Unswitched

AC outlet AC input

 

Switched

 

AC outlet /==I-,’

\

Composite Dire&drive RSi32C Parallel Opt& card

video port video port serial port poti access slots

Figure 1-4. Back panelThe back panel components work as follows:

Switched AC outlet. Auxiliary power outlet. You can plug the power cord of an IBM-compatible monochrome monitor into this outlet, if the monitor’s power consumption does not exceed 1 amp. The main unit’s power switch controls the monitor connected to this outlet.

Unswitched AC outlet. Auxiliary power outlet. You can plug a peripheral such as a color monitor or a printer into this outlet, if the peripheral’s power consumption does not exceed 1.5 amps. The main unit’s power switch does not control the peripheral connected to this outlet.

AC input. Plug the power cord into the main unit here to supply electrical power to the computer. Make sure the computer is off when you plug the power cord into a wall outlet.

Composite video port. You can plug a composite monitor into this RCA-type phono jack. See “Setting the DIP Switches” in this chapter to find out how to set switches l-5and l-6to match your monitor type-