Re: [Etherboot-developers] 82559er

[Ken Y. <ke...@nl...>]

>can you give me a short summary/introduction of memory 
>organisation of the bios extension....

0: 55
1: AA
2: number of 512 byte blocks in extension
3: entry point, called by a far call with CS=ROM segment

Bytes in extension must sum to 8-bit 0.

There are many more requirements if it's a PCI/PnP ROM, you need to
fetch the specs. They are mentioned in Marty's recent post about his
recent patch to fix PnP ROMs at
http://sourceforge.net/projects/etherboot under the Patch Manager.