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INSTALLATIONS
20
MI912 User’s Manual
F_USB1: USB0/USB1 Connector
Signal Name Pin Pin Signal Name
Vcc
1
2
Vcc
D0-
3
4
D1-
D0+
5
6
D1+
Ground
7
8
Ground
NC
9
10
Ground
JP1, JP2, JP3: RS232/422/485 (COM2) Selection
COM1 is fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM2 selection.
COM2
Function
RS-232
RS-422
RS-485
Jumper
Setting
(pin closed)
JP3:
1-2
JP2:
3-5 & 4-6
JP1:
3-5 & 4-6
JP3:
3-4
JP2:
1-3 & 2-4
JP1:
1-3 & 2-4
JP3:
5-6
JP2:
1-3 & 2-4
JP1:
1-3 & 2-4
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin #
Signal Name
RS-232
R2-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
RTS-
NC
7
RTS
RTS+
NC
8
CTS
CTS+
NC
9
RI
CTS-
NC
10
NC
NC
NC
Summary of Contents for MI912
Page 1: ...MI912 Intel CoreTM 2 Duo Celeron GME965 Mini ITX Motherboard USER S MANUAL Version 1 0A...
Page 4: ...iv MI912 User s Manual This page is intentionally left blank...
Page 8: ...INTRODUCTION 4 MI912 User s Manual Board Dimensions...
Page 17: ...INSTALLATIONS MI912 User s Manual 13 Connector Locations on MI912...
Page 18: ...INSTALLATIONS 14 MI912 User s Manual MI912 Solder Side...
Page 52: ...BIOS SETUP 48 MI912 User s Manual This page is intentionally left blank...
Page 62: ...DRIVERS INSTALLATION 58 MI912 User s Manual This page is intentionally left blank...