Service manual

4. DISASSEMBLY AND ASSEMBLY

4.10 Service Manual CNS-9701

Replacing the Lithium

Battery on the

Motherboard

After removing the motherboard from the main unit according to the “Replacing

the Motherboard” section, replace the lithium battery with a new one.

CR-2032 Lithium Battery (3 V): 372321A

This battery allows the memory for the BIOS setting to keep the setting data and

allows the real time clock IC to update the date and time while the main unit is

turned off.

If the battery is used up and the main unit is completely turned off with the main

power switch set to off or with the power cord disconnected, the BIOS setting data

in the memory is lost and the date and time are reset to the initial condition. To

recover the BIOS initial setting data, refer to “How to Recover the BIOS Initial

Setting” in Section 2.

Replacing the Internal

Memory

After removing the motherboard from the main unit according to the “Replacing

the Motherboard” section, replace the internal memory with a new one. Refer to

step 11 of the “Replacing the Motherboard” section.

About the internal memory of the Vorax5001 main unit, the following procedure is

required after the replacement.

1. Put the motherboard back to the original position and check that the main

power switch on the rear panel of the main unit is set to off and the power

supply cable is not connected to the motherboard.

2. Remove the JP14 jumper attached to pins 1 and 2 on the motherboard.

Replacing the CPU

After removing the motherboard from the main unit according to the “Replacing

the Motherboard” section, replace the CPU with a new one. Refer to <Vorax5000>

steps 12 to 15 or <Vorax5001> steps 12 to 14 of the “Replacing the Motherboard”

section.

3. Attach the JP14 jumper to pins 2 and 3 on the motherboard. Wait approx. 30

seconds to initialize the BIOS settings.

CPU

I/O ports

NORMAL

CLEAR

Motherboard for Vorax5001