Dell DL4300 Owner's Manual page 10

diagnostic LEDs or the LCD panel is prominently on the front panel. The hot swappable hard drives are
accessible from the front panel.
Figure 1. Front panel features and indicators (Twelve x 3.5–inch hard drive chassis)
1. System identification button
2. Power button
3. NMI button
4. Information tag
5. Hard drives
6. USB management port/iDRAC Direct
7. Video connector
8. Quick Sync (optional)
Table 3. Front panel features
Item Indicator, Button, or
Connector
1 System identification
button
2 Power button
10
Icon Description
The identification buttons on the front and back
panels can be used to locate a particular system
within a rack. When one of these buttons is
pressed, the system status indicator on the back
flashes until one of the buttons is pressed again.
Press to toggle the system ID on and off.
If the system stops responding during POST, press
and hold the system ID button for more than five
seconds to enter BIOS progress mode.
To reset the iDRAC (if not disabled in F2 iDRAC
setup) press and hold the button for more than 15
seconds.
The power-on indicator lights when the system
power is on. The power button controls the power
supply output to the system.