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Kclass Fault

 
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Nobody's Hero
Valued Contributor

Kclass Fault

Getting a Kclass fault (hardware) during boot. Hangs during the hardware scan, before the boot loader. On the LED I get.

FLT 12bF
cpu 2

FLT 7500
MEMORY

The system is unsupported. The power up stops, and the above messages flah on the LED. Switching back and forth from message 1 to message 2.
UNIX IS GOOD
6 REPLIES 6
Robert-Jan Goossens
Honored Contributor
Solution

Re: Kclass Fault

Hi,

FLT 7500 means no memory found.

regards,
Robert-Jan
Shaikh Imran
Honored Contributor

Re: Kclass Fault

Hi,

FLT 7500 = No RAM found
Please check the RAM chips if possible ple try to reaseat them start.

Regards,

I'll sleep when i am dead.
Ken Burke
Advisor

Re: Kclass Fault

Hi,

FLT 12bf is not a listed code, but anything starting with 12 relates to a problem with cpu #2.

As correctly stated above 7500 is no memory found. Try reseating the DIMMs and memory carrier.

Ken
harry d brown jr
Honored Contributor

Re: Kclass Fault

Robert,

I think it's HAMMER time, sledgehammer to be exact :-))

Time to spend 6K and get an old A-class server ??

live free or die
harry
Live Free or Die
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Jannik
Honored Contributor

Re: Kclass Fault

paul courry
Honored Contributor

Re: Kclass Fault

Sigh....

1. Reset the memory carrier first. Try to reboot.
2. Reseat bank 0 on the memory carrier next. If bank 0 is not seated everything will appear to be missing. Try to reboot.
3. Biggest mem chips should go in lowest banks.
4. Chips come two to a bank. DO NOT MIX CHIPS WITHIN A BANK.
5. If it still won't boot, try one pair of chips at a time in bank 0 to discover which chips are bad.