Specifications
Baseboard Connectors
007-4276-001 111
Front Panel Interface (J9E3)
The front panel attaches to a 30-pin header on the baseboard. The header contains reset,
NMI, sleep, and power control buttons, LED indicators, and an IPMB connection. The
table below summarizes the front panel signal pins, including the signal mnemonic,
name, and brief description.
Note: Thetypeofconnector(in,out,in/out,power,ground)indicatedinTableA-22is
described from the perspective of the baseboard.
Table A-22 Front Panel Connector (J9E3)
Pin Signal Type Description
1 SPKR_FP Out SPEAKER DATA for the front panel/chassis mounted
speaker.
2 GROUND Ground GROUND is the power supply ground.
3 CHASSIS_INTRUSION In CHASSIS INTRUSION is connected to the BMC and
indicates that the chassis has been opened.
CHASSIS_INTRUSION is pulled high to +5 V standby
on the baseboard.
4 FP_HD_ACT* Out HARD DRIVE ACTIVITY indicates there is activity on
one of the hard disk controllers in the system.
5 +5V Power +5 V is the 5 volt power supply.
6 FP_SLP_BTN* In FRONT PANEL SLEEP is connected to the BMC and
causes the system to sleep if supported by the operating
system. FP_SLP_BTN* is pulled high to +5 V on the
baseboard and is intended to be connected to a
momentary-contact push button (connected to
GROUND when pushed) on the system front.
7 COOL_FLT_LED* Out COOLING FAULT LED indicates that either a fan
failure has occurred or the system is approaching an
over-temperature situation. COOL_FLT_LED* is an
output of the BMC.
8 PWR_LED* Out POWER PRESENT LED.










