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Question: Sapphire HD 6870 EFI Rom Flashing Problem
6870 - 0 (0%)
efi rom - 1 (50%)
flash - 1 (50%)
Total Voters: 2

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Author Topic: Sapphire HD 6870 EFI Rom Flashing Problem  (Read 6239 times)
phitman22
Newbie

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Posts: 3


« on: April 11, 2014, 07:07:32 AM »

First I thanks so much netkas and all guys.

I tried efi rom flashing for my sapphier hd 6870 several times but have so serious problem.

My VGA is http://www.sapphiretech.com/presentation/product/product_index.aspx?pid=1270&lid=1
My mac pro is 2008 early 3.1(3.2 octa core) / boot camp win7 64bit


I followed netkas instruction.

1) put 6870.efi.rom into folder, also your original rom with name pc6870 into same folder and script fixrom.py into very same folder

2) in Terminal.app (bash):
cd that_folder_with_files
blocknum=`printf %d "'\`dd if=pc6870.rom bs=1 skip=2 count=1 2>/dev/null\`"`
size=$(($blocknum * 512))
dd if=6870.efi.rom of=pc6870.rom bs=$size seek=1 conv=notrunc
python fixrom.py pc6870.rom pc6870.rom

But below error massage present

Sung-Joon-Parkui-Mac-Pro:~ hitman22$ dd if=6870.efi.rom of=pc6870.rom bs=$size seek=1 conv=notrunc dd: pc6870.rom: Permission denied
Sung-Joon-Parkui-Mac-Pro:~ hitman22$ python fixrom.py pc6870.rom pc6870.rom

Before:
OpRom (size=64000, indicator_offset=0x205, indicator=0x80, checksum=0xff)
RawData (size=67072)

After:
OpRom (size=64000, indicator_offset=0x205, indicator=0x80, checksum=0xff)
RawData (size=67072)
Traceback (most recent call last):
  File "fixrom.py", line 115, in <module>
    f=file(sys.argv[2], "w")
IOError: [Errno 13] Permission denied: 'pc6870.rom'

I can't make efi rom for my vga card. I need your help. Please let me know the solution this error.  
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