10.Run SETUP to enable the External Cache option and check that the Shadow BIOS ROM and Shadow Video ROM options are set to Cacheable or
When the computer restarts, it displays the amount of external cache you have installed on the system.
Upgrading the MicroprocessorYou can upgrade your computer by replacing the microprocessor with a faster one. You can purchase upgrade kits from Epson or buy the individual components separately. The following table lists the components you can use to upgrade the microprocessor in your system.
Microprocessor upgrade components
Use the table below to identify the general steps you need to perform to upgrade your microprocessor. Then see the page listed in the final column for instructions on performing those steps.