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SDHC kernel for maemo 3.1 (3.2007.10)

Unsurprisingly, people have been pretty anxious to get an updated SDHC enabled kernel for the latest n800 firmware release. The source was released earlier today and I’ve built a new kernel with the relevant patches. It’s available in the usual place. Enjoy!

{ 9 } Comments

  1. Zoran | 31st March 2007 at 02:03 | Permalink

    It works here as expected, thanks Philip!

  2. Pingpanther | 31st March 2007 at 02:37 | Permalink

    Being an n800 user for a week now, I have been trying to understand what developers have been taling about regarding sdhc support on the device and how to…well..make it work, but being a noob I have trouble understanding every second word in such articles. So my question is: is there going to be a simple community tool noobs can apply to their device or should we wait for the next nokia OS update?

    Anyway thanks for making sdhc work:)

  3. HOPE | 31st March 2007 at 07:23 | Permalink

    Thank you very much.
    I’ll try at once.

  4. Philip Langdale | 31st March 2007 at 09:07 | Permalink


    The flasher tool is actually a relatively simple way to apply the update – as described in the web page linked to from my README file. Of course, if you don’t have a linux or mac system handy to run the flasher program on, then it becomes trickier. I don’t actually know what the recommended way for windows users to flash updated kernels is – that would be something to ask on the forums or mailing lists.

  5. Pingpanther | 31st March 2007 at 09:18 | Permalink

    i’ll try, thank you for the fast reply!

  6. Nick | 8th June 2007 at 00:57 | Permalink


    Though you’d like to know the link in the readme to doesn’t work anymore.


  7. Philip Langdale | 8th June 2007 at 07:01 | Permalink

    The new link is:

  8. R E Broadley | 5th July 2007 at 05:19 | Permalink

    Hi. What class of SDHC SD card does this new kernel support up to please? What is the max MB/s speed the software can achieve? Can it manage the 20MB/s some cards claim they can support? Thanks!

  9. Philip Langdale | 5th July 2007 at 10:17 | Permalink

    Classes are just nominal ratings based on the performance characteristics of the actual flash chips – there’s no interface difference between them, so they are all supported. As for performance, it depends on the controller. In the specific case of an n800, I’ve seen class 2 SDHC running at about 9MB/s for sequential read – which is the best case. Writes will be slower than that. The fastest reads I’ve seen with any sort of card were with a 2GB Kingston card that gave 13MB/s – I have no idea what the upper limit imposed by the hardware and driver are.

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  1. slow’s blogged life II | 2nd May 2007 at 19:34 | Permalink

    [...] You know what’s the coolest thing about open source? It is when you buy something that your device didn’t support and, instead of thinking “Oh gosh, there goes $200 down the drain”, you find a patch to use the new thing. [...]

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