Anyone tried use multiple Fury X cards? Although the VBIOS has been updated to the latest one which claims to support UEFI, it still cannot enter motherboard bios after enable Above 4G decoding in MSI motherboard.

Someone has the real VBIOS for R9 Fury X that supports UEFI GOP, appreciated it if you could share it.

Anyone knows why XFX RX480 hash rate decrease so much after Claymore V12.4 start from fresh?

When I upgrade to V12.5, I found the power consumption is higher while hash rate remain unchanged, so I changed back. However when I watched it for a while, I found the hash rate start from around 300 H/s each card and decrease very fast in a short time, around the second or third hash rate refresh, it decreased to 270 H/s. Btw I used afterburner to control -30% power limit, otherwise my 1000W PSU would not stand the 5 cards running at full strength which is around 1000W.

I think maybe several reasons below:
1. The motherboard is too old? P5Q Pro Turbo with E8400 core 2.
2. The risers are always in hot environment so degenerated after using for around 3 months.
3. Due to limited power limit, the miner cannot run at full speed.

Any advice? Thanks.

I switched back to v 12.4 after seeing there is no improvement in hash rate while temperature is higher for my two fury X cards.

I downgrade ubuntu 16.04 to 15.04 today just to check if my two fury x can produce 500 h/s each or not? I am quite confused with the hash rate report.

[Total] 498.0 I/s 948.6 S/s (5s) 498.1 I/s 928.0 S/s (1s)

Does it mean each is around 500 H/s? but from flypool side, it is only 570 H/s for two cards.

Is there an option to show power consumption of individual GPU?

Thanks.  It seems I have to downgrade Ubuntu 16.04 into 15.04 to use this driver.  

I am using Ubuntu 16.04, driver using AMDGPU-pro v 16.40, it seems the speed is not so high, around 460 h/s. I don't know where to download fgrlx 15.30.3.