Introduction; Jumpers Setting; Cmos -Clear Cmos Data Jumper - JHCTech BRAV-7520 User Manual

2.1 Introduction

The following sections show jumpers settings and the external connectors and pin assignments for
applications.

2.2 Jumpers setting

The BRAV-7520/BRAV-7521 Box Computer has a number of jumpers that allows you to configure your
system to suit your application. The table below shows the function of each of the board's Jumpers:
Jumpers
Jumpers
CLEAR/CMOS
AT/ATX

2.2.1 CMOS -Clear CMOS Data jumper

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. Set CMOS pins 2 and 3 to On. Wait for a few seconds and set CMOS back to its default setting,
pins 1 and 2 On.
3. Now plug the power cord and power-on the system.
Clear CMOS Data Setting
Set Power-on mode at AT or ATX
Name
Figure 2. 1
12
User's Manual
Description
Jumper
Jumper