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Chapter 5 Installation
24
MI5VP4 User’s Manual
5.3 J2: USB Connector
J2 is the standard USB external connector consisting of two ports. USB
support allows connections of up to 64 plug and play external peripherals
per channel. The following table shows the pin outs of these ports.
Pin #
Signal Name
1 Vcc
2 USB-
3 USB+
4 Ground
Port 1
Port 2
5.4 J3, J12: Serial Ports
The onboard serial ports are J3, a DB-9 connector which is COM1 and
J12, a 10-pin header connector which is COM2. The following table
shows the pin-out assignments of these connectors.
COM1 COM2
Signal Name
Pin #
Pin #
Signal Name
DCD, Data carrier detect
1
6
DSR, Data set ready
RXD, Receive data
2
7
RTS, Request to send
TXD, Transmit data
3
8
CTS, Clear to send
DTR, Data terminal ready
4
9
RI, Ring indicator
GND, ground
5
10
Not Used
Summary of Contents for MI5VP4
Page 1: ...MI5VP4 MVP4 Micro ATX Motherboard User s Manual Version 1 1...
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Page 26: ...Chapter 5 Installation 22 MI5VP4 User s Manual Figure 3 Connector Location on the MI5VP4...