Socket-mobile Pentium 4 Full Size PICMG CPU Card IB810 Manual do Utilizador descarregar pdf (Página 15)

INSTALLATIONS

IB810 User’s Manual 11

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

Function

RS-232 RS-422 RS-485

Jumper

Setting

(pin closed)

JP2:

1-2

JP3:

3-5 & 4-6

JP4:

3-5 & 4-6

JP2:

3-4

JP3:

1-3 & 2-4

JP4:

1-3 & 2-4

JP2:

5-6

JP3:

1-3 & 2-4

JP4:

1-3 & 2-4

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 77 78

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Socket-mobile Pentium 4 Full Size PICMG CPU Card IB810 Manual do Utilizador Página 15