ASRock 4CoreDX90-VSTA User Manual - Page 22
ATX Power Connector
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ATX Power Connector (20-pin ATXPWR1) (see p.10, No. 3) Please connect an ATX power supply to this connector. ATX 12V Connector (4-pin ATX12V1) (see p.10, No. 2) Serial port Header (9-pin COM1) (see p.10 No..25) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 Please note that it is necessary to connect a power supply with ATX 12V plug to this connector so that it can provides sufficient power. Failing to do so will cause the failure to power up. This COM1 header supports a serial port module. 22
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ATX Power Connector
Please connect an ATX power
(20-pin ATXPWR1)
supply to this connector.
(see
p.10,
No. 3)
ATX 12V Connector
Please note that it is necessary
(4-pin
ATX12V1)
to connect a power supply with
(see
p.10,
No. 2)
ATX 12V plug to this connector
so that it can provides sufficient
power. Failing to do so will cause
the failure to power up.
Serial port Header
This COM1 header
(9-pin COM1)
supports a serial port module.
(see p.10
No..25)
CCT
S
#1
DDSR
#1
DD
T
R
#1
RR
X
D
1
DD
C
D
#1
TTX
D
1
G
N
D
RR
T
S
#1
RR
I#1
1