Supermicro SuperWorkstation SYS-531AD-I User Manual page 53

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.
COM Header
The motherboard has one COM header. COM1 is located next to the JF1 header. Refer to
the table below for pin definitions.
TPM/Port 80 Header
A Trusted Platform Module (TPM)/Port 80 header is located at JTPM1 to provide TPM support
and Port 80 connection. Use this header to enhance system performance and data security.
Refer to the table below for pin definitions. Please go to the following link for more information
on the TPM: https://www.supermicro.com/manuals/other/AOM-TPM-9670V_9670H.pdf.
Internal Buzzer
Pin Definitions
Pin# Definition
1 Pos (+)
2 Neg (-)
COM Header
Pin Definitions
Pin# Definition Pin#
1 DCD
2 RXD
3 TXD
4 DTR
5 Ground 10
TPM/Port 80 Header
Pin Definitions
Pin# Definition
1 P3V3
3 PCIE_RESET_N
5 SPI_PCH_CLK
7 SPI_PCH_MOSI
9 P3V3_STBY
53
Chapter 4: Motherboard Connections
Beep In
Alarm Speaker
Definition
6 DSR
7 RTS
8 CTS
9 RI
N/A
Pin# Definition
2 SPI_TPM_CS_N
4 SPI_PCB_MISO
6 GND
8 X
10 IRQ_TPM_SPI_N