JHCTech SIGM-3250 Series, User Manual

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User’s Manual
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2.1 Introduction
The following sections show the internal switch settings and the external connectors and pin assignments
for applications.
2.2 Switches
The SIGM-3250 box computer has a number of switches inside the chassis that allows you to configure
your system to suit your application. The table below shows the function of each of the board’s switches:
Switcher Name Description
CLEAR/CMOS Clear CMOS Data Setting 3-Pin switch
AT/ATX Set Power-on mode at AT or ATX 3-Pin switch
ACC/Family Mode selector switch 3-Pin switch
2.2.1 CLEAR/COMS -Clear CMOS Data
Picture 2.1: CLEAR/COMS
If you encounter the followings
a) CMOS data becomes corrupted.
b) You forget the supervisor or user password.
You can reconfigure the system with the default values stored in the ROM BIOS.
To load the default values stored in the ROM BIOS, please follow the steps below.
1. Power-off the system and unplug the power cord.
2. Dial the dip switch to CLEAR mode, stay for 5~6 seconds, and then revert to CMOS mode;
4. Power-On the computer, press the Del key to enter the BIOS setting and reload the optimal default value;
5. Save and exit the Settings.