ASRock Q1900-ITX User Manual - Page 21

Platform Module TPM system, Serial Port Header

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Chassis Intrusion Header (2-pin CI1) (see p.5, No. 12) TPM Header (17-pin TPMS1) (see p.5, No. 10) 1 Serial Port Header (9-pin COM1) (see p.5, No. 14) PCICLK FRAME PCIRST# LAD3 +3V LAD0 +3VSB GND GND SMB_CLK_MAIN SMB_DATA_MAIN LAD2 LAD1 GND S_PWRDWN# SERIRQ# GND Q1900-ITX This motherboard supports CASE OPEN detection feature that detects if the chassis cove has been removed. This feature requires a chassis with chassis intrusion detection design. 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. This COM1 header supports a serial port module. Print Port Header (25-pin LPT1) (see p.5, No. 17) AFD# ERROR# PINIT# SLIN# GND 1 SPD7 SPD6 ACK# SPD5 BUSY SPD4 PE SPD3 SLCT SPD2 SPD1 SPD0 STB# This is an interface for print port cable that allows convenient connection of printer devices. English 17

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Q1900-ITX
17
English
Chassis Intrusion Header
(2-pin CI1)
(see p.5,
No. 12)
°is motherboard supports
CASE OPEN detection feature
that detects if the chassis cove
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
TPM Header
(17-pin TPMS1)
(see p.5,
No. 10)
°is 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.
Serial Port Header
(9-pin COM1)
(see p.5, No. 14)
°is COM1 header
supports a serial port
module.
Print Port Header
(25-pin LPT1)
(see p.5, No. 17)
°is is an interface
for print port cable
that allows convenient
connection of printer
devices.
1
GND
SMB_DATA_MAIN
LAD2
LAD1
GND
S_PWRDWN
#
SERIRQ
#
GND
P
CICLK
P
CIRST
#
LAD3
+3
V
LAD0
+3VS
B
GND
FRAME
SMB_CLK_MAIN
1
AFD#
ERROR#
PINIT#
GND
SLIN#
STB#
SPD0
SPD1
SPD2
SPD3
SPD4
SPD5
SPD6
SPD7
ACK#
BUSY
PE
SLCT