Lenovo PC 300GL Installing Options in your PC - 6892, 6285 - Page 36

Replacing a Microprocessor - bios update

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Replacing a Microprocessor Your computer comes with an Intel® Pentium®II microprocessor installed on the system board. For the latest information on microprocessor upgrades available for your computer, 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 this publication. Note: Upgrading a microprocessor may require a BIOS update. After replacing or upgrading your processor, you may get a '167' POST error code. If you get this error, you must run the flash utility again. Refer to the BIOS update procedure. CAUTION: The microprocessor and heat sink will be hot if the computer has been running. To avoid the possibility of a burn, if the computer has been on, let the microprocessor and heat sink cool for 10 minutes before continuing with the procedure. Before you begin Read "Electrical Safety" on page 4 and "Handling Static-Sensitive Devices" on page 5. Read the instructions that come with the optional device. Turn off the computer and all other connected devices. Disconnect all cables attached to the computer. Obtain a copy of the flash utility on diskette. Attention: The presence of 5 V standby power might result in damage to your hardware unless you disconnect the power cord from the wall before opening the computer cover. Remove the computer cover (see "Disconnecting Cables and Removing the Cover" on page 6), and lay the computer on its side. 22 Installing Options in Your Personal Computer

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Replacing a Microprocessor
Your computer comes with an Intel
Pentium
II microprocessor installed on the
system board.
For the latest information on microprocessor upgrades available for your computer,
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 this publication.
Note:
Upgrading a microprocessor may require a BIOS update.
After replacing or
upgrading your processor, you may get a '167' POST error code.
If you get
this error, you must run the flash utility again.
Refer to the BIOS update
procedure.
CAUTION:
The microprocessor and heat sink will be hot if the computer has been running.
To avoid the possibility of a burn, if the computer has been on, let the
microprocessor and heat sink cool for 10 minutes before continuing with the
procedure.
Before you begin
±
Read “Electrical Safety” on page
4 and “Handling Static-Sensitive Devices”
on page
5.
±
Read the instructions that come with the optional device.
±
Turn off the computer and all other connected devices.
±
Disconnect all cables attached to the computer.
±
Obtain a copy of the flash utility on diskette.
Attention:
The presence of 5 V standby power might result in damage to
your hardware unless you disconnect the power cord from the wall before
opening the computer cover.
±
Remove the computer cover (see “Disconnecting Cables and Removing the
Cover” on page
6), and lay the computer on its side.
22
Installing Options in Your Personal Computer