C a r r i e r B o a r d
E C B - 9 0 1 A
Quick Installation Guide
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3.
List of Jumpers
The board has a number of jumpers that allow you to configure your system to
suit your application.
The table below shows the function of each of the board's jumpers:
Jumpers
Label
Function
JP1
DOC Address selection
JP2
Compact flash master-slave selection
JP3
ATA cable detection or SPDIAG#
JP5
CMOS Clear
JP6
AT and ATX type power supply selection
JP7
WDT Reset, IOCHCK# selection
JP8
External-internal speaker selection
JP9
LCD Power Selection
JP10
Backlight Power selection
JP11
COM2 RS-232/422/485 Select
JP12
COM2 RS-232/422/485 Select
JP13
COM2 Ring/+5V/+12V Select
JP16
ETX-4 Pin D90 Selection
JP17
ETX-4 Pin D19 Selection
JP18
ETX-4 Pin D35 Selection
JP19
ETX-1 Pin A21 Selection
JP20
ETX-4 Pin D9 Selection
JP21
ETX-4 Pin D26 Selection
JP22
ETX-4 Pin D41 Selection
JP23
Fan Power Selection