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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
LE1
VGA
LAN2
LAN1
LEDM1
Intel
ASpeed
i210
AST2500
LEDEC2
JBT1
Intel
C246
IPMI CODE
MAC CODE
JSTBY1
BAR CODE
CPU
I-SGPIO2
I-SGPIO1
JF1
PWR
ON
RST
PWR
FAIL
OH
FF
NIC
2
NIC
1
HDD
PWR
LED
LEDPWR
NMI
Onboard Buzzer
Pin Definitions
Pin#
Definition
1
Pos (+)
2
Neg (-)
COM1
USB6/7
IPMI_LAN
(3.1)
USB0/1
BT1
SRW8
SRW9
22110
22110
J7
1
SRW2
SRW3
2280
2280
SRW1
SRW4
2260
2260
M.2-H_1
M.2-P_2
2
1
LE6
+
SP1
BIOS LICENSE
FAN2
FAN1
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
2. Power LED Indicator/
Speaker Header
Chapter 2: Installation
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