[coreboot] SPD CRC failed

[Michael Gerlach]

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I guess this check is done by Lenovo BIOS in a different way?
Because this board+ram has no problems booting with vendor BIOS...

Unfortunately I do not have any other DDR3 modules to test.


Best regards,

n3ph


On 05/20/15 19:20, Vadim Bendebury wrote:
> SPD is some data saved on the memory module, available to the 
> processor to read to find out memory properies. These data are 
> protected by a check code (CRC) which allows the CPU to verify
> that it read the data correctly. Apparently this check is failing
> in your case.
> 
> Some likely reasons could be  a noisy i2c interface (used to read 
> SPD) or someone writing the SPD storage on memory module(s) and 
> corrupteding it.
> 
> --vb
> 
> 
> On Wed, May 20, 2015 at 8:51 AM, Michael Gerlach 
> <n3ph at terminal21.de> wrote: Hi all,
> 
> i was testing coreboot on lenovo x230 with 2x8G DDR3.. Seems like 
> there are some issues regarding the size of the modules..
> 
> http://pastebin.com/mLcS6vhQ
> 
> Best regards,
> 
> 
> n3ph
>> 
>> -- coreboot mailing list: coreboot at coreboot.org 
>> http://www.coreboot.org/mailman/listinfo/coreboot
> 

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