[coreboot] Free chips, not required by me, and a question

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Tue Dec 2 13:17:58 CET 2008


On 02.12.2008 13:00, Peter Stuge wrote:
> Hi Chris,
>
> Chris Lingard wrote:
>   
>> Now I need help, my machine has Pm49FL004 chips as standard, I have
>> some Pm49FL008 too.
>>
>> I want a 32 M Bit flash chip, if there is such a thing for this
>> type of chip, please let me know the part number.  (I would much
>> appreciate the exact detail, as the supplier asks incomprehensible
>> questions)
>>     
>
> Sadly the largest I think you can find that will fit your board is 16
> Mbit. Look for the part number SST49LF160C-33-4C-NHE.
>
>
> Chris Lingard wrote:
>   
>> So am I stuck?  They do not make large capacity {SST,Pm}49LF0??)
>> PLCC chips, or is it just an old chip?
>>     
>
> I'm afraid SST have the largest PLCC package chips at 16 Mbit. The
> market demands smaller package chips, so while it's technically
> trivial none of the flash manufacturers make larger PLCC package
> chips.
>
> If you have a budget you could buy an Artec dongle (150EUR+VAT) and a
> PLCC adapter from me (80EUR+VAT) to get 4x32Mbit which is rewritable
> through a USB port, but it is a bit costly.
>   

You can also stack up to 16 of the 16 Mbit chips on top of each other,
switching betwee them with the ID[0..3] lines. Depending on how your
mainboard is wired up, you won't even need additional circuitry. And 256
Mbit should be enough for you.


Regards,
Carl-Daniel

-- 
http://www.hailfinger.org/





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