Epson Endeavor Pro, User Manual

Page: 40 / 187

Con figuring shadow memory
You can enable video BIOS shadowing or configure specific
option ROM shadow blocks by selecting the
Memory
Shadow option.
N o t e
Shadowing for the system BIOS is always enabled. For the
best system performance, always set the Video BIOS
shadow option to Enabled (the default setting).
Your computer can access RAM faster than ROM. The options
on this screen allow your system to copy the contents of its
video ROM and any optional ROMs into RAM. When you use
shadowing, your system can perform certain operations faster,
providing a significant increase in performance.
N o t e
Some option ROMs cannot be shadowed using the Shadow
Option
ROMS
options; see the documentation that came
with your optional equipment for information on
shadowing the option’s BIOS ROM.
Configuring the advanced chipset
Most of the Advanced Chipset Control options are for
test purposes only, and you should not change them. However,
you will need to set the
PC1 clock frequency option if
you upgrade your processor. The default setting is
CPUCLW 1.5 (for 75 Mhz processors); change it to CPUCLW 2
if you install a 90 or 100 Mhz processor.
Running SETUP and Installing Drivers
2 - 1 1