English
21
Q270 Pro BTC+
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 6)
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.
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 1)
This motherboard pro-
vides an 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
PCIe Power Connectors
(4-pin PCIE_PWR1)
(see p.1, No. 21)
(4-pin PCIE_PWR2)
(see p.1, No. 18)
Please connect these
connectors to the
power supply when
three graphics cards
are installed on this
motherboard. Please refer
to page 23 for PCIe Power
Connector Installation
Guide.
Serial Port Header
(9-pin COM1)
(see p.1, No. 16)
This COM1 header
supports a serial port
module.
TPM Header
(17-pin TPMS1)
(see p.1, No. 15)
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.
12
1
24
13
5
1
8
4
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
1
G
N
D
SM
B_
D
A
TA
_M
A
IN
LA
D
2
LA
D
1
G
N
D
S_
PW
RD
W
N
#
SE
RI
RQ
#
G
N
D
P
C
IC
LK
P
C
IR
ST
#
LA
D
3
+
3
V
LA
D
0
+
3V
S
B
G
N
D
FR
A
M
E
SM
B_
C
LK
_M
A
IN
