Intel DZ77GA-70K Performance Tuning Guide

Intel DZ77GA-70K / DZ77RE-75K Desktop Board Performance Tuning Guide
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4.2 4.72 GHz Processor Speed Using Turbo Ratios
and System Clock Changes
Figure 4.2 shows the BIOS settings to achieve a processor speed of 4.72 GHz. Turbo
ratios of 45 were set for all of the processor cores. The system base clock frequency
has been increased from the default value of 100 MHz to 105 MHz. XMP profiles were
used to obtain a memory speed of 1600 MHz. These settings are shown while running
the CPU Stress Test included with the Intel Extreme Tuning Utility shown in Figure 4.3.
Figure 4.2. 4.72 GHz Processor Speed Using Turbo Ratios
with a 105 MHz System Clock Setting

Intel DZ77GA-70K Specifications

General

Form Factor	ATX
Chipset	Intel Z77
Socket	LGA 1155
Memory Slots	4
Max Memory	32 GB
SATA 6Gb/s Ports	4
SATA 3Gb/s Ports	4
USB 3.0 Ports	4
USB 2.0 Ports	8
CrossFire Support	Yes
SLI Support	Yes
Memory Speed	DDR3 1600/1333/1066
PCI Express x16 Slots	2
PCI Express x1 Slots	2
LAN	Intel 82579V Gigabit Ethernet
Audio	7.1 Channel High Definition Audio
RAID Support	RAID 0, 1, 5, 10
PCI Slots	2