R
EPLACING
PARTS
71
Clearing the CMOS
Clear the CMOS after installing a new motherboard, CPU, DIMM, or DVD drive to ensure
compatibility between the new component and previous settings stored in the BIOS.
T
O
CLEAR
THE
CMOS
1 Shut down, and then open the E-42 (see pages
and
).
Make sure to remove the printer interface cable from the power outlet before opening the
E-42 and clearing the CMOS.
2 Remove the battery (see
3 Wait two minutes to allow the motherboard electrical components to fully discharge.
4 Reinstall the battery (see
).
5 Reassemble the E-42 and verify its functionality (see
).
6 Reset the time and date in Setup (see Configure Help for more information).
Failure to configure the time and date will cause the E-42 to hang when user software is being
installed on the E-42 (see
).
Jumpers
Jumper configurations should not be changed.
Jumper
Description
J4
J4 is the Clear CMOS and Password jumper.
Default configuration: jumper cap installed on pins 2 and 3.
N
OTE
:
Because J4 is not easily accessed on the motherboard and the
jumper cap is very small, it is not necessary—and could introduce an
error—to remove the jumper cap in order to clear the CMOS settings.
Instead, clear the CMOS by denying power to the motherboard, as
described earlier.
Pin 1
