So they changed the default sec officer pwd (root in *nix). You have to boot in manual mode B M (not B N) and cross your fingers that DST pwd is still QSECOFR/QSECOFR. Then there's a way to reset the QSECOFR pwd.
So after cleaning up and reorganizing my computer/hobby room I thought it
was time to get the asr33 working again. It has a stuck carriage (at the
right end), and it would only go back after repeated CR's.
First thing I did was to replace the gooed up rubber hammer, only to
find out that my replacements were also starting to deteriorate :(
(but still stiff enough to be usable for some print test).
I can either use a piece of hose or one of those little self adhesive
rubber feet.
Closer inspection showed that the pawl of the advancing/return section
was barely moving. With the application of WD40 using a small brush
loosened the gummed up oil/grease and with some more cleaning and light
machine oil it was behaving as it should.
Next was to get it working as a console (it works fine in local mode,
puncher and reader do what they need to do).
I have one of these DLV11-KB's (EIA/20mA converters), and one of them
was already configured for teletype use. The schematic also notes that
these can be used for ASR-33 use.
A flat mate-n-lok plug was made for the 20mA side, as well as a rs232 cable
for the EIA side. Little note here is that the DLV11-KB uses 12V as power,
so 2 wires were used to go to a wall wart adapter counter plug.
Check power -> ok
Check cables -> ok.
Set VT220 to 7E2, 110 baud -> ok
power on ASR -> ok
Hmm, the print-head is constantly hopping and typed chars on the VT
do not appear. Then again typed chars on the ASR do show on the VT screen.
Ok, power off the ASR, and look at the back of the ASR terminal strip.
Ahh, wire 6 & 7 are used other way around, so swapping 2 pins on the
mate-n-lok is all what is needed.
Power on ASR -> ok, no hopping print-head this time, and chars type on
the VT do print on the ASR. Jippy!
Only thing what does not work yet is that the paper reader does not start
when I flip the switch to the 'start' position (it is a 3 position switch).
Any ideas how to make this work?
All in all a few hours well spend.
Ed
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Hi Guys
PDP-8 panels are going faster than I can get them made.
VCF East this weekend. I would like to have gone. Maybe somebody
with one of my recent panels
will take it along.
Rod (Panelman) Smallwood
I just put my last new HEPA filter in an RK05 that I am working on. There
are two styles of HEPA filters for the RK05. The original version is just a
box. The newer version has the inlet and outlet plenums as part of the HEPA
filter, and connects to the blower and a rubber elbow. The one that I just
installed was marked EQUIV 1212175. The DEC part number for the filter is
12-12175.
A quick Google search showed that there are 6 new ones on ebay for $35
each. Just search for the DEC part number 1212175.
--
Michael Thompson
Well... AS/400 scsi drives are recognized by the string IBM AS/400, during the inquiry phase.
They can be used in a standard PC, if reformatted at 512 bytes/sector, since OS/400 use 520 bytes/sector.
If they come unformatted or degaussed, you can reformat it at 520 under a *nix system with sg_utils (e.g. Linux) and used (I tried it successfully on different AS/400 systems).
Even if your time is expired (there are some hacks to avoid this...) you can log into the system as user QSECOFR through the console (terminal 0 on twinax line 0). For an hobbyistic use sometimes it's enough...
old stuff in the news
http://electronicdesign.com/embedded/qa-evan-koblentz-talks-about-vintage-c…http://www.vcfed.org/
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> From: drlegendre
> I've certainly never encountered any of the 'horror stories' about it
> ... +attracting+ moisture and fostering rust, ad nauseam.
I have personally experienced this; but in WD40's defence, it depends _how_
it is used.
If you spray it on lightly, and wipe off the excess (leaving the item feeling
only very slightly 'oily' to the touch, but that's all), it is indeed a great
preservative. If, on the other hand, you leave great pools of the stuff on
something, and let the thing sit for a long time, that _will_ create rust.
BTW, WD-40 was actually invented to protect the un-painted metal skin of the
Atlas ICBM. I believe that the details are in:
John L. Chapman, "Atlas: The Story of a Missile"
(a great book in its own right).
NOel
Key thing is what color it is. If it's light grey it's definitely an old
CISC machine - classic 48-bit AS/400. They're good and desirable but they
do need the MULIC (Model Unique Licensed Internal Code) tape to get going.
If it's black... Well some of the very last CISC AS/400s (e.g. 9406-500)
were black - but it's much more likely to be a RISC machine. With those you
get 70 days unlicensed use - then it reverts to only allowing login at the
console IIRC; I don't recall what else stops working. Licensing on the RISC
machines is just a long code you type in to the system; no MULIC tape! :)
Another possible gotcha is keys; hopefully it comes with them. If it
doesn't, hope the lock is in the manual position which allows full front
panel function.
Then there are password issues; QSECOFR is the key account - equivalent to
root - and if you don't have that password you may be able to reset it
using an alternate boot sequence involving something called DST... Unless
they've changed the DST password too, in which case you can only wipe the
system and reinstall the OS. If you need install media I can help...
Mike
On Apr 12, 2016 3:18 PM, "Mazzini Alessandro" <mazzinia at tin.it> wrote:
The main issue with As/400 is related with licenses, os included.
There are some models (relatively old) that can run unlicensed (and going
back in time, some required a special tape unique to that serial number, to
be reinstalled. Fat chances of getting a copy of that from ibm now, so in
those cases is very important that such tape is present in the goodies),
otherwise I would say that if they pick up the "toy" from the current
workplace, they have to collect all the sw/ibm media/license papers related
to it.
There's more than one way to get an (heavy) paperweight.
What to expect... is a bit more flat than zos, this is something used for
erp/billing/bank terminals to say something.
There's just os/400 that can be installed on an as/400, forget linux or etc
( if an iseries, more recent, aix is also an option, and linux too )
-----Messaggio originale-----
Da: cctalk [mailto:cctalk-bounces at classiccmp.org] Per conto di Matt Patoray
Inviato: marted? 12 aprile 2016 20:52
A: General Discussion: On-Topic and Off-Topic Posts
Oggetto: Re: Getting an ibm as/400
Hello,
I do believe Connor is on here. I will say this the IBM Mainframes and the
Large AS/400's are quite different. If you can get a picture of the front
plate where it says AS/400 there will be the model nuimber under that and
we can figure out what you have from that.
Once you have that info, we can have a better idea what you are in for :)
As such can help you accordingly.
On Tue, Apr 12, 2016 at 2:09 PM, devin davison <lyokoboy0 at gmail.com> wrote:
> A local recycling center called me and said they are to pick up an ibm
> as/400 mainframe from a working environment. I left a deposit and am
> scheduled to go pick it up in the next day or so.
>
> I am not even sure of what all it comes with or what can be run on the
> machine. Any advice in advance on what to expect?
>
> I realize there are a ton of different as/400 models, they were not
> very descript on the phone, so i have no way of knowing till i go pick
> it up what exactly it is or what it comes with.
>
> I rushed on dropping a deposit on the thing. The other guy at the
> place is notorious for ripping boards with shiny chips out and trying
> to pass off the dismantled machine to me. I asked for a picture of the
> thing on site before it is moved. If it is not all there I am not
purchasing it.
>
> From the description it sounds like it comes with some terminals and
> printers too. could be interesting.
>
> Is the guy that put the ibm mainframe in his basement on the list? ive
> been wanting to talk to him.
>
>
> --Devin
>
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Matt Patoray
Owner, MSP Productions
KD8AMG Amateur Radio Call Sign
