ASRock X370M-HDV Quick Installation Guide - Page 21

Tis COM1 header

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X370M-HDV ATX 12V Power Connector (4-pin ATX12V1) (see p.1, No. 1) This motherboard provides a 4-pin ATX 12V power connector. Serial Port Header (9-pin COM1) (see p.1, No. 17) TPM Header (17-pin TPMS1) (see p.1, No. 19) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM1 header supports a serial port module. PCIRST# FRAME PCICLK This connector supports 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. Print Port Header (25-pin LPT1) (see p.1, No. 16) STB# SPD0 SPD1 SPD2 SLCT SPD3 PE SPD4 BUSY SPD5 ACK# SPD6 SPD7 1 GND SLIN# PINIT# ERROR# AFD# This is an interface for print port cable that allows convenient connection of printer devices. English 19

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19
English
X370M-HDV
A³X 12V Power
Connector
(4-pin A³X12V1)
(see p.1, No. 1)
Tis motherboard
provides a 4-pin A³X 12V
power connector.
Serial Port Header
(9-pin COM1)
(see p.1, No. 17)
Tis COM1 header
supports a serial port
module.
³PM Header
(17-pin ³PMS1)
(see p.1, No. 19)
Tis connector supports
³rusted Platform Module
(³PM) system, which can
securely store keys, digital
certiFcates, passwords,
and data. A ³PM system
also helps enhance
network security, protects
digital identities, and
ensures platform integrity.
Print Port Header
(25-pin LP³1)
(see p.1, No. 16)
Tis is an interface
for print port cable
that allows convenient
connection of printer
devices.
1
AFD#
ERROR#
PINIT#
GND
SLIN#
STB#
SPD0
SPD1
SPD3
SPD2
SPD4
SPD5
SPD6
SPD7
ACK#
BUSY
PE
SLCT
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
PCIRST#
FRAME
PCICLK