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johsua's Avatar
Posts: 449 | Thanked: 18 times | Joined on Apr 2006 @ Eureka, CA
#21
I have no idea if this is compatible with booting from an SD card, but... I just wrote this in the wiki:

http://www.internettablettalk.com/wi..._to_a_computer

I am guessing it will work with SD booting, but you may want to confirm this with someone else.
 
Posts: 24 | Thanked: 0 times | Joined on Mar 2007 @ Beijing, China
#22
Originally Posted by johsua View Post
I have no idea if this is compatible with booting from an SD card, but... I just wrote this in the wiki:

http://www.internettablettalk.com/wi..._to_a_computer

I am guessing it will work with SD booting, but you may want to confirm this with someone else.
Thanks for the wiki entry, it surely will help many around here. I have a thought: Since the SD card doesn't need to be "flashed", is it possible to simply replace the kernel files on the SD card to get SDHC support? It would be more risk-free that way compared with flashing the flash memory on the N800.
 
johsua's Avatar
Posts: 449 | Thanked: 18 times | Joined on Apr 2006 @ Eureka, CA
#23
Not sure... I think that you can apply the patches rather than use the compiled kernel. They are here:

http://intr.overt.org/n800-sdhc-kernel/

Check out the readme.
 
Posts: 2,152 | Thanked: 1,490 times | Joined on Jan 2006 @ Czech Republic
#24
Originally Posted by Keyser.Soze View Post
Since the SD card doesn't need to be "flashed", is it possible to simply replace the kernel files on the SD card to get SDHC support?
Kernel is always in internal flash memory. There is no SD card with kernel files to replace. Also if your idea was real this would be chicken and egg problem (i.e having only SDHC card how SDHC support stored on that card would be useful?)

As for the wiki page, it is good, I have added few confusing links to it :-)
 
Posts: 24 | Thanked: 0 times | Joined on Mar 2007 @ Beijing, China
#25
Originally Posted by fanoush View Post
Kernel is always in internal flash memory. There is no SD card with kernel files to replace. Also if your idea was real this would be chicken and egg problem (i.e having only SDHC card how SDHC support stored on that card would be useful?)
Thanks fanoush! Sorry I forgot this important thing, if the kernel can't read SDHC card, how could it boot from there? So flashing the kernel will SDHC support will not affect my current booting from SD setup right? I mean the kernel in the internal flash memory always loads before I choose booting from SD in the bootmenu? Do I understand it correctly this time? Thanks for your help.
 
Posts: 3,841 | Thanked: 1,079 times | Joined on Nov 2006
#26
I just can't help thinking of the origin for the term "boot".. which is to lift yourself by the boots.. it's like a chicken-and-egg thing..
__________________
N800/OS2007|N900/Maemo5
-- Metalayer-crawler delenda est.
-- Current state: Fed up with everything MeeGo.
 
Posts: 2,152 | Thanked: 1,490 times | Joined on Jan 2006 @ Czech Republic
#27
Originally Posted by Keyser.Soze View Post
I mean the kernel in the internal flash memory always loads before I choose booting from SD in the bootmenu? Do I understand it correctly this time?
Yes, the order is bootloader->linux kernel->initfs (all in flash, mtd0,2,3 partitions, see /proc/mtd file on device), bootmenu lives in modified initfs (hooked into /linuxrc file) and then the boot sequence jumps to rootfs in flash (mtd4 partition) or to the mmc card (mmcbklXpY partition).
 
Posts: 5 | Thanked: 0 times | Joined on May 2007
#28
This is GREAT. I have owned my N800 less than week, newer use linux before but with these helps I managed to flash new sdhc kernel and my 4G card works great. thx to everybody.
Next step is java
 
Posts: 1 | Thanked: 0 times | Joined on Jun 2007
#29
I just dont get it.

i have a N800 and a windows pc. I want to flash the kernel that i can use my 8GB SDHC card.
I already loaded the kernel_flasher and the sdhs-kernel-3.2007.10.bin file to the N800. I also installed dropbear and know how to get to red pile mode. But I dont bring the pieces together. Can anyone give a step by step description, especially what i need to enter in xterm, also installed. Thanks a lot!!

I can bring the n800 in xterm to # but how do i change to the directory with the files? (mydoc)
 
Posts: 83 | Thanked: 2 times | Joined on May 2007
#30
I really wish I could talk to someone live and get a little walkthrough help. I know this may sound frustrating, but being a complete Linux newbie as well I have almost NO understanding of what to do. Right now I'm downloading VMware, and from there I'm gonna keep struggling and re-reading until it begins to click. Hopefully someone will make a post giving a bit of a dumbed down explanation of what to do. I don't even know what questions to ask. :-(
 
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