ASROCK Q1900B-ITX - Page 19

Q1900B-ITX
/
D1800B-ITX
14 15
English
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.7, No. 6)
Please connect the chassis
speaker to this header.
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.7, No. 11)
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.7, No. 2)
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.7, No. 4)
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.7, 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.7, No. 1)
is connector supports Trusted
Platform Module (TPM) system,
which can securely store keys,
digital certicates, passwords,
and data. A TPM system also
helps enhance network security,
protects digital identities, and
ensures platform integrity.
GND
CHA_FAN_SPEED
FAN_VOLTAG
E
12
1
24
13
1
Signal
GND
GND
+12V
CPU_FAN_SPEED
1
LFRAME#_L
CK_33M_TPM
TPM_RST#
LAD3_L
+3V
LAD0_L
+3VSB
GNDF_CLKRUN#
SERIRQ#
S_PWRDWN#
GND
LAD1_L
LAD2_L
SMB_DATA_MAIN
SMB_CLK_MAIN
GND
1
+5V
DUMMY
DUMMY
SPEAKER