INSTALLATIONS
IB800 User’s Manual
11
Configuring the CPU Frequency
The IB800 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
Summary of Contents for IB800
Page 1: ...IB800 Full Size Socket 478 Pentium 4 Intel 845 CPU Card USER S MANUAL Version 1 0B...
Page 4: ...iv IB800 User s Manual This page is intentionally left blank...
Page 8: ...INTRODUCTION 4 IB800 User s Manual Board Dimensions...
Page 76: ...APPENDIX 72 IB800 User s Manual This page is intentionally left blank...