User manual
Table Of Contents
- Chapter 1 Introduction

Q1900M / D1800M
15
English
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.5, No. 5)
Please connect the chassis
speaker to this header.
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.5, No. 4)
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
CPU Fan Connectors
(3-pin CPU_FAN1)
(see p.5, No. 1)
Please connect the CPU
fan cable to the connector
and match the black wire
to the ground pin.
ATX Power Connector
(24-pin ATXPWR1)
(see p.5, No. 3)
is motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
Chassis Intrusion Header
(2-pin CI1)
(see p.5, No. 16)
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. 14)
is connector supports Trusted
Platform Module (TPM) system,
which can securely store keys,
digital certicates, passwords,
and data. A TPM system also
helps enhance network security,
protects digital identities, and
ensures platform integrity.
12
1
24
13
1
GND
SMB_DATA_MAIN
LAD2
LAD1
GND
S_PWRDWN#
SERIRQ#
GND
PCICLK
PCIRST#
LAD3
+3V
LAD0
+3VSB
GND
FRAME
SMB_CLK_MAIN
GND
FAN_VOLTAGE
FAN_SPEED
GND
FAN_VOLTAGE
FAN_SPEED