Ah, the condescending Google-it injunction. I'm surprised it didn't come sooner.
I've read most of what Google comes up with, and then a bit more. I had a couple of specific questions for which I was hoping to find a polite answer here. But this is evidently the wrong forum for that sort of thing.
I'll try somewhere else, t---k you.
oookay then, ...
u want a backup of your rom. windows gpu-z does that fine.
throw the rom over to osx.
open
either zeus 2.3 (the one that works for me after READING one hundred pages in other forums) OR Romcreator (my own brother swears by it).
take your backed up rom and follow the instruction in Zeus or Romcreator to create your new rom in osx.
Then some people manage to flash theyre cards with that new rom, using Zeus (again for some reason 2.3 seems preferred). They turn off all theyre running apps and go for it.
Reboot and voilá , amazing miracle, boot screen.
Personally, I choose to flash my card using ati-flash in dos, simply because thats what im used to and i feel its safer (running processes triggered in an os, leave me to fear an "interuption" during the flash). But seriously, im not gonna write instructions for that. Theyre all over the net. Seriously all over the net. Again ati-winflash & zeus 2.3 are working for alot of people.
In anycase, i have run into situations where i have to force the flash. I do so confident in the fact, that i have a backup of my original rom and my old efi card which i always can fall back to.
Ive also had cases, where i have used someone else efi´ed rom, for the same card (brand&model), that behaved strangely. Could be many, many reasons. Ive also had issues with a rom and reflashed the same rom, to find stability. Why? Dunno... try.
Guys seriously: The Info is Done for you! I mean netkas.org did all the legwork and its all there. I dont know man... there must be 10 guides on how to flash a 6870 on specifically that forum. Here for example, i just pulled the last one posted :
http://forum.netkas.org/index.php/topic,692.msg9200.html#msg9200
The thing is when ya keep askin the peeps that make all this possible for us, to rewrite the most basic guides over and over and over again; What you are doing is consuming theyre time, where they could otherwise, be making new great discoveries for us. It comes down to complaining about not being handfed.
Look, its a trial and error process, but the thing is, it really is easy once YOU TRY. Expecting a FULL guide written all over again...and again and again, by every person who mentions "i flashed my card and it works"....Before you even try with the instructions about....is just...well....amateur.
If you are offended by this P L E A S E buy a card done for you by Macvids or get an apple card .... PLEASE! It will save yourself alot of mental pain.
So to "Sum" it up as you "ask" :
Windows - GPU-Z save existing rom.
Send rom to osx (dont care how, mail it yourself if that works)
Open EITHER - Romcreator or Zeus (2.3 seems preferred)
Follow the instructions to make new rom.
Make new rom.
Save new rom to your preferred location.
Preferably somewhere you can find it again.
Save it with a name you can remember like EfiRom.
Now you will be flashing this new rom to your card.
You are presented with 3 paths.
You may only use One of these paths.
Some may not work for you, one will, though all should and have for me.
Zeus (in osx i use 2.3 cuz that worked on my 2 gig card) , Ati-WinFlash (in win) or AtiFlash (in dos).
Which path will you choose and which will bring you to grafical epifany is upto You!
The cards work. They have only 2 issues : Upper DVI port stops working in osx, but every other port does work. (so ya get a hdmi/dvi converter or dp/dvi) -and- they run at 2.5 , getting them to run at 5 is a holy grail discovered only by those who have crusaded it. Ask yourself , do i rrrreally notice the difference or even: " do i even know what that means?" . If you do and its imperative, then Macvids is infact your only solution or ofc an apple card for 3 times more the price.
I use xfx dual fans, because its the most silent ive heard yet. I use the 2 gig version because the 2 games i play in windows actually use more than 1 gig and mostly cuz it says 2 and not 1 ...and cost the same round here. There are aftermarket gpu coolers people install to make them quite. But advising you that makes me cringe.
So, now that ive covered the guilt you´ve managed to make me feel, and ive rewriting
Dantes Inferno again... I salute you, abandone this cause & wish you luck in your osx/gpu ventures.
And Now for the Small Print:
Offending me or anyone in that matter; because we dont feel like rewriting an already written book over again, specifically tailored to you, ...is simply proof of your own prententiosness and lazyness. It shows only; that you are used to being served your "knowledge" on a silver platter. In whatever eloquent manner anyone manages to state it, this gains no respect from me.