American Megatrends MegaDual User Manual page 27

Step 9 Connect I/O,
J3B (S1) SER1
J3B (S2) SER2 J3B (S1) and J3B (S2) are 9-pin connectors that provide an AT-compatible serial port
interface. The serial port base I/O port address and other serial port settings can be
configured through the Advanced menu (Port Configuration subscreen) in AMIBIOS®
Setup.
The pinout for J3B (S1) and J3B (S2) is shown below.
Pin
1
2
3
4
5
Continued
Signal Description Pin
Carrier Detect 6
Receive Data 7
Transmit Data 8
Data Terminal Ready 9
Ground 10
Chapter 1 Hardware Installation
Signal Description
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
CUT PIN
Cont'd
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