English Product Guide

Installing and Replacing Desktop Board Components
37
Setting the Desktop Board Jumpers
NOTE
Always turn off the power and unplug the power cord from the computer before
changing a jumper. Moving the jumper with the power on may result in unreliable
computer operation.
Figure 14. Desktop Board Jumpers
Front Panel Audio Header/Jumper Block
This header (Figure 14, A) has two functions:
• With jumpers installed, the audio line out and mic-in signals are routed to the back
panel audio connectors (see Figure 2).
• With jumper
s removed, the header provides audio line out and mic-in signals for
front panel audio connectors (see Table 4).