CJB CJ ISA-E5, User Manual, Page: 20 / 90

12 ISA-E5 User`s Manual
JP1, JP2: COM Power Selection
JP1, JP2 can be used to select the COM supply power: +5V,Ring-IN or
+12V.
JP1: COM2 Pin9 power or Ring-IN
JP2: COM1 pin9 power or Ring-IN
+5V RI +12V
JP3: Clear CMOS RAM Data
This 3-pin Jumper allows the user to disconnect the built-in 3V battery
power to clear the information stored in the CMOS RAM. To clear the
CMOS data: (1) Turn off the system power, (2) Remove Jumper cap
from pin1&2, (3) Short the pin2 and pin3 for three seconds, (4) Put
Jumper cap back to pin1 & 2. (5) Turn on your computer, (6) Hold
Down <Delete> during boot up and enter BIOS setup to enter your
preferences.
JP3 Setting Function
Pin 1-2
Short/Closed
Normal Operation
(default)
Pin 2-3
Short/Closed
Clear CMOS
Content
JP4: LCD PANEL Power Selection
JP4 can be used to select the Panel LCD supply power: +3.3V or
+5V.The default setting is on +3.3V.User need to check the LCD panel
spec and adjust this jumper to make Panel work in specified power rail.
+3.3V +5V