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i have A7V880 and im happy, but always is "but" ;) i can`t reach maximum FSB. I have T-Bred B0 (signature) with unlocked multiplier. My CPU work at 12.5x199 in 1.95 VCore. Memory Hynix D43 Asynchro in DDR 398 mhz + 66 mhz so this isn`t fall of CPU or mem, because it can go stable in high clock. So, why i can`t set for example 10x227 ? Over FSB 210 my machine is unstable, why? I tray on every avaliabed voltages (DDR & VCore). Maybe someone have a idea?
motherboard chipset cant handle it.
Try better cooling or more Voltage to chipset.
From my experience with the A7V880, the motherboard needs extensive cooling to be stable at higher FSBs. It was almost impossible to run above 220 MHZ FSB with my XP90, until i fixed a 120 mm Fan onto it. With the added airflow on MOSFETs and Clockgen chips, i can even go above 227 MHR (with SetFSB for ICS94228, as Bios only supports 227).
How about an L12 mod for the tbred? I am sure cooling would help as well if the chipset gets friggin hot.
i think, if this problem is in cooling, so machine should stand up and be unstable or smth. and crash after several minuts, when temp. up. but comp didn`t stand up if FSB>210, never mind in with vcore, vdimm...