Central Processing Unit: Cpu - MSI MS-6577 Getting Started

Chapter 2

Central Processing Unit: CPU

The mainboard supports Intel
package. The mainboard uses a CPU socket called PGA478 for easy CPU
installation. When you are installing the CPU, make sure the CPU has a heat
sink and a cooling fan attached on the top to prevent overheating. If you do not
find the heat sink and cooling fan, contact your dealer to purchase and install
them before turning on the computer.
CPU Core Speed Derivation Procedure
If CPU Clock
Core/Bus ratio
then CPU core speed
MSI Reminds You...
Overheating
Overheating will seriously damage the CPU and system, al-
ways make sure the cooling fan can work properly to protect
the CPU from overheating.
Replacing the CPU
While replacing the CPU, always turn off the ATX power sup-
ply or unplug the power supply's power cord from grounded
outlet first to ensure the safety of CPU.
® ®
Pentium 4 processor in the 478 pin
= 100MHz
= 14
= Host Clock x Core/Bus ratio
= 100MHz x 14
= 1.4 GHz
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