Hello,
I'm currently struggling with two similar Microtik routers: RB433L ,
RB433UAHL.
They are the Lite version of the well-known rb433, with a lower power
consomption.
Their amusing property is that the serial port seems present (RX/TX
pads) but not initialized
at boot, neither by Linux kernel or by the bootloader, which make
debugging difficult
(On the TX pad, I just get a suspicious periodic square signal after boot)
I can't get any of them boot an OpenWRT image (trunk of today) using the
netboot procedure described here:
http://wp.ayufan.eu/2013/02/the-rb951g-and-openwrt/ (and elsewere).
The router does bootp + tftp procedure.... and seems to ignore the ELF
file I give it
(I tried all of
openwrt-ar71xx-mikrotik-vmlinux.elf
openwrt-ar71xx-mikrotik-vmlinux-initramfs.elf
openwrt-ar71xx-mikrotik-vmlinux-initramfs-lzma.elf
openwrt-ar71xx-mikrotik-vmlinux-lzma.elf )
The netboot procedure does work since I could send the microtik's NPK
upgrade package and the routeur did flash itself.
Apparently, one person did success in booting a kernel
https://forum.openwrt.org/viewtopic.php?id=41490 , but no specific
details on the file used not the procedure.
I would be very happy to just get to the "kernel boot" point.
Does anyone did play with this kind of hardware ?
Thanks
OB
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