Aplex-technology AHM-6057A Manual do Utilizador descarregar pdf (Página 25)

AHM-6XX7A User Manual

2.3 Onboard Jumpers and Port Pin outs

1. JVCCIO (2.0MM 1X3) PCI-104 port voltage selection jumper: select voltage for

PCI-104+ device

JVCCIO

PCI-104 VCCIO

Voltage

1-2

+3.3V (default)

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) Ext. Battery port: a 3.3V battery is embedded to provide power for

CMOS.

PIN#

Signal

Name

PIN1

VBAT

PIN2

Ground

4.COM2-COM6 (2.0MM 2X5) COM2~COM6 port: up to 5 standard RS232 ports are

provided. They can be used directly via COM adapter cable connection.

Signal

Pin#

Signal

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 88 89

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