Biostar TA770 A2 Setup Manual - Page 22
JATXPWR3: Auxiliary Power for Graphics, JCOM1: Serial port Connector
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Motherboard Manual JATXPWR3: Auxiliary Power for Graphics This connector is an auxiliary power connection for graphics cards. Exclusive power for the graphics card provides better graphics performance. Pin Assignment 1 +12V 2 Ground 1 3 Ground 4 VCC 4 JCOM1: Serial port Connector The motherboard has a Serial Port Connector for connecting RS-232 Port. Pin Assignment 1 Carrier detect 2 Received data 3 Transmitted data 4 Data terminal ready 5 Signal ground 6 Data set ready 7 Request to send 8 Clear to send 2 10 9 Ring indicator 10 Key 1 9 20
Motherboard Manual
20
JATXPWR3: Auxiliary Power for Graphics
This connector is an auxiliary power connection for graphics cards. Exclusive
power for the graphics card provides better graphics performance.
Pin
Assignment
1
+12V
2
Ground
3
Ground
4
VCC
1
4
JCOM1: Serial port Connector
The motherboard has a Serial Port Connector for connecting RS-232 Port.
Pin
Assignment
1
Carrier detect
2
Received data
3
Transmitted data
4
Data terminal ready
5
Signal ground
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
10
Key
1
2
9
10