IBM AS/400 OS/400 questions

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ibmfiles
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Re: IBM AS/400 OS/400 questions

Unread postby ibmfiles » Wed Apr 19, 2017 4:44 am

MrBill wrote:Quite irritating come right down to it. Ive seen thermostats with better interfaces than the three buttons on the front of this machine.

Those System i/p operator panels are pretty standard across the board; perhaps they're not as irritating once you're familiar with the "IBM cake". The only thing that changes is some functions differ from machine to machine. For instance, function 10 on the IntelliStation POWER 185 will cycle between CPU and ambient temperatures; which was handy for me to compare temperatures against my Pentium 4.

When you're booting--I mean!~ Intial Program Loading OS recovery media, you need to change it to diagnostics mode (with a specific subset). It's been a long time since I've had to do that, but the notes are out there. A little convoluted as nobody has gone through and made a good summary of it all.

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Re: IBM AS/400 OS/400 questions

Unread postby Shiunbird » Wed Apr 19, 2017 5:23 am

ibmfiles wrote:For instance, function 10 on the IntelliStation POWER 185 will cycle between CPU and ambient temperatures; which was handy for me to compare temperatures against my Pentium 4.

When you're booting--I mean!~ Intial Program Loading OS recovery media, you need to change it to diagnostics mode (with a specific subset). It's been a long time since I've had to do that, but the notes are out there. A little convoluted as nobody has gone through and made a good summary of it all.


So THAT'S WHAT IT DOES!

Indeed there's no summary. Do you keep a list yourself? All I can do is switch between temporary and permanent config set and confirm if it has got correct IPs.

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Re: IBM AS/400 OS/400 questions

Unread postby MrBill » Thu Apr 20, 2017 5:42 pm

Well, it is a big change from anything else i have ever worked on, what is for sure. Probally the least user friendly thing i have worked on.
It is quite interesting. It does have a valid os licence, as well as licences for a few other things. I ordered a ibm branded tape drive and some tapes, gonna do a complete system backup tonight.
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Re: IBM AS/400 OS/400 questions

Unread postby MrBill » Thu Apr 20, 2017 5:46 pm

My main irritation is those wonky terminals with the screw in connectors. With my sgi gear i can theow a couple of vt100's on it and have a nice multi user system. on this... aside from submitting batch jobs, i do not see much that can be done. it does have file sharing and webserver etc, but idk what to do with it all.
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Re: IBM AS/400 OS/400 questions

Unread postby pentium » Thu Apr 20, 2017 6:32 pm

There is some form of a webserver you can run however as you might of already noticed the licensing tiers on just about anything in the machine will drive you wild.
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Re: IBM AS/400 OS/400 questions

Unread postby jan-jaap » Fri Apr 21, 2017 12:25 am

pentium wrote:the licensing tiers on just about anything in the machine will drive you wild.

Is it the same licensing scheme (LUM) they use for e.g. the xLC compiler on AIX? That has it's roots in NetLS, and I happen to have reverse engineered and keygen-ed that :) (NetLS on IRIX, not LUM on AIX). It's fairly straight forward oldskool crypto using DES. Fun fact about DES: it's symmetical, not ECC, so the vendor encryption keys are buried in every binary.

It's just a data point: for one thing there's no telling what IBM did to LUM over the years.
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Re: IBM AS/400 OS/400 questions

Unread postby ibmfiles » Sat Apr 22, 2017 3:05 am

jan-jaap wrote:Is it the same licensing scheme (LUM) they use for e.g. the xLC compiler on AIX? That has it's roots in NetLS, and I happen to have reverse engineered and keygen-ed that :)


Not sure... this is what the license instructions the vendor sent me say:
iSeries Software License Key
To install the license key, run the CL command shown below. The ADDLICKEY command is shipped with public *EXCLUDE authority which requires *ALLOBJ authority to use the command. Normally, the security officer has this authority.


Does "ADDLICKEY" use LUM? I've never went through the whole process of actually doing it so it's not familiar to me.

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Re: IBM AS/400 OS/400 questions

Unread postby seanwg » Sun May 07, 2017 7:17 pm

The licensing system on it can't be that hard. I have a box at home (Blade) that for years I've been trying to break.... :)

There is some info here

http://www.leif.org/as400/

From what I have been able to determine; there must be a table on the system which stores the package and expiry date. Thing is, is finding that table...

Leif had a memory explorer to poke around however it doesn't seem to work on new systems... I doubt IBM changed anything :)

In his docs he actually shows how to change the serial # of the box....

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Re: IBM AS/400 OS/400 questions

Unread postby uridium » Sun Jul 23, 2017 6:24 pm

I've got almost exactly the same machine and have installed the O/S a few times (took a long time to figure out how to get the console cable with the iSeries Access and win2000 laptop). Yep the disks are indeed 520bytes because as I understand how the Primary/Secondary storage works is it's a flat memory space for RAM and DISK ..the extra 8 bytes was used for memory block addressing. Address space basically.

Really interesting machines. Hopefully we get more knowledge on them in the hobbyist space. Took me >3 years to get enough parts (once I figure which parts) then get mine up and running. Here's my journey: http://ns4.reboot.net.au/as400/
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Re: IBM AS/400 OS/400 questions

Unread postby jan-jaap » Mon Jul 24, 2017 1:02 am

'baboon' is an appropriate name for that thing :mrgreen:
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To accentuate the special identity of the IRIS 4D/70, Silicon Graphics' designers selected a new color palette. The machine's coating blends dark grey, raspberry and beige colors into a pleasing harmony. (IRIS 4D/70 Superworkstation Technical Report)

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Re: IBM AS/400 OS/400 questions

Unread postby uridium » Mon Jul 24, 2017 2:33 am

Yeah I know. It's got a red a**s. But yeah.. glad someone got the joke. :> I've got a -250 also but it's not used. Baboon when I first started installing would take a few days of disc juggling. Upgraded it to 868mb primary store and then it's all over and done with in 45mins. The -250 I think only has 384mb primary store (but a faster processor). It's also black and less pretty.

Baboon's plenty for hobbyist stuff.
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