I accidentally flashed my card's original BIOS with the switch to the right (away from HDMI). Now ATIWinflash won't let me re-flash the stock BIOS which I backed up. It says 'VBIOS image not found'.
The card is still working and detectable in both device manager and ATIWinflash... I'd just like to get the original BIOS back on before I modify the silent one in case it gets bricked.
I did the 1500 timing straps. For those interested, it only increased performance from 24.3 to 24.6 Mh/s.