To install the 2.6.xx.x uImage to /dev/mtdblock1(nand), you cannot do that by press f1+fn+left shift, this will mess up because the /dev/mtd0 bootloader is not made for 2.6 kernels.
There are several way's to do/fix that
1) If you want kernel 2.6.xx.x to be installed on nand
use an uImage 2.6.xx.x copy to fat16 sdcard partition
First try-out with fn+left shift if it boots ok.
Next is to copy uImage to the /dev/mtdblock1. Start an terminal and type cat uImage > /dev/mtdblock1
2) If you want to fix/restore older 2.4 kernels.
Copy the existing 2.4 kernel (such as the one from elonex, skytone, alpha400) to fat16 sdcard partition.
First try-out fn+left shift if it boots ok.
Restart and Press f1+fn+left shift and this will copy the 2.4 uImage correctly to /dev/mtdblock1
3) For development/new package installations it is safer to boot a distro from SD card, especially if the size will be close to 1GB.
The 22.214.171.124RV kernel is not able to boot an distro from SD card, it can only boot from nand, limited space on nand (1G).
This one is able to boot from SD card by keep Fn pressed.
4) default boot the kernel from SD card, can be done for 126.96.36.199 kernel by changing the kernel sources
(arch/mips/jz4730/board-minipc.c default from /dev/mtdblock4 to /dev/mmcblk0p2) and recompile.
This is not necessary when using one of the above three options.
If you still want that, I can recompile the 188.8.131.52 version and put it on kwaak.
> Date: Sun, 18 Sep 2011 08:28:53 +0200
> From: datadevil <at> gmail.com
> To: mipsbook-devel-CQP9ExgZy9rrZ44/DZwexQ@public.gmane.org
> Subject: [Mipsbook-devel] Trying to get a working kernel installed on device
> I have decided to try and make my Trendtac 700 into a small Linux mediaserver.
> For some reason I also decided to try and get Lenny on to it at least,
> but because I wanted to have it on the device instead of on a sd card,
> I went this route:
> 1. install the rescue image from this url:
> 2. I then started dist upgrading that to Lenny, to discover that Lenny
> needs a 2.6 kernel (ofcourse)
> 3. Then I downloaded the latest kernel
> and put it on a sd card.
> 4. As this booted my Lenny just fine, I decided to try and install the
> kernel for real, pressing f1+fn+left shift during boot.
> As you may have guessed, this let to a screen washing out in various
> colours when attempting to boot normally now. Booting from SD card
> still works fine.
> Now my question is, how do I solve this if at all? Worst case, can I
> somehow make the system boot from an SD card, or a usb stick for that
> matter, by default?
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