English 65
5   Features and Specifications
System Board Switches
5   
Features and Specs
System Board Switches
There are several switches and jumpers on the PC system board which 
set the bus speed, the processor speed, and security and other 
features. This section shows you where the switches and jumpers are 
located on the system board and what they are for. 
Processor Speed Switch SW2 and Bus Speed Jumper J-7
Refer to “Installing an Upgrade/Overdrive Processor” on page 32.
Cache Jumper J6
Refer to “Installing an Optional Cache Memory Module” on page 19.
Processor
 Speed
Bus Speed
Cache Jumper
Some models only)
Power-on
Spacebar
Multipurpose
Switch
External Start 
Connector
(Some models only)