Intel MI810 JP1 LCD Panel Power Selection, JP2 ATX/AT Mode Select, Atx / At, COM2, RS-232, RS-422

INSTALLATIONS

JP1: LCD Panel Power Selection

JP1 LCD Panel Power

	3.3V
	5V
JP2: ATX/AT Mode Select
JP2	ATX / AT

ATX mode

AT mode

JP3, JP4, JP5: RS232/422/485 (COM2) Selection COM1/3/4 is fixed for RS-232 use only.

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

The following table describes the jumper settings for COM2 selection.

COM2	RS-232
Function
	JP5:
Jumper	1-2
	JP4:
Setting
(pin closed)	3-5 & 4-6
	JP3:
	3-5 & 4-6

RS-422

JP5:

3-4

JP4:

1-3 & 2-4

JP3:

1-3 & 2-4

RS-485

JP5:

5-6

JP4:

1-3 & 2-4

JP3:

1-3 & 2-4

COM2 is jumper selectable for RS-232, RS-422 and RS-485.

Pin #		Signal Name
	RS-232	R2-422	RS-485
11	DCD	TX-	DATA-
13	RX	TX+	DATA+
15	TX	RX+	NC
17	DTR	RX-	NC
19	Ground	Ground	Ground
12	DSR	RTS-	NC
14	RTS	RTS+	NC
16	CTS	CTS+	NC
18	RI	CTS-	NC
20	NC	NC	NC

10 MI810 User’s Manual