March Products 120 III (PC620) user manual Jumpers & Jumper Setting

User Manual version 2503

4.1.4.Jumpers & Jumper Setting

The table below lists the function of each jumper. The related jumper settings are shown in the coming sections.

Jumper	Description
JP2	DOC Address Selection
JP5	LCD Interface Select
JP9	Clear CMOS
JP11	AT/ATX power selection

4.1.4.1.DOC 2000 Address Setting (JP2)

1-2 D000

3-4 D800

4.1.4.2.LCD Interface Select (JP5)

The PC620 provides two LCD connectors, one LVDS and the other TTL. The LCD mode is selected via Jumper setting.

1-2	LVDS Interface
2-3	TTL Level Interface

4.1.4.3.Clear CMOS (JP9)

1-2 Normal

2-3 Clear CMOS

4.1.4.4.AT/ATX power selection (JP11)

1-2 ATX Power Function

2-3 AT Power Function

4-52 LIBRA 120 III (PC620 Intel 815E)

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