MSI 745 ULTRA User Guide - Page 21

Thermal Issue for CPU, CPU Core Speed Derivation Procedure

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Hardware Setup Thermal Issue for CPU As processor technology pushes to faster speeds and higher performance, thermal management becomes increasingly crucial when building computer systems. Maintaining the proper thermal environment is key to reliable operation. As such, the processor must be maintained in the specified thermal requirements. AMD recommends the use of high performance thermal interface material. AMD Athlon™ processor with a speed of 600MHz and above requires LARGER heatsink and fan. You also need to add thermal grease between the CPU and heatsink to improve heat dissipation. Then, make sure that the CPU and heatsink are securely fastened and in good contact with each other. These are needed to prevent damaging the processor and ensuring reliable operation. You can check AMD’s web site for more information on proper cooling. CPU Core Speed Derivation Procedure If CPU Clock = 100MHz Core/Bus ratio =7 then CPU core speed = Host Clock x Core/Bus ratio = 100MHzx7 = 700MHz WARNING! While replacing the CPU, always turn off the ATX power supply or unplug the power cable of the ATX power supply from grounded outlet first to ensure the safety of CPU. 2-3

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Hardware Setup
2-3
Thermal Issue for CPU
As processor technology pushes to faster speeds and higher performance,
thermal management becomes increasingly crucial when building computer
systems.
Maintaining the proper thermal environment is key to reliable
operation.
As such, the processor must be maintained in the specified thermal
requirements.
AMD recommends the use of high performance thermal inter-
face material.
AMD Athlon™ processor with a speed of
600MHz and above
requires LARGER
heatsink and fan.
You also need to add thermal grease between the CPU and
heatsink to improve heat dissipation.
Then, make sure that the CPU and heatsink
are securely fastened and in good contact with each other.
These are needed
to prevent damaging the processor and ensuring reliable operation.
You can check AMD±s web site for more information on proper cooling.
CPU Core Speed Derivation Procedure
If
CPU Clock
=
100MHz
Core/Bus ratio
=
7
then
CPU core speed
=
Host Clock x
Core/Bus ratio
=
100MHz x 7
=
700MHz
While replacing the CPU, always turn off the ATX
power supply or unplug the power cable of the ATX
power supply from grounded outlet first to ensure the
safety of CPU.
WARNING!