Subject: Re: A small IPX hardware hack
To: Paul Kranenburg <pk@cs.few.eur.nl>
From: Matt Dainty <matt@bodgit-n-scarper.com>
List: port-sparc
Date: 11/15/2003 15:19:14
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* Paul Kranenburg <pk@cs.few.eur.nl> [2003-11-14 19:28:31]:
> > > That's cool.  Feel like documenting how you did it?
> > > Is it possible to script that from NetBSD (using eeprom(8) ???),
> > > or was it a lot of typing at the OBP prompt?
> >=20
> > Hmm, not sure whether you could do it that way or not...
> >=20
> > http://www.bodgit-n-scarper.com/ipx.html has some vague instructions,
> > basically I followed the same instructions at
> > http://www.ccl.kuleuven.ac.be/~bob/oem-logo.html , section 5.1 except I
> > manually searched a dump of the OBP instead, (the AMD27C020 chip).
>=20
> I believe you should be able to just write the `oem-logo' property using
> /dev/openprom (and then enable it by setting `oem-logo?' to `true').
>=20
> eeprom(8) doesn't currently accept arbitrary data, but it shouldn't be
> too hard to hack that in.

Note though, that the oem-logo is 64x64 (I think?) in 1-bit B&W, mine is
100x100 in glorious 8-bit colour ;-)

But yes, it would be good to be able to change the oem-logo.

Matt
--=20
"A violent man will respond poorly to a gift of flowers."

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