Here ia the Summary
Installing Support for Multiple CPUs
Click Start , point to Settings , point to Control Panel , and then click System .
Click the Hardware tab, and then click Device Manager .
Double-click to expand the Computer branch. Note the type of support that you currently have.
Double-click the computer type that is listed under the Computer branch, click the Drivers tab, click Update Driver , and then click Next .
Click Display a list of known drivers for this device , and then click Show all hardware of this device class .
Click the appropriate computer type (a computer type that matches your current type, except for multiple CPUs), click Next , and then click Finish .
The following table lists and describes each HAL.
HAL Description
ACPI MultiProc Use for a multiple-processor
ACPI computer
ACPI UniProc Use for a ACPI multiple-processor board but with a
single processor installed
Advanced Use for a single processor motherboard with single
Configuration processor ACPI computer
Power Interface PC
Compaq Systempro Use for a Compaq Systempro computer
MPS Uniprocessor PC Use on non-ACPI computers dual processor motherboard
with a single processor installed
MPS Multiproc PC Non-ACPI computers with a dual processor running
Standard PC Any Standard PC, non-ACPI, or non-MPS. Could be a 386,
486, Pentium, Pentium II, or Pentium III