Central Processing Unit: Cpu; Cpu Core Speed Derivation Procedure; Memory Speed/Cpu Fsb Support Matrix - MSI 661FM Series User Manual

Central Processing Unit: CPU

The mainboard supports Intel
essor in the 478 pin 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 pur-
chase and install them before turning on the computer.
about CPU, please visit http://www.msi.com.tw/program/products/mainboard/mbd/
pro_mbd_cpu_support.php )

CPU Core Speed Derivation Procedure

If CPU Clock
Core/Bus ratio
then CPU core speed

Memory Speed/CPU FSB Support Matrix

FSB
400 MHz
533 MHz
800 MHz
MSI Reminds You...
Overheating
Overheating will seriously damage the CPU and system. Always
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 supply
or unplug the power supply's power cord from grounded outlet
first to ensure the safety of CPU.
®
Pentium
= 100MHz
= 17
= Host Clock x Core/Bus ratio
= 100MHz x 17
= 1.7 GHz
Memory
DDR 266
OK
OK
OK
Hardware Setup
®
4 Prescott & Northwood proc-
(For the latest information
DDR 333 DDR 400
OK OK
OK OK
OK OK
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