GIGABYTE X99 SOC Champion OC Guide (Broadwell E Update) by dinos22 & sofos1990 1. SINGLE BIOS mode : make sure you turn it ON (position 2). This switch will disable Dual bios mode in case it triggers a bios switch or update due to OC fail. 2. This CPU_Mode switch is ONLY required for 5960X (Haswell-E) and it is not required for Broadwell-E (6950X). We suggest that you leave it in DEFAULT position (position 1) 3. POWER DRAW : Our testing has shown that Broadwell-E draws less power than Haswell-E, despite the fact it has a higher amount of cores. This is welcome news as some PSUs were having problems with OCP shutdown as power draw exceeded the Amp draw limit on 12V rail. This may still be happening on PSUs of lesser quality or with aggressive OCP spec. We recommend discussing with peers what PSUs to use for extreme OC. 4. CB (Cold Bug) & CBB (Cold Boot Bug) changes : From our experience testing 6950X CPUs, we've see