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arthura
What's DOS?
Posts: 3
Registered: ‎11-11-2008
Location: Sydney
Views: 2,102
Message 1 of 5

NMI: Parity Check / Memory Parity Errors on Lenovo T500 2082-58M running Windows XP.

NMI: Parity Check / Memory Parity Errors are occurring on

five out of five Lenovo T500 laptops 2082-58M tested.


I can get the error to re-occur consistently by installing
IBM Director Client version 5.20 or 5.23, taking remote control and then within
the remote session I initiate a PC restart. This re-produces these errors
without fail.


I've also received this same error without Director but am
unable to cause this to re-occur consistently.


My Findings:


Changing the BIOS Settings from the default settings of :

BIOS Config > Display
Default Primary Video Device:[Internal]

Boot Display Device:[ThinPad LCD]

Graphics Device:[Discrete Graphics]

OS Detection for Switchable Graphics:[Enabled]

To the following settings resolves the issue though this

causes the installed and previously working ATI driver not to detect the video
device.

BIOS Config > Display

Default Primary Video Device:[Internal]

Boot Display Device:[ThinPad LCD]
Graphics Device:[Integrated Graphics]
OS Detection for Switchable Graphics:[Disabled]

What I have tried:

o Updated the BIOS and Drivers to Latest available

o Re-Installed the Display Driver, Downgraded the
Display Driver

o Removed the Display Driver and left BIOS
settings enabled (NMI errors re-occur)


 

To get to the above findings I tried removing /
re-installing pretty much every driver and disabling every option within the
BIOS. I am only listing what I believe is now relevant to the identified
problem. I can provide further information upon request.

 

 Anyone able to help ?


Community Moderator
Community Moderator
Posts: 3,916
Registered: ‎01-05-2008
Location: DE
Views: 2,084
Message 2 of 5

Re: NMI: Parity Check / Memory Parity Errors on Lenovo T500 2082-58M running Windows XP.

Hello,

 

the switchable gfx doesn´t work in XP. In XP you have to choose gfx options in bios before booting os.

 

Please try: 

 

Default Primary Video Device:[Internal]

Boot Display Device:[ThinPad LCD]
Graphics Device:[discrete Graphics]
OS Detection for Switchable Graphics:[Disabled]

 

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arthura
What's DOS?
Posts: 3
Registered: ‎11-11-2008
Location: Sydney
Views: 2,072
Message 3 of 5

Re: NMI: Parity Check / Memory Parity Errors on Lenovo T500 2082-58M running Windows XP.

I think I may have tried that but I will confirm and reply back tomorrow. Thanks for your reply....
arthura
What's DOS?
Posts: 3
Registered: ‎11-11-2008
Location: Sydney
Views: 2,018
Message 4 of 5

Re: NMI: Parity Check / Memory Parity Errors on Lenovo T500 2082-58M running Windows XP.

No go... Using the following settings reproduces the NMI: Parity Errors.

Graphics Device:[discrete Graphics]
OS Detection for Switchable Graphics:[Disabled]

 

Thanks, any other suggestions ?

kudlatygosc
Fanfold Paper
Posts: 5
Registered: ‎01-09-2009
Location: Warsaw, Poland
Views: 1,651
Message 5 of 5

Re: NMI: Parity Check / Memory Parity Errors on Lenovo T500 2082-58M running Windows XP.

Maybe one of the your RAM module is failing.

Did you try to use any RAM diagnostic software, removing one slot or replacing it with other module? (if you have such possibility)

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