Aplex-technology OPC-5127 Uživatelský manuál stáhnout pdf (Strana 22)

OPC-5XX7 User Manual

2.3 Onboard Jumpers and Port Pin outs

1. JVCCIO (2.0MM 1X3) PC104+ port voltage selection jumper: select voltage for

PC104+ device

JVCCIO

PC104+ VCCIO Voltage

CLOSE 1-2

+3.3V (default)

CLOSE 2-3

+5V

2. JCLR_CMOS (2.0MM 1X3) CMOS clear jumper: CMOS clear operation will

permanently reset old BIOS settings to factory defaults.

JCLR_CMOS

CMOS

CLOSE 1-2

NORMAL (default)

CLOSE 2-3

CLEAR CMOS

Procedures of CMOS clear:

1. Turn off the system and unplug the power cord from the power outlet;

2. To clear the CMOS settings, use the jumper cap to close pins 2 and 3 for about 3 seconds

then reinstall the jumper clip back to pins 1 and 2.

3. Power on the system again;

4. When entering the POST screen, press the <DEL> key to enter CMOS Setup Utility to load

optimal defaults;

5. After the above operations, save changes and exit BIOS Setup.

3. BAT (1.25.0MM 1X2) Battery port: a 3.3V battery is embedded to provide power for

CMOS.

PIN#

Signal Name

PIN1

VBAT

PIN2

Ground

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 90 91

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Aplex-technology OPC-5127 Uživatelský manuál Strana 22