RE: Problems loading kernel (linux)...

["Martin Atkins" <martin@cs.york.ac.uk>]

Hello!
	I have an (experimental) shim which gets a bootware (now 3com)
bootrom to load a netboot image. Thus I can use netboot (good) without
replacing/reprogramming the bootroms. I have not yet used the MBA
bootroms (only older ones), but that is on the agenda. I use
3c905A/B network cards. Overall it is not totally reliable, but
is usable. It is also a pig to debug! (how on earth do *you* debug
neboot Gero? :-)

If you find a utility which will reprogram the FLASHs, please let
me (the list?) know! If you (or anyone else) would like my patches
I could perhaps get them together (but probably not for at least a
couple of days).

Martin

> -----Original Message-----
> From: owner-netboot@baghira.han.de
> [mailto:owner-netboot@baghira.han.de]On Behalf Of Jens Ruehmkorf
> Sent: 20 January 1999 15:38
> To: netboot@baghira.han.de
> Cc: Heiko Klein; Ken Yap
> Subject: Re: Problems loading kernel (linux)...
>
>
> Hello!
>
> Thanks for your fast response.
>
> I found out, what the problem was.
>
> Why it didn't work:
>
> The client I'm trying to set up (un)fortunately already came with a
> BootEPROM, that was supposed to do what I need (MBA - the Managed PC Boot
> Agent from 3Com).  So sending the Bootp-broadcast and receiving the
> imagefile worked just fine, but when it came to loading the image into
> memory, the client hang -- because there seems to be no standard for boot
> images, and so the MBA expects something else from a boot image than
> netboot does (especially how to load them into memory).
>
> How it works:
>
> When I used the drivers from 3Com ("3c90xpd.com") with the right switches
> to build a BootEPROM with netboot, everything worked just fine.
>
> What Problem is left:
>
> I had to "emulate" netbooting by using a disk.  Now I want to put the
> EPROM-imagefile netboot created onto an EPROM.  Fortunately that
> Bootloader (MBA) from 3Com is stored on a Flash-EPROM (64 KB!!).  Now I'm
> looking for a program (usually M$-DOS) that is capable of reprogramming
> the Flash-EPROM (for Intel-cards such a program exists, for 3Com-cards I
> didn't find such a program so far).
>
> Jens
>
> P.S.  I guess I could get MBA to work as well - but then I couldn't use
> netboot, which I prefer.
>
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> Jens Ruehmkorf <ruehmkorf@informatik.uni-koeln.de>
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