Sun Microsystems Sun Fire V490 - Manual (Page 40)

12 Sun Fire V490 Server Administration Guide • August 2004
System reliability, availability, and serviceability (RAS) are enhanced by features that
include hot-pluggable disk drives and redundant, hot-swappable power supplies. A
full list of RAS features is in the section, “About Reliability, Availability, and
Serviceability Features” on page 19.
Locating Front Panel Features
The illustration below shows the system features that you can access from the front
panel. In the illustration, the media door (upper right) and the power supply access
panel (bottom) are removed.
FIGURE 2-1 Sun Fire V490 Server Front Panel Features
For information about front panel controls and indicators, see “LED Status
Indicators” on page 13.
Security Lock and Top Panel Lock
In addition to the security lock on the system’s front panel, a top panel lock on the
top of the system controls entry to both the PCI access panel and the CPU access
panel. When the key is in the upright position, the media door is unlocked.
However, even if the top panel lock is in the Locked position, thereby locking both
the PCI and CPU access panels, you can still unlock the media door security lock and
System control switch
Power button
Disk drive status LEDs
Disk Drive 1
Disk Drive 0
DVD-ROM drive
Security lock
Fan Tray 0
Power Supply 0
Power Supply 1
Power supply status LEDs
System status LEDs
Fan tray LEDs