Specifications

CPU Heatsink with
Fan
The system CPU is protected by a thermal heat sink and fan combination.
The heatsink with fan may be replaced as necessary.
Tools Required: None
Procedure: Locate and remove the CPU heatsink and fan assembly (location 1, Fig
-
ure 7-10).
Replacement is the opposite of removal.
Lithium Battery The system battery should be replaced every three years, or as necessary.
Tools Required: None
Procedure: Prior to replacing the CPU battery, it is important to copy all the hard
drive files to floppy disks for temporary storage. Generally, one
1.44 MByte floppy disk will be sufficient.
Use the following procedure to copy all the files from the internal hard
drive. An external keyboard connected to the MS462XX will make the
procedure easier:
1. To view the contents of the internal SRAM disk, press the Utility key,
then select:
GENERAL DISK UTILITIES
DISPLAY DIRECTORY
Note if there is any sub-directory.
2. Press the COMMAND LINE soft key.
3. Insert a blank formatted floppy disk into the MS462XX floppy drive.
4. Use the external keyboard to type:
COPY C:\*.* A:
5. Press the Enter key on the external keyboard to execute the copy
command.
6. If there is sub-directory on the SRAM disk, type:
CD C:\directory name
7. Repeat Steps 4 and 5 to copy the files in the sub-directory.
REMOVAL AND REPLACEMENT CPU ASSEMBLY
MS462XX MM 7-15