How To Install The Main Logic Board - Sun Microsystems Enterprise 250 Owner's Manual

How to Install the Main Logic Board

Caution – This procedure must be performed by a qualified service-trained
maintenance provider. Persons who remove any of the outer panels to access this
equipment must observe all safety precautions and comply with skill level
requirements, certification, and all applicable local and national laws.
Before You Begin
You must remove all removable components from the old main logic board so that
you can transfer them to the replacement board. For more information, see:
"How to Remove the Main Logic Board" on page 72
Note – Be sure to remove the NVRAM/TOD module from the old main logic board
so that you can transfer it to the replacement board.
What to Do
1. Remove the main logic board from its antistatic packaging and place it on an
antistatic mat.
Retain the packaging and use it to pack and return the defective board.
2. Set the jumpers on the replacement main logic board so that they are the same as
the settings on the old board.
See "About the Main Logic Board Jumpers" on page 62 for more information about
jumper locations and settings.
74 Sun Enterprise 250 Server Owner's Guide • June 1998