Assist with Overclocking Locked Phenom II X4 945
Assist with Overclocking Locked Phenom II X4 945
Hello, I'm seeking advice or suggestions on how to improve the performance of my Phenom ii x4 945. I plan to upgrade soon, but currently this CPU is experiencing some issues. I've tried overclocking it, but have encountered numerous blue screens and stability problems. It seems to function normally for a short period before problems return. The error messages I receive are related to memory management, bad pool header, unhandled system service exceptions, and page faults in nonpaged areas. Usually, the system remains stable for about 15-30 minutes in Prime95, and blue screens disappear when I reset my BIOS to defaults. In my latest attempt, the BIOS settings were:
FSB - 240
NB - x9 (2160)
HT Link - x8 (1920)
Ram frequency - x5.33 (also tried auto and 6.66)
CPU Voltage - 1.455
NB Voltage - 1.3
I also attempted to manually adjust the RAM timings to match those in cpuz, but had no success. My assumption is that there might be an error in how I'm setting up my RAM. Any guidance would be very much appreciated.
When you overclock the FSB, other frequencies also increase, including memory and PCIe plus related buses. The memory frequency might rise beyond what is declared, making it impossible to overclock further or at all. The solution is only to reduce the RAM multiplier. A PCI/PCIe base frequency of 100MHz would also climb, leading to issues with connected devices; the fix is to set it manually to 100MHz. If the processor model is Black Edition, adjusting its multiplier and raising the CPU voltage would be simpler, avoiding the need to modify other components.
When you overclock the FSB, other frequencies also increase, including memory and PCIe plus related buses. The memory frequency might rise beyond what is declared, making it impossible to overclock further or at all. The solution is only to reduce the RAM multiplier. A PCI/PCIe base frequency of 100MHz would also climb, leading to issues with connected devices; the fix is to set it manually to 100MHz. If the processor model is Black Edition, adjusting its multiplier and raising the CPU voltage would be simpler, avoiding the need to modify other components.
CountMike's notes indicate several adjustments needed when overclocking. The memory and PCIe bus speeds increase as well, which can limit what you can achieve. The solution is to reduce the RAM multiplier. The base frequency of PCI/PCIe should be manually set to 100MHz to avoid conflicts with connected devices. For processors like Black Edition, changing the multiplier and adjusting CPU voltage might be simpler alternatives. gothcya asked about the practical steps for manually altering PCIe and PCI slot speeds.