Acer S511P, Service Manual

Page: 47 / 124

Chapter 2 41
The following table describes the parameters found in this sub-menu.
Parameter Description Options
Level 1 Cache (processor
Cache) Lets you enable or disable the primary cache
memory, i.e., the processor memory.
Enabled
or Disabled
Level 2 Cache Lets you enable or disable the secondary
cache memory.
Enabled
or Disabled
Memory at 15MB-16MB
Reserved for To prevent memory address conflicts between
the system and expansion boards, reserve
this memory range for the use of either the
system or an expansion board. Some VGA
cards have required settings for this feature.
Check your VGA card manual before setting
this parameter.
System
or Expansion board
CPU Frequency Multiplier Sets the Core/bus ratio of your system. The
clock speed of the bus does not necessarily
equal the CPU’s (core). The bus clock speed
is often slower than the CPU clock speed. If
you change CPU Frenguency Multiplier but
CPU speed is not changed, that means CPU
Frequency is fixed, can’t be changed. 3X , 3.5X, 4X, 4.5X.......8X