MilDef Crete Inc. DR786EX User Manual
Components and Operations
11
RTC
Battery backed up RTC (Real Time Clock/Calendar) is a built-in CMOS
(Complementary Metal Oxide Semiconductor) chip on-board. The RTC keeps
track of the time and date while the computer is off. The CMOS chip also stores
system setup information.
RTC battery is also recharged when AC adapter is attached.
(Complementary Metal Oxide Semiconductor) chip on-board. The RTC keeps
track of the time and date while the computer is off. The CMOS chip also stores
system setup information.
RTC battery is also recharged when AC adapter is attached.
Tips: When computer is not used for longer period, recharge it at least once per
month to ensure RTC operation.
Safe Guard the Computer
Plug the Kensington lock into the slot near HDD and turn lock it. Both the
computer and HDD are secured.
computer and HDD are secured.
Kensington lock is a widely available 3
rd
party product.
Replacing Modules
Caution! Turn OFF the power before replacing any module.
To remove the modules:
1. Turn OFF the computer.
(“Hibernate” or “suspend to disk” are not recommended as the parameters
may change when modules are changed)
may change when modules are changed)
2. Disconnect all cables from the computer.
3. Use a coin to turn loose the screws on the modules.
4. Remove the battery from the compartment.
5. Remove the HDD from the computer.