Standard Cmos Setup - Advantech PCA-6184VE User Manual

3.3 Standard CMOS Setup

Choose the "Standard CMOS Features" option from the "Initial Setup
Screen" menu, and the screen below will be displayed. This menu allows
users to configure system components such as date, time, hard disk drive,
floppy drive, display, and memory.
3.3.1 CMOS RAM backup
The CMOS RAM is powered by an onboard button cell battery.
When BIOS CMOS Setup has been completed, CMOS RAM data is auto-
matically backed up to Flash ROM. If conditions in a harsh industrial
enviroment cause a soft error, BIOS will recheck the data and automati-
cally restore the original data for booting.
Note:
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Figure 3.2: Standard CMOS features screen
If you intend to update CMOS RAM data, you
have to click on "DEL" within two seconds of the
"CMOS checksum error...." display screen mes-
sage appearing. Then enter the "Setup" screen
to modify the data. If the "CMOS checksum
error...." message appears again and again,
please check to see if you need to replace the
battery in your system.
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