Sun Microsystems V490 manual Locating Front Panel Features, Security Lock and Top Panel Lock

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.

System status LEDs	System control switch
		Power button
	Fan tray LEDs
		Disk drive status LEDs
		Disk Drive 1
		Disk Drive 0
Fan Tray 0		DVD-ROM drive

Power supply status LEDs

Security lock

Power Supply 1

Power Supply 0

FIGURE 2-1Sun 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

12 Sun Fire V490 Server Administration Guide • August 2004