Upgrading The Main Logic Board; Removing The Old Main Logic Board; Main Logic Board Jumpers - Sun Microsystems Ultra Enterprise 450 Upgrade Manual

Upgrading the Main Logic Board

For the procedures that follow in this section, use the sections in the Ultra
Enterprise 450 Server Owner's Guide. Be sure to read all the information that precedes
the steps and follow any procedures noted there in the Ultra Enterprise 450 Server
Owner's Guide.
You should also have on hand the documentation supplied with any third-party
devices that you installed in your server's main logic board. You will need to refer to
that documentation to perform some of the procedures during this upgrade.
The following sections cover the main steps involved in the main logic board
upgrade procedure:
"Removing the Old Main Logic Board" on page 5
"Main Logic Board Jumpers" on page 5
"Installing the New Main Logic Board" on page 6
"About UltraSPARC II CPU Modules" on page 8
"Installing the CPU Module" on page 9
"Installing the Remaining Main Logic Board Components" on page 10
Be sure to read each section in its entirety, and any necessary information in the
Ultra Enterprise 450 Server Owner's Guide to upgrade the main logic board.

Removing the Old Main Logic Board

Remove the old main logic board using the steps in the section "How to Remove
the Main Logic Board" in the Ultra Enterprise 450 Server Owner's Guide.
Remove and clearly label the old NVRAM module, if you plan to transfer it to the
new main logic board.

Main Logic Board Jumpers

The following information supersedes the information presented in the
Ultra Enterprise 450 Server Owner's Guide concerning main logic board jumpers:
The clock mode select jumper (J2701) is now used on the Ultra Enterprise 450
server main logic board.
Ultra Enterprise 450 Server Board Upgrade Guide 5