RS/6000 problem

 
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debs3759



Joined: 18 Jan 2006
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PostPosted: Sat Mar 22, 2008 5:41 pm    Post subject: RS/6000 problem Reply with quote

Not sure if this should be in this forum or in the information wanted section. If nobody here can help, I will of course look for a forum somewhere that is more hardware oriented to get the right appropriate advice...

I'm trying to get my RS/6000 working, but am having problems. I have the manuals listed at:

http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.pseries.doc/hardware_docs/rs6000_7044_44p_170.htm

I get various errors when trying to boot, but commonly get the error code 4BA00830 on the operator panel display. I have established from the documents I have that this is a problem with the Service Processor, although I am not clear on exactly what and where this is (although wonder if it might be their name for the BIOS?)

Does anyone know what this means, or how to fix it?

On one boot, I managed accidentally to access the BIOS but am not sure what I did and cannot find it again. Does anyone know how I access the BIOS, which isn't mentioned in any of the docs?

Does anyone that knows how these work have any ideas what I should do? I get as far sometimes as it trying to load software off the disc (ie the OS, I assume), but then it just reboots.

I suspect that I need to get the BIOS reflashed, but I haven't a clue and if that is necessary I am not sure how to do it (if I just need to get a BIOS image and find someone who can flash it, or if there is an easier way..). I have a VT510 terminal I can connect up if it is easier to describe (or point me toward) a description of what to do with that...

This is my first non-x86 system I will have worked with (other than in a college environment where I never had to know how it worked and at the time didn't have a great interest), so iit would be nice to find a way of sorting it out (plus I am looking at this as an ideal opportunity to have a non-Windows system without giving up the ease of use that windows has while I learn to use Unix/Linux based systems).

Any help will be appreciated Smile

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OMG, I finally found out what's wrong with my brain:
On the left side, there's nothing right, and on the right side there's nothing left!

Debs
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Qwerty



Joined: 20 May 2005
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Location: Germany

PostPosted: Sun Mar 23, 2008 4:12 am    Post subject: Reply with quote

The "service processor" isn't another word for BIOS is rather an addition to it.
It's a small auxiliary CPU on the mainboard or on an expansion card. It is used to control and manage the whole system. This CPU is used by BIOS only, the host's OS can't utilize it.

In some cases the service processor has it's own dedicated ethernet controller to allow the management the over the network.
This small CPU is totally independent from the main CPU, memory, I/O and OS. This solution has a great advantage - you can manage a PC with crashed OS, faulty main CPU or RAM and you can manage a computer with no OS at all.

Many 4 or 8-way x86 servers have such auxiliary CPU onboard.

Unfortunately I have no idea how to fix the problem. It's possible the service processor was on an expansion board which was removed. Another possible cause - the SP is configured to access the main hardware management server over the ethernet, but it's not connected. Perhaps the SP is just not working correctly.

Perhaps you should try to find some documentation about the service processor on the IBM webpages. I tried with google and was able to find a couple of PDFs there.
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debs3759



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PostPosted: Sun Mar 23, 2008 3:19 pm    Post subject: Reply with quote

I have been trying to find the appropriate documentation since Friday, and have not yet found anything that tells me how to fix any of the problems that are indicated by different error messages I get. The biggest problem is that if I turn it off and remove the power cable for an hour or more (maybe less, I didn't time it), the error code changes!

Today I have had it tell me, among other things, that there is a problem with the DIMMs, Service Processor and a couple that I couldn't find in the docs I have. That has been happening as long as I have been trying to start it up. No document I have seen told me how to enter the BIOS to check settings.

I have managed to get into System Management Services (which is what I thought before was the BIOS). I tried to update the SP and System firmware from there, doing what the website says, and it didn't work.

I'm thinking I'm going to have to register on the support forums at IBM (I was hoping to avoid that, but needs must...)

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OMG, I finally found out what's wrong with my brain:
On the left side, there's nothing right, and on the right side there's nothing left!

Debs
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Qwerty



Joined: 20 May 2005
Posts: 2109
Location: Germany

PostPosted: Mon Mar 24, 2008 3:53 am    Post subject: Reply with quote

debs3759 wrote:
... and have not yet found anything that tells me how to fix any of the problems that are indicated by different error messages I get. The biggest problem is that if I turn it off and remove the power cable for an hour or more (maybe less, I didn't time it), the error code changes!

Today I have had it tell me, among other things, that there is a problem with the DIMMs, Service Processor and a couple that I couldn't find in the docs I have.


IMHO The BIOS battery is almost dead. That's why the BIOS "forgets" some but not all settings every time you remove the power cable. Because of this you get different error codes.

Can you locate the battery on the mainboard? If you have luck the battery will be replaceable. If you have a bad luck you'll find the non replaceable "DALLAS" RTC-clock IC.

Here is a link regarding the service processor. I hope it will be of some use for you.
http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?topic=/com.ibm.pseries.doc/hardware_docs/serviceprocessor.htm


Last edited by Qwerty on Mon Mar 24, 2008 8:35 am; edited 1 time in total
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Unzlbunzl



Joined: 30 Jan 2007
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Location: Graz, Austria

PostPosted: Mon Mar 24, 2008 4:33 am    Post subject: Reply with quote

Quote:
Can you locate the battery on the mianboard? If you have luck the battery will be replaceable. If you have a bad luck you'll find the non replaceable "DALLAS" RTC-clock IC.


i just remember those rtc modules socketed and if not, there are certainly 2 voltage pins you can use to connect a batt instead of replacing the soldered module
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debs3759



Joined: 18 Jan 2006
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Location: In the computer room

PostPosted: Mon Mar 24, 2008 8:22 am    Post subject: Reply with quote

Thanks for the advice. I have just downloaded and looked through those documents, but sadly they have not been much help for this system.

I am so far able to access a multi-boot menu, but there is nothing for it to boot, and I can access the System Management Services. Neither seem to have any SCSI device on their list, so I can't check if AIX is on the hard drive already and I can't install it from the CDs I have.

I am going to look for support forums at IBM (that'll be easy enough, I just didn't look specifically for that before as I already can't keep up with all the forums I am a member of). I'll post WHEN I get it working what I had to do (even if it takes me 6 months, I am too stubborn to give up now I've started - though I might get side-tracked and work with some of the DIGITAL servers or DEC VaxStations in between (and see what is wrong with them, of course Smile

_________________
OMG, I finally found out what's wrong with my brain:
On the left side, there's nothing right, and on the right side there's nothing left!

Debs
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