1-20
Chapter 1: Product introduction
11. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
12. TPM connector (20-1 pin TPM)
This connector supports a Trusted Platform Module (TPM) system, which can securely
store keys, digital certificates, passwords, and data. A TPM system also helps enhance
network security, protects digital identities, and ensures platform integrity.
The TPM module is purchased separately.
B85M-K PLUS
B85M-K PLUS TPM connector
PIN 1
TPM
LPCPD# GND +3VSB NC LAD0 +3V LAD3 PCIRST# LFRAME# LCLK
NC
CLKRUN#
SERIRQ
NC
GND LAD1 LAD2
NC
GND
B85M-K PLUS
B85M-K PLUS
Serial port connector
PIN 1
COM
RXD DTR DSR CTS
DCD TXD GND RTS
RI
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