Supermicro C9X299-PGF-L User Manual page 47

Internal Speaker/Buzzer
The Internal Speaker/Buzzer (SP1) is used to provide audible indications for various beep
codes. Refer to the table below for pin definitions.
Speaker Header
On the JD1 header, pins 3-4 are used for a buzzer. If you wish to use an external speaker,
close pins 1-4 with a cable. Refer to the table below for pin definitions.
JCOM1
MH15
BMC
JPB1
MH14
BAR CODE
B2 IPMI CODE
+
MAC CODE
LED6904
PCIE M.2 M-2
PCIE M.2-M1
JSTBY1
JBT1
LED7201
LED1
2
PCH
SP1
1
U.2-1 U.2-2
JLED1
1 I-SATA4 I-SATA2 I-SATA0
I-SATA5 I-SATA3 I-SATA1
Internal Speaker/Buzzer
Pin Definitions
Pin# Definition
1 Pos (+)
2 Neg (-)
Speaker Header
Pin Definitions
Pin# Definition
3-4 Buzzer
1-4 External Speaker
J3701
HD AUDIO
LAN1
USB 8/9 (3.1) USB 6/7(3.1)
MH12
SYS_FAN3
BIOS
LICENSE
LED6903
LGA2066
DIMMC2
DIMMC1
DIMMD2
DIMMD1
JSD1
SYS_FAN1
JPW1
Beep In
Alarm Speaker
1. Internal Speaker/Buzzer Header
VGA
KB/Mouse 2. Speaker Header
USB 4/5(3.0)
SYS_FAN2
DIMMB1
DIMMB2
DIMMA1
DIMMA2
JPW3
JPW2
CPU_FAN1
CPU_FAN2
JPI2C1
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Chapter 2: Installation