System Board Assembly - Dell Inspiron 3800 System Reference Manual

Power Sources: Dell Inspiron 3800 System Reference
Replacing the Modem Assembly
1. Press the RJ11 connector of the modem assembly into the hole in the bottom case assembly.
2. Carefully align and press the modem into the system board connector.
3. Replace the internal modem 10-mm screw and washer (see

System Board Assembly

The system board's basic input/output system (BIOS) chip contains the system service tag number, which is also visible on
a bar-code label on the bottom of the computer. The replacement kit for the system board assembly includes a diskette that
provides a utility for transferring the service tag number to the replacement system board assembly.
To remove the system board assembly, perform the following steps.
NOTICE: To avoid damaging the system board, remove the power cable, the battery, and the second battery (if
installed) before you service the computer.
1. Remove the main battery.
2. Remove the device from the media bay.
3. Remove the keyboard
4. Remove the display
5. Remove the palmrest
6. Remove the microprocessor
7. Remove any PC Cards or plastic blanks from the PC Card slot.
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assembly.
assembly.
assembly.
module.
1 Modem
2 Case plug for modem
3 System board connector
for modem
Figure 22).