Dell PRECISION 530 - Manual (Page 37)

About Your Computer 37
NOTE: The control panel is mounted to the front of the chassis frame. It
controls the power button, power light, and hard-drive access light. The chassis
intrusion switch and the chassis speaker are mounted inside the computer
cover. For more information on these components, see the
Service Manual.
Front Panel Labels
The following table lists the labels for connectors on the front panel, and
briefly describes the function of each.
F r o n t Pa n e l L a b e l s
Connector Label
1394 System board IEEE 1394 connector
1394_FNT IEEE 1394 connector
AUDIO System board audio connector
CTRL_PNL Control panel connector
DIAGLED Diagnostic lights
EXT_SPKR Chassis speaker connector
FNT_PNL System board connector
HP_OUT speaker/headphone jack
INTRUDER Chassis intrusion switch connector
USB_FNT Port 2 USB connectors (2)