SXB1_3
SXB1_4
1
JUIDB1
CPU2_PORT2C
CPU2_PORT2A
CPU1_PORT2CCPU1_PORT2A
CPU1_PORT3C
CPU1_PORT3A
SXB1D
SXB1C
SXB1B
SXB2
SXB1A
P2-DIMME1
JPW4
CPU2_PORT3D
CPU2_PORT3C
CPU2_PORT3B
CPU2_PORT3A
A. Internal Speaker (Buzz-
er)
B. OH LED
Internal Speaker
The Internal Speaker, located at SP1,
can be used to provide audible indica-
tions for various beep codes. See the
table on the right for pin denitions.
Refer to the layout below for the loca-
tions of the Internal Buzzer (SP1).
Internal Buzzer (SP1)
PinDenition
Pin# Denitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm
Speaker
A
B
Overheat/Fan Fail LED
The JOH1 header is used to connect
an LED indicator to provide warnings
of chassis overheating and fan failure.
This LED will blink when a fan failure
occurs. Refer to the tables on right for
pin denitions.
OH/Fan Fail LED
Status
State Message
Solid Overheat
Blinking Fan Fail
OH/Fan LED
PinDenitions
Pin# Denition
1 5vDC
2 OH Active