Sun Microsystems Ultra 5, Руководство по обслуживанию

Страница: 150 / 258

8-4 Sun Ultra 5 Service Manual • February 2000
2. Replace any PCI card(s) removed from slots 1 and 3.
See Section 8.4.2 “Replacing a PCI Card” on page 8-11.
Note –
If you upgrade with a replacement CPU module that is faster than 420 MHz,
and the system is using either the Solaris 2.5.1 or 2.6 operating environments,
software patches are required for those Solaris releases to run at the faster CPU
speed. You can order the software patch CDs using part number 704-6657 (for
Solaris 2.5.1) or 704-6658 (for Solaris 2.6). Refer to the patch installation instructions
in the CD-insert document included with the CDs.
3. Detach the wrist strap, replace the system cover, and power on the system as
decribed in Chapter 10.
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 ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
2. Remove the NVRAM/TOD as follows (
FIGURE 8-2
):
a. Remove any PCI cards installed in PCI slots 1 and 3.
See Section 8.4.1 “Removing a PCI Card” on page 8-9.
b. Locate the NVRAM/TOD and carrier on the motherboard.
c. Grasp the NVRAM/TOD carrier at each end and pull it straight up, gently
wiggling it as necessary.
3. Place the NVRAM/TOD and carrier on an antistatic mat.