Jumpers; Table 2-1: Jumpers - Advantech PCM-5864 User Manual

2.1 Jumpers

The PCM-5864/E/L has a number of jumpers that allow you to
configure your system to suit your application. The table below
lists the function of each of the board's jumpers.
Table 2-1:
Label
J3
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
J17
J18
J19
J20
J21
J22
J23
J25
JP1
JP2
10 PCM-5864/E/L User's Manual
Jumpers
Function
CPU voltage setting
CPU frequency ratio setting
Reserved
Clear CMOS
Backlight signal select
System/PCI clock setting
PCI clock setting
COM4 RI pin setting
COM3 RI pin setting
CompactFlash enable/disable
COM1 RI pin setting
COM2 RI pin setting
LCD power select
Reserved
Buzzer enable setting
COM2 RS-232/422/485 setting
COM2 RS-232/422/485 setting
COM2 RS-232/422/485 setting
Shift clock setting
Audio power source setting (PCM-5864/E)
TV out format (PCM-5864)
ATX power switch (soft power connector)
Watchdog timer action