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Author Topic: 6950 Atiflash - Error 0fl01 [RESOLUTION]  (Read 14625 times)
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July 04, 2011, 10:58:25 PM


Unfortunately I'm locked into this newbie forum but just wanted to post on a common problem with the 6950's.  Google may still help those interested.

I have an HIS 6950 2GB (which is pretty crud compared with the nice Asus cards) and I was able to flash it using Atiwinflash.  Unfortunately, the card then failed to post.

This card has no second bios (reference card has a swtich) I could boot using a second card, and get into windows (booting from USB key version, so no driver problems but otherwise you'll need to make sure the drivers don't get locked up on failing card #2).  From there I could run Atiwinflash (after -unlockrom 1, and with -f 1).

Atiwinflash ran without errors (also without confirmation), but the ROM was unchanged.  I tried atiflash from DOS, but the error was:

ROM Not Erased
Error 0fl01

This seems to be quite common from google searches.  What I found is that some people have been able to update their roms by shorting pins 1 and 3 on the ROM chip (Which is write protected).  The chip is usually PM25LV010.

See here, for one, or google for other instructions:

However, in my case I was able to flash it the first time (which fubar'd it) but not after this, so it did not seem like the chip was write protected.  Further, the chip on the HIS is MX25L005, not PM25LV010 (this is the chip on my Asus cards which are not write protected).

Googling the datasheet for the MX25L indicated the write protect pins were identical to the PM25L ( so I gave it a shot.

The hardware short worked perfectly.  No extra shaders even after getting an RBE modded bios loaded though...

So I'm sharing this for two reasons:

(1) If you have an HIS card, yes you can probably flash it with the hardware mod, but it will only unlock the OC, not the shaders.

(2) If you fubar your card and get error 0FL01 trying to recover, give the hardware hack a try.
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July 24, 2011, 08:19:27 PM

Thanks for this post!  I just unbricked an MSI 6950 Twin FrozR II with this hardware hack.  I had tried to overclock it by flashing the bios, which did flash the first time but it wouldn't POST afterwards.  When I tried to revert to the original bios I kept getting the Error 0fl01 from Atiflash.  After reading your post I examined my board and that chip looked to be the same, so I shorted the terminals and was able to flash the bios back.  I also had to re-attach the heat sink before the card would be recognized to be able to flash it.
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