimenting with this box?.
Freddy Zapata
skate(a)ao.net
Ok,
The LK201, 301 and 401 are interchangeable, regardless of the cpu
used internally. There is NO VAX, Decmate, Pro version or
rainbow version save for different colored key caps. I regually swap
LKx01 where x={2,3,4} keyboards with any VAX, Decmate, VT220,
320, 330, 340, Pro3xx and friends. They all used the same cord set.
I happen to prefer older LK201 for keyfeel, and later LK401s for
the sculptured layout.
The LK250 however is a TOTALLY different animal and uses
different keycoding to be compatable with PCs or VAXmate
(a sorta PC). There are several different cordsets for this one.
Allison
-----Original Message-----
From: Carlini, Antonio <Antonio.Carlini(a)riverstonenet.com>
To: 'classiccmp(a)classiccmp.org' <classiccmp(a)classiccmp.org>
Date: Monday, March 18, 2002 6:24 AM
Subject: RE: VT-320 Hack+Tip for Smokers
>>Maybe it's related to the age of the keyboards. All the ones I've worked
>>on originally came with VT220s or Bows/Pros/DECmates. I would guess the
>>6805 version came out later.
>
>I'm going to get this wrong here :-) but
>isn't the LK201 used on the VT220 (and
>later terminals) but the LK201 used on the
>Rainbow? (I guess that the Pro 380 et al.
>use the same keyboard as the Rainbow,
>but I don't have any of those).
>
>The LK201 specs are in one of the appandices
>that come with the VAXstation 3200 manuals
>(possibly in the separate VCB02 tech manual).
>The Rainbow tech manual almost certainly
>includes the LK250 spec (I have that scanned
>too, but it's not available anywhere yet, I think).
>
>If someone is looking to develop a PIC LK2xx
>implementation, it would be nice to handle
>both variants.
>
>Antonio
Been googling for info on the DEC RRD43 CD drive with
little success over the last couple of days. So, a
couple of questions for the DEC gurus out there:
Does anyone know what the various jumper settings are?
I'm trying to work out how the thing is currently
configured.
There are two "centronics-style" connectors on the back.
Do I need a terminator for one if the other's plugged
into a VAXstation?
What does it mean when the yellow LED flashes? At the
moment I don't have a cable to hook it up so I switched
it on standalone just to see what happened. The yellow
LED flashes and the only way I can open the CD tray is
to stick an unfolded paperclip into the release hole :-)
Is this something to worry about or just due to the drive
not being hooked up to the VAXstation?
TIA
Al.
On Wed, 13 Mar 2002; Loboyko Steve <sloboyko(a)yahoo.com> wrote:
VT320:
> I noted
> that there is a blanking plate on the back for the
> RS-232 port - all you have are the MMJ connectors for
> printer and i/o. I found out these connectors and
> their crimpers are hard to find/pricey, and I didn't
> want to spend a lot of money on these terminals. I
> considered removing the blanking plate, putting in the
> DB-25 connector (no place on my unit's PCB for one -
> odd),
Both the VT320 and VT420 have the blanking plate, both nowhere
in the manuals for either of them is there any mention of it.
My manuals all say 'North American' version of something similar.
I suspect a common case, and maybe a different circuit board for
those folks on the other side of the pond. Any confirmation?
LK201:
> I found a few of the keys didn't work right on
> one of them. This is one of those conductive rubber
> dome keyboards (and cheap and junky ones at that).
> They ask quite a bit for them on the 'net
> ("refurbished", usually meaning they blow the dirt out
> with compressed air).
With the LK201, blowing out the dirt is about the extent of it.
The keyboard assembly is such that you can not easily disassemble
it to do a good cleaning.
I had a couple that were really flaky, so I decided to try an
experiment. I soaked each of them in a solution for a few days,
hoping to dislodge some of the deep down crud. No success.
I salvaged the keycaps and disposed of the rest.
> I can find better PC keyboards new for around $4.99.
If you mean as in 'Wintel', they are not compatable.
> What to do.
1) I got a stack of untested LK201's. Stop by (Indiana) and
pick a couple up.
2) Try an LK401 instead. Being newer than an LK201, I have only
ran across one flaky one. The nice thing about the LK401 is
that you can tear down, clean, and reassemble one in a reasonable
amount of time.
> Well, I cut off
> about 3/16" of a cigarette filter (with the paper on)
> and put it in the tube above the torn dome connector.
> I trimmed it a bit after testing the feel of the key,
> and it works rather well, especially for my typing
> style (not particularly speedy and somewhat ham-fisted).
An imaginative fix! Ok folks, let's empty our ashtrays and
ship our butts off to Steve. ;^)
Mike