Chapter 8 Removing and Replacing the Motherboard and Related Components 8-5
Caution – Be sure that you set the jumpers correctly before powering-on the
system. A 550 MHz CPU can not operate if the jumpers are set for 650 MHz. A 650
MHz CPU will operate at 550 MHz if the jumpers are set for 550 MHz.
11. If you removed any PCI cards, replace them.
See Section 8.4.2, “Replacing a PCI Card” on page 8-11.
12. Detach the wrist strap, replace the system cover, and power on the system as
described in Chapter 9.
8.2 NVRAM/TOD
To remove and replace the NVRAM/TOD, proceed as follows.
8.2.1 Removing the NVRAM/TOD
1. Power off the system, remove the system cover, and attach an antistatic wrist strap
as described in Chapter 5.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an antistatic mat. Store ESD-sensitive components in
antistatic bags before placing them on any surface.
2. Remove any PCI cards installed in PCI slots 1 and 3.
See Section 8.4.1, “Removing a PCI Card” on page 8-10.
3. Locate the NVRAM/TOD and carrier on the motherboard (
FIGURE 8-3).
Caution – Do not remove the NVRAM/TOD from the carrier.
4. Grasp the NVRAM/TOD carrier at each end and pull it straight up, gently
wiggling it as necessary.
5. Place the NVRAM/TOD and carrier on an antistatic mat.
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