PB570/580/590/620/630/650 CPU Upgrade

Caution Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty.
 

Note

This motherboard can accommodate any of the following CPUs.
 
Intel Pentium 75 MHz
Intel Pentium 90 MHz
Intel Pentium 100 MHz
Intel Pentium 120 MHz
Intel Pentium 133 MHz
 
Uses 320-pin Type 5 Zero Insertion Force (ZIF) socket. Not keyboard switchable. Disable cache to slow down the system.
 

Note

The settings with (asterisk) are the default setting.