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I am looking for the stock bios for the ASUS Dual RX480 4GB with Flash type GD25Q21B.

I have tried the 4 bios that I can find on techpowerup.com that matches the cards specs.
The cards specs are
GPU Clock:   1266 MHz
Memory Clock:   1750 MHz

It did not cross my mind when I received my order of 6 ASUS Dual RX480 4Gb cards that they might not be the same.

So I saved one of the bios and edited it for timing and flashed it to all 6. It is then that is discovered i made a mistake.

adapter bn dn fn dID       asic           flash      romsize test    bios p/n   
======= == == == ==== =============== ============== ======= ==== ==============
   0    01 00 00 67DF Polaris10       GD25Q41B         80000 pass 115-D000PI0-100
   1    02 00 00 67DF Polaris10       GD25Q21B         40000 pass 115-D000PI0-100
   2    03 00 00 67DF Polaris10       GD25Q41B         80000 pass 115-D000PI0-100
   3    04 00 00 67DF Polaris10       GD25Q21B         40000 pass 115-D000PI0-100
   4    05 00 00 67DF Polaris10       GD25Q21B         40000 pass 115-D000PI0-100
   5    09 00 00 67DF Polaris10       GD25Q21B         40000 pass 115-D000PI0-100
   6    0A 00 00 67DF Polaris10       GD25Q21B         40000 pass 115-D000PI0-100


only the following does not result in restarts when i flash them to the GD25Q21B.
ASUS RX480 4GB 67DFHB.15.50.0.0.AS24.rom
ASUS RX480 4GB 67DFHB.15.50.0.0.AS28.rom


the two flash type GD25Q41B can be strapped and overclocked with bios AS28.rom I get a nice 28Mhs and they can run any algorithm.

the other 4 with fash type GD25Q21B only runs at stock settings. no tweaking of memory speed or timing changes has any positive result with bios 24 or 28.

So I am thinking that maybe I don't have the right bios? Any help would be nice. ASUS support is not willing to provide any information at all.

This is the stock bios for the oc (1300/1750) 480 4gb dual. Might work for you.

thanks. tried it not working with my cards ;-( thanks

Anyone who bought one of the white ASUS DUAL RX480 4GB that can help?

Looking for the bios of the flash type GD25Q21B