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MIC-770 V2 User Manual
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2.3.1.1
COM Connector
MIC-770 V2 provides two 9-pin D-sub connectors, offer RS-232/422/485 serial com
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municate interface ports. Default setting is ES-232, but this can be modified by BIOS
setting. You can find detailed setting methods in Chapter 3.
Note!
Can expand four more RS-232 via optional cables.
Table 2.2: COM Connector Pin Assignments
RS-232
RS-422
RS-485
Pin
Signal Name
Signal Name
Signal Name
1
DCD
Tx-
DATA-
2
RxD
Tx+
DATA+
3
TxD
Rx+
NC
4
DTR
Rx-
NC
5
GND
GND
GND
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
Note!
NC represents “No Connection”.
Summary of Contents for MIC-770 V2
Page 10: ...MIC 770 V2 User Manual x ...
Page 15: ...Chapter 1 1 General Introduction This chapter gives background information on MIC 770 V2 ...
Page 22: ...MIC 770 V2 User Manual 8 ...
Page 38: ...MIC 770 V2 User Manual 24 2 4 7 MIC 770 V2 MB I O Connector ...
Page 39: ...Chapter 3 3 BIOS Operation ...
Page 64: ...MIC 770 V2 User Manual 50 ...
Page 87: ...Chapter 4 4 Software Installation This chapter introduces driver installation ...
Page 89: ...Chapter 5 5 Integrated Graphic Device Setup ...
Page 91: ...Chapter 6 6 Intel ME ...
Page 93: ...Chapter 7 7 LAN Configuration ...
Page 95: ...Chapter 8 8 SATA RAID Setup ...
Page 97: ...Chapter 9 9 HD Audio ...
Page 99: ...Appendix A A Programming the Watchdog Timer ...
Page 107: ...Appendix B B Programming the GPIO ...