User`s manual
Table Of Contents
- About this Manual
- Warranty
- Static Electricity Precautions
- Safety Measures
- About the Package
- Before Using the System Board
- Chapter 1 - Introduction
- Chapter 2 - Hardware Installation
- Chapter 3 - BIOS Setup
- Chapter 4 - Supported Software
- Appendix A - Enabling Hyper-Threading Technology
- Appendix B - Watchdog Timer
- Appendix C - System Error Message
- Appendix D - Troubleshooting
30
2
Hardware Installation
COM 2 is an RS-232 port. If the serial device connected to this
port requires 5V/12V power from the system board, set JP4 pins 3-
5 and 4-6 to On. Otherwise, leave this jumper’s setting at 1-3, 2-4
On.
The table below list the pin assignment of JP4.
COM 2 RS232/AUX Select
1
3
5
MRI2-
X_MRI2-
Vcc
2
4
6
MDCD2-
X_MDCD2-
+12V
X
JP4
3-5 (5V),
4-6 (12V) On:
Auxiliary power
1-3, 2-4 On:
RS232
(default)
3
1
4
5
2
6
3
1
4
5
2
6