1. Dump your own rom with nvflash utility. (Has to be in dos, use an old 98 boot floppy)
2. Run nvflash --compare <original.rom> should check ok, if not re-dump.
3. Copy the original rom for safe measure.
4. Edit the rom with a hex editor.
5. write down the hex numbers contained within addresses 5a to 5b and swap them round.
6. subtract 1 from the first swapped number and 80 from the second number (hex goes from 1-9 and then a-f, so for example, 80 subtracted from e4 would be 64. Now swap the numbers round again and you're done with those 2.
7. Do the same for the hex numbers contained within 5e to 5f, but add instead of subtract.
8. Now replace the original hex numbers with your adjusted hex numbers and save the rom.
9. Use nvflash --eraseeeprom to erase your original rom on the card.
10. Next do nvflash --index=0 -4 -5 -6 -j <edited.rom>
11. When it's finished flashing check it with nvflash --compare <edited.rom>
12. Only when its says ok, do you reboot.
All this is in another thread but i though i'd try and make it a bit more simple. Hey, i'm not the sharpest tool myself but i managed it
I wouldn't risk using someone else's rom.
thanks! now i'll work on it.