Advantech PPC-57 Series, Manual

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Chapter 4 The Engine of the PPC-57 (PCM-3866) 39
Warning! Always completely disconnect the power cord
from your board whenever you are working on it.
Do not make connections while the power is on,
because sensitive electronic components can be
damaged by a sudden rush of power.
Caution! Always ground yourself to remove any static
charge before touching the board. Modern
electronic devices are very sensitive to static
electric charges. Use a grounding wrist strap at
all times. Place all electronic components on a
static-dissipative surface or in a static-shielded
bag when they are not in the chassis.
CMOS setup (J1)
CMOS setup
*3.6 V Battery on Clear CMOS
J1 1-2 2-3
* default setting
LCD display setup (J3)
LCD display setup
5 V LCD module 3 V LCD module
J3 1-2 2-3