em
PC
-
A500 (
Hardware Manual
)
•
Installation
2 - 13
Rev. 1.0
©
Janz Tec AG
On all systems power must be turned off before removing or inserting the compact flash
card. When installing the Compact Flash Card, precautions against electrostatic discharge
(ESD) must be taken.
2.4 Battery
replacement
The battery is needed for keeping the RTC alive. The installed battery is a CR1632 button cell with 3V
and 125mAh. In normal cases the battery must not be replaced within 10 years. To replace the battery
the housing must be opened by removing the four screws at the front.
Explosion risk in case of improper replacement of the battery. Disposal of used batteries
according to local regulations. Replace only with the same or equivalent type. When
installing the battery, precautions against electrostatic discharge (ESD) must be taken.
2.5 Software
installation
The boot Flash contains the u-boot boot loader software. This software can read operating system
images from boot Flash or from Compact Flash and start them. U-boot configuration can be saved
non-volatile in the EEPROM. For updating the u-boot loader see the
System Reference Manual for
A500-Platforms
.
Contact Janz Tec for more information about the available software packages.
Summary of Contents for emPC-A500
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