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P8Z68 Deluxe Firmware

Round-Up: Four Z68 Motherboards From $220 To $280

Familiarity doesn’t always breed contempt, as minimal changes to Asus’ AI Tweaker menu make it easier for experienced users to navigate. Integrated GPU overclocking is added to the list of frequency controls.

Asus OC Tuner allows the system to initiate an automatic overclock and stability routine that was able to push our CPU to 4.43 GHz at a mere 1.27 V. That should be enough for the average, inexperienced overclocker, and is probably safe enough to protect the CPU’s longevity for a few years.

We reached our 1.35 V full-load overclocking target voltage using the P8Z68 Deluxe’ 1.335 V setting with Load-Line Calibration set to Extreme. Asus adds another Load-Line Calibration setting for integrated GPU overclocking.

Integrated GPU voltage and DRAM reference voltage is added to the familiar voltage controls used by most overclockers. Asus is really pushing the idea of integrated GPU overclocking, although this board (and its lack of display outputs) is only capable of accelerating video transcoding.

Primary, secondary, and tertiary timings are all found in the P8Z68 Deluxe’ DRAM Timing Control submenu. We used our memory’s XMP Profile 1 for the motherboard’s memory overclocking tests.

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