Technical Reference 
 49 
2.3  Jumper Block 
 CAUTION 
Do not move the jumper with the power on.  Always turn off the power and unplug the 
power cord from the computer before changing a jumper setting.  Otherwise, the 
board could be damaged. 
Figure 14 shows the location of the jumper block.  The 3-pin jumper block determines 
the BIOS Setup program’s mode.  Table 28 describes the jumper settings for the three 
modes:  normal, configure, and recovery.   
 
Figure 14.  Location of the Jumper Block