ASROCK Q1900B-ITX, Instruction

Page: 17 / 128

Q1900B-ITX
/
D1800B-ITX
14 15
English
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.1, No. 6) Please connect the chassis
speaker to this header.
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.1, 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.1, 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.1, No. 4) This 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.1, No. 12) 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.
TPM Header
(17-pin TPMS1)
(see p.1, No. 1) 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.
GND
CHA_FAN_SPEED
FAN_VOLTAGE
12
1
24
13
1
Signal
GND
GND
+12V
CPU_FAN_SPEED
1
L
F
R
A
M
E
#
_
L
C
K
_
3
3
M
_
T
P
M
T
P
M
_
R
S
T
#
L
A
D
3
_
L
+
3
V
L
A
D
0
_
L
+
3
V
S
B
G
N
D
F
_
C
L
K
R
U
N
#
S
E
R
IR
Q
#
S
_
P
W
R
D
W
N
#
G
N
D
L
A
D
1
_
L
L
A
D
2
_
L
S
M
B
_
D
A
T
A
_
M
A
IN
S
M
B
_
C
L
K
_
M
A
IN
G
N
D
1
+5V
DUMMY
DUMMY
SPEAKER