Topic on Glossary talk:Overclocking
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Putting aside having to know the quirks behind one's CPU, we have:
AMD
- AMD Overdrive [shouldn't https://web.archive.org/web/20160301035238/http://www.overclock.net/t/1555615/amd-kaveri-refresh-a10-7870k-apu-arrives/320] be used on >K10 CPUs.
- BCLK overclock is known to screw up with the SATA controller, requiring to disable AHCI and enable IDE mode for all but the most timid adjustments. This doesn't seem to happen when using AMD's own SATA controller driver in place of Windows's.
- Forcing any IGP frequency will nuke any kind of idle state and power saving measure (except when going through the SMU?)
- IGP overclocking may even be pointless for performance, at least with regard to some games on slower DDR3 platforms
General
- HPET.
- If for some reason you need to maximize memory frequency/bandwidth (whatever the crazy benchmark or the IGP troubles above), but memory multipliers aren't granular enough, one crafty expedient is to lower the CPU multiplier and nonetheless raise the BCLK