Windows

(the following is an excerpt from KB Q23455
In Microsoft Windows NT 4.0, the Uptomp.exe tool can be used to add support for multiple CPUs. The Uptomp.exe tool is no longer used in Windows 2000, instead, you can use Device Manager to make these changes. Note that before changing the computer type, contact your computer manufacturer to determine if there is a vendor-specific HAL you should use instead of the standard ones included in Windows 2000. To install 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 the Computer branch to expand it. Note the type of support you currently have.

Double-click the computer type 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 (one tha

(too short a space to complete)

that matches your current type, except for multiple CPUs), click Next, and then click Finish.