Microprocessors

Microprocessors

The server comes with an Intel® Pentium® II or Pentium® III microprocessor. This microprocessor incorporates MMX™ technology with built-in ECC level-2 (L2) cache.

For the latest information about microprocessor upgrades available for the server, contact your IBM reseller or IBM marketing representative. If you do upgrade the microprocessor, use the instructions that come with the upgrade along with the instructions in 'Installing or replacing microprocessors' (see below).

The voltage regulator function is built into the system board. This feature supports the microprocessor on the system board.

Note: The illustrations in this section might differ slightly from your hardware.

Installing or replacing microprocessors:

This section gives the procedure for installing microprocessors. If you want to remove a microprocessor, reverse the order of the following steps.

Notes:

•  Read Safety Information.
•  Thoroughly review the documentation that comes with the microprocessor,  so that you can determine whether you need to update the server BIOS.  ServerGuide includes IBM Update Connector, which keeps the BIOS and device  drivers current. You can also obtain the latest level of BIOS for the server  through the World Wide Web and the IBM Personal Computer Company Bulletin  Board System (BBS). See Online support  for the appropriate World Wide Web addresses and bulletin board telephone numbers.
•  For a list of supported operating systems, see http://www.ibm.com/netfinity/ on the World Wide Web.
•  Read Accessing the System Board.
•  Locate the Flash Utility Diskette that you created in Remote administration

1.  The microprocessor in the server comes with an attached heat sink.  The microprocessor plugs into the microprocessor socket on the system  board and is stabilized with a plastic bracket attached to the system board.  This bracket is referred to as a goalpost. The type of heat sink in the server  might be different from the heat sink shown in this section.
2.  To locate the microprocessor switch area of the  system board and for information about the appropriate switch settings, see System Board Illustration 8476 / 8477,  or see the label inside the server.

1.  Remove the server side cover  (see Disconnecting Cables and Removing the Side Cover).
2.   Remove the microprocessor:
   1.  Locate the microprocessor socket on the system board. (See System Board Illustration 8476 / 8477).
   2.  Place your index fingers on the small retainer  tabs on the top of the microprocessor. Push in  toward the microprocessor until the tabs release.
       For an illustration see Pentium® (socket 1) - CPU Connector.
   3.  Lift the microprocessor out of the connector.
   4.  Store the old microprocessor in a static-protective package.
   5.  Go to step 3 to install the replacement microprocessor.
3.  Touch the static-protective package that contains the  new microprocessor to any unpainted metal surface in  the server, then, remove the new microprocessor.
4.  Press in on the retainer tabs until they click into place.
   Note: For the location of the retainer tabs, see the illustration in step 2b.

5.  Align the new microprocessor with the microprocessor  connector on the system board and slide it into the  guides. Press the microprocessor down until it snaps  into place and is fully seated in the connector.
6.  Pull outward on the retainer tabs.
7.  If you replace the microprocessor with one that has a  different speed, you must change the switch settings  on the system board. To locate the switches and  for information about the appropriate switch settings, see System Board Illustration 8476 / 8477,  or see the label inside the server side cover.
8.  If you receive the error code 167 after you install a  new microprocessor, run the Flash Utility program.  Insert the Flash Utility Diskette into the primary  diskette drive and run the flash program. Follow the  instructions in the program.
   Note:  If you have not already done so, go to http://www.ibm.com/pc/support/  on the World Wide Web and download the appropriate flash update program.  Review the applicable README files, and use this information to create a  Flash Utility Diskette. Perform the POST/BIOS (flash) update procedure (see Remote administration  for additional information).

9.  Because you installed a new microprocessor in the  server, you must reconfigure the server. Follow the  procedure described in Configuration/Setup utility program menus.  Refer to the operating-system documentation. You might need to make changes  so that the operating system recognizes the new microprocessor.
10.  If you want to install or remove any other options, do so now.  Otherwise, go to Completing the Installation.

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