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Onboard Buzzer
The Onboard Buzzer (SP1) is used to provide audible indicators for various beep codes. By
default, pins 6-7 of JD1 are closed with a cap, which enables the use of this buzzer. Refer
to the table below for pin definitions.
Power LED Indicator/Speaker Header
Pins 1-3 of JD1 are used for power LED indication. By default, pins 6-7 are closed with a cap
to enable the onboard buzzer at SP1. To use an extra speaker instead, connect the speaker
connector to pins 4-7. Refer to the tables below for pin definitions.
PWR LED Connector
Pin Definitions
Pin#
Signal
1
VCC
2
FP_PWR_LED
3
FP_PWR_LED
ASpeed
AST2500
LEDBMC
X11SCL-F
REV:1.01
2
MH11
SP1
1
MH10
BT1
USB2/3
JBT1
USB4/5
Intel
C242
M.2 PCI-E 3.0 X4
JTPM1
I-SGPIO1
I-SATA0
LE3
I-SATA1
LEDPWR
I-SATA2
JSD1
I-SATA3
JSD2
Onboard Buzzer
Pin Definitions
Pin#
Definition
1
Pos (+)
2
Neg (-)
VGA
LAN2
LAN1
Intel
i210
DESIGNED IN USA
CPU
MEGERAC
LICENSE
JF1
JSTBY1
49
VCC
Beep In
Speaker/Onboard Buzzer Header
Pin Definitions
Pin#
Signal
4
P5V
5
Key
6
R_SPKPIN_N
7
R_SPKPIN
1. Onboard Buzzer
COM1
2. Power LED Indicator/
IPMI_LAN
USB0/1
MAC CODE
BAR CODE
Chapter 2: Installation
Speaker Header
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