Advantech PCM-4153, User Manual

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PCM-4153 User Manual 6
2.1 Jumpers
The PCM-4153 has a number of jumpers that allow you to configure your system to
suit your application. The table below lists the functions of the various jumpers.
Table 2.1: Jumper/Switch Setting:
J2 DOTREF Select
J3 Clear CMOS
J4 Flash Master/Slave select
J5 PCI VI/O Power Selector
CN39 COM2 Setting
J2 DOTREF Select
Setting Function
(1-2) External
NL Internal
J3 Clear CMOS
Setting Function
(1-2) BAT (default)
NL Clear-CMOS
CN39 COM2 Setting
Setting Function
(1-2) RS232 (default)
(3-4) RS485
(5-6) RS422
J4 Flash Master/Slave select
Setting Function
(1-2) Slave (default)
(2-3) Master