Socket Mobile IB810 user manual Configuring the CPU Frequency, JP1 DiskOnChip Address Select

INSTALLATIONS

Configuring the CPU Frequency

The IB810 CPU card does not provide DIP switches to configure the processor speed (CPU frequency). However, the processor speed can be automatically detected by the system.

JP1: DiskOnChip Address Select

JP1 Address

D0000-D7FFF

D8000-DFFFF (default)

JP2, JP3, JP4: RS232/422/485 (COM2) Selection COM1 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	RS-422	RS-485
Function
	JP2:	JP2:	JP2:
Jumper	1-2	3-4	5-6
Setting	JP3:	JP3:	JP3:
(pin closed)	3-5 & 4-6	1-3 & 2-4	1-3 & 2-4
	JP4:	JP4:	JP4:
	3-5 & 4-6	1-3 & 2-4	1-3 & 2-4

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