User`s manual

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INSTALLATIONS

JP1, JP2, JP3: RS232/422/485 (COM2) Selection

COM2 is selectable for RS232, RS-422 and RS-485.

COM2

Function

RS-232 RS-422 RS-485

Jumper

Setting

(pin closed)

JP1:

1-2

JP2:

3-5 & 4-6

JP3:

3-5 & 4-6

JP1:

3-4

JP2:

1-3 & 2-4

JP3:

1-3 & 2-4

JP1:

5-6

JP2:

1-3 & 2-4

JP3:

1-3 & 2-4

JP6: Clear CMOS Contents

Use JP6, a 3-pin header, to clear the CMOS contents.

Note that the ATX-power connector should be disconnected from the

motherboard before clearing CMOS.

JP6 Setting Function

Pin 1-2

Short/Closed

Normal

Pin 2-3

Short/Closed

Clear CMOS

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MI941 User’s Manual