Mp Table Compliant; Cpu Clock Ratio - Acer AcerAltos 21000 System Manual

In cases when this parameter is enabled before installing Windows
NT in a single-processor system, you may upgrade to a
multiprocessor system without reinstalling Windows NT.
4.6.9

MP Table Compliant

This parameter shows the multiprocessor specification compliance
version. The default setting is V1.4. If you install an older operating
system, particularly SCO UNIX v3.2.x.x or earlier, set this parameter
to V1.1.
4.6.10

CPU Clock Ratio

Sets this parameter for 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.
BIOS Utility 4-21