Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual page 263

2. Locate the motherboard.
See .
FIGURE 11-42
3. Remove the chassis cross brace and PCI card support.
Note – Do not use the chassis cross brace as a handle.
Refer to "Removing the Chassis Cross Brace" on page
chassis cross brace, the PCI card support falls off.
4. (Optional) If the DIMM cooling duct and rear fan are blocking access to the
motherboard, remove them.
Refer to:
"Removing the DIMM Cooling Duct" on page 13-23
■
"Removing the Rear Fan" on page 13-16
■
5. Position the chassis for component and motherboard removal.
Refer to "Positioning the Chassis" on page 10-16
6. Remove the DIMMs, CPU fan and heat sink assembly, and PCI cards.
Refer to:
"Removing DIMMs" on page 11-3
■
"Removing the CPU Fan and Heat Sink Assembly" on page 11-14
■
"Removing a PCI Card" on page 11-30
■
Set these components onto an antistatic mat.
7. (Optional) If you wish to use the same ethernet address and system ID for the
new motherboard, remove the NVRAM.
Refer to "Removing the NVRAM" on page
mat.
8. Remove the cables from the cable clips.
See .
FIGURE 11-44
Chapter 11 Replacing the Motherboard and Associated Components
13-51. When you remove the
11-26. Set the NVRAM on an antistatic
11-47