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Jumpers – Password and Boot Block
The system board password (P137) and boot block (P136) jumpers. Table -2 describes the jumper settings.
Table -2 System configuration switch settings
Jumper Status Function
On (default) Password enabled. P137
Off Password reset/disabled.
On Boot block unprotected. P136
Off (default) Boot block protected.
Clear CMOS button
The system board has a system configuration (CMOS) button (SW50). To clear system configuration, disconnect
AC power and press the CMOS button.
Status LED indicators
This section contains illustrations and descriptions of internal and external status LED indicators located on the:
• Front panel
• Rear panel
• System board
These LED indicators aid in problem diagnosis by indicating the status of system components and operations of
the server.
Front panel LED indicators
The front panel LED indicators allow constant monitoring of basic system functions while the server is operating.
Optical drive activity LED indicator
The optical drive has an activity indicator that indicates when the drive is reading media.
Figure -4 [Optical drive activity LED indicator]
Activity states for the optical drive are as follows:
• Flashing green – Ongoing drive activity
• Off – No drive activity
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