Windows 7 Ultimate 64bit SP1 on SSD, XX on OS disk, music on SATAII spinning disk, ASUS P8H67-M, i5-2500 (4 cores), 24GB / Engine#4 Adaptive Mode, Q1/2/3/4/5 = 10/0/0/0/0, Q1Factor = 1, Dev. Buffer = 1024, ClockRes = 15ms, Straight Contiguous, SFS = 45, Playerprio = Low, ThreadPrio = Real Time, Scheme = 3, UnAttended, All Services Off, Minimize OS = On / XTweaks : Balanced Load = 85 / Nervous Rate = 100 / Cool when Idle = 0 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index : Optimal / No Arc Prediction, No Upsampling / Ayre QB-9