96MB/128MB DOC2000 with 2.4.X kernel

Brendan Simon BrendanSimon at fastmail.fm
Wed Sep 8 23:16:14 EDT 2004


Brendan Simon wrote:

>
>>> Is the 96MB DOC2000 more like the 64MB model or the 128MB model?
>>> i.e. can I use a 96MB DOC2000 with my existing 2.4.18 kernel or will I
>>> have the same problems as the 128MB DOC.
>>>   
>>
>> INFTL [Inverse NAND Flash Translation Layer] M-Systems' latest flash
>> management algorithm, used by the TrueFFS driver for the following 
>> devices:
>>
>> - DiskOnChip Millennium Plus
>> - Mobile DiskOnChip Plus
>> - DiskOnChip 2000 DIP (high), 384Mbytes and higher.
>> - DiskOnChip 2000 DIP (low), 192Mbytes and higher.
>>
>> If I had reviewed this table before I responded to your email, I 
>> would have
>> noticed that the 128M DOC ought to use NFTL.  Are you sure you have a 
>> part
>> that "looks like a Millennium"?  (All DOC2000 parts that use the 
>> Millennium
>> hardware interface also use INFTL, and vice versa.)  I'm willing to 
>> believe
>> the MSYS docs I have might be out of date (I'm pretty sure the
>> low-profile/high-profile boundary has changed), but it would be good to
>> confirm this.
>>  
>
> I can confirm that the 128MB DOC I received in Australia definately 
> DOES NOT work.  i.e. it looks like it has the new ASIC embedded in 
> it.  A friend of mine in the USA also sees the same thing on his newly 
> received 128MB DOC.  Therefore I think the M-System docs are wrong.
>
> Anyone know about the 96MB DOC2000 ????
> Is it an old style or new style DOC2000 ????


A colleague of mine just tested a 96MB DOC and he says that it works 
perfectly with the 2.4 kernel.
i.e. it is correctly detected as a DOC2000 device.

Brendan Simon.





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