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CPU Disabling

CPU Disabling

Hi All,

Can anyone let me know how can I disable CPU on HP 9000, K420 hardware running HP-UX 10.01?

Thx
7 REPLIES
Torsten.
Acclaimed Contributor

Re: CPU Disabling

Pull it!

Hope this helps!
Regards
Torsten.

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Robert_Jewell
Honored Contributor

Re: CPU Disabling

You can try to disable the CPU at the firmware level as follows:
- Access the system console and reboot the system.
- Interrupt the boot process and access the BCH Main Menu.
- Switch to the COnfiguration Menu.
- Run the 'CPU' command to view the config. Run 'CPU 2 OFF' to deconfigure the CPU (CPU 2 in this example).

However, if the reason you are looking to deconfigure the CPU is because it is giving you hardware problems, this may not work out for you and you will have to pull it as previously suggested.

-Bob
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rick jones
Honored Contributor

Re: CPU Disabling

10.01?!? Not even 10.20? Not that it would change the "need to do it from firmware" answer but 10.01 wasn't meant to be anything at all like a long term release.
there is no rest for the wicked yet the virtuous have no pillows
Torsten.
Acclaimed Contributor

Re: CPU Disabling

As said, use the menu

---- Configuration Menu ------------------------------------------------------
Command Description
------- -----------
AUto [BOot|SEArch|STart] [ON|OFF] Display or set specified flag
BootID [] [] Display or set Boot Identifier
BootINfo Display boot-related information
BootTimer [0 - 200] Seconds allowed for boot attempt
CPUconfig [] [ON|OFF] Config/Deconfig processor
DEfault Set the system to predefined values
FAn [HI|NORmal] Display or change fan speed
FastBoot [ON|OFF] Display or set boot tests execution
IPRefetch [ON|OFF] Display or set instruction cache prefetch
MOnitor [LIst | ] Display or set monitor type in EEPROM
PAth [PRI|ALT] [] Display or modify a path
SEArch [DIsplay|IPL] [] Search for boot devices
SECure [ON|OFF] Display or set SECURE flag
TIme [c:y:m:d:h:m:[s]] Read or set the real time clock in GMT
BOot [PRI|ALT|] Boot from specified path
DIsplay Redisplay the current menu
HElp [] Display help for specified command
RESET Restart the system
MAin Return to Main Menu



==>> CPU n off


or simply pull the processor card.

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

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Dennis Handly
Acclaimed Contributor

Re: CPU Disabling

>rick: but 10.01 wasn't meant to be anything at all like a long term release.

Are you sure you're not thinking of 10.00 or 10.10?
rick jones
Honored Contributor

Re: CPU Disabling

At this point, 15+ years on, no, I'm not sure :) But the fuzzy memories in my wetware was that that with all the Y2K business, and whatnot that there was at least a non-trivial push to get folks onto 10.20 from earlier 10.mumble releases
there is no rest for the wicked yet the virtuous have no pillows
BUPA IS
Respected Contributor

Re: CPU Disabling

Hello,
on the K420 I would be inclined to go with pulling the unwanted processor card.

We ran 10.01 on an I class for several years.
until it needed more power and became a K420.
and got dragged up to 10.20 on th back of the y2k excuse .

Mike
Help is out there always!!!!!