getting DMA to work (non-linux bios related)
Eric W. Biederman
ebiederman at lnxi.com
Sun Sep 22 15:35:01 CEST 2002
Ronald G Minnich <rminnich at lanl.gov> writes:
> On Wed, 18 Sep 2002, GNUOrder wrote:
> > Yes, it looks like a new BIOS addresses this problem. One more question, is
> > there a way to write the new BIOS out from linux on this motherboard? I'm
> > pretty sure its the Tyan Thunder i7500 (S2720). It uses amiflash.zip.
> if you get a romimage the flash_rom utility can write from linux.
> Before running flash_rom you have to do this:
> setpci -d 8086:2480 4e.b=1
> to enable flash writes.
> then just flash_rom <romimage>
Be very, very careful with this. Writing the rom is easy.
Finding and setting all of the stupid CMOS type parameters
in the romimage is a much more difficult proposition.
Which means the board will probably still require a little bit of
keyboard and video attention once you are done.
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