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Home > Hardware Reviews > PC Parts

Wednesday, April 18, 2007
Foxconn P9657AB

3. Bios

The BIOS is from Phoenix:

In the "CPU Feature", we can disable SpeedStep and allow overclocking capabilities:

In the "FOX Central Control Unit", we can control all the major functions of the board. For our tests, we will set all functions manually, over-riding the auto settings:

FSB can be range from 266MHz up to 600MHz. We will see later on if this is achievable:

The North Bridge chipset controls DRAM. By default, all settings are at Auto. But users can take control and adjust the memory timings for better performance:

DRAM System Memory Frequency has 4 settings to choose from, SPD to DDR2-800MHz.

Each setting represents a different FSB:RAM ratio, so be careful what you select:

  • DDR2-533 (1:1)
  • DDR2-667 (4:5)
  • DDR2-800 (2:3)

Memory, CPU, FSB, NB, SB and ICH voltages can be set according to the following table.

BIOS Setting Feature:
CPU Clock Multiplier
Not possible to set
CPU bus frequency
266 to 600MHz in 1MHz steps
CPU voltage
Normal to +0.3V in 0.0125V increments
DRAM voltage
Normal, -0.15V to +0.6 in 0.05V increments
(2.4V max)
PCI Express frequency
i965 MCH voltage
Normal, -0.12V to +0.24V in 0.04V increments
FSB voltage
Normal, -0.09V to +0.18V in 0.03V increments

If you overclock the CPU core, here is a suggested configuration:

Hardware monitor is useful to see how hot your CPU runs:

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