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Chapter 10 Motherboard and Component Replacement 10-19
c. At the two upper corners of the card, push the card straight down into the slot
until the card is fully seated.
d. Using a Phillips-head screwdriver, replace the screw securing the audio module
to the system unit chassis.
e. Replace the UPA graphics card(s).
See Section 10.4.2, “Replacing the UPA Graphics Card” on page 10-11.
2. Connect the AC power cord.
3. Detach the wrist strap.
4. Replace the side access cover.
See Section 7.3, “Replacing the Side Access Cover” on page 7-4.
5. Connect any audio cables to the audio module.
6. Power on the system unit.
See Section 6.1, “Powering On the System Unit” on page 6-2.
10.7 Motherboard
To remove and replace the motherboard, proceed as follows.
Caution – Use an antistatic mat when working with the motherboard. An antistatic
mat contains the cushioning needed to protect the underside components, to prevent
motherboard flexing, and to provide antistatic protection.
Note – If the motherboard is being replaced, remove all DIMMs, UPA graphics
cards, PCI card(s), audio card, and CPU module prior to removing the motherboard.
Note the chassis slot location for each DIMM, UPA graphics card, and PCI card prior
to removal.
Note – The NVRAM/TOD contains the system host identification (ID) and Ethernet
address. If the same ID and Ethernet address are to be used on the replacement
motherboard, remove the NVRAM/TOD from the motherboard and install the
removed NVRAM/TOD on the replacement motherboard after motherboard
installation.