NEC EXPRESS 5800 ES1400 SERIES Online, Online Service Manual

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4-8 Upgrading Your System
Replacing the Pentium II Processor
This subsection provides the procedure for upgrading the Pentium II Processor in your
system. The Pentium II processor is packaged as a Single Edge Connector Cartridge
(SECC), packaged as a Single Edge Processor Package (SEPP), or packaged as a Single
Edge Connector Cartridge Version 2 (SECC2).
The SECC packaged cartridge includes:
n
processor core with an integrated 16 KB primary (L1) cache
n
secondary (L2) cache
n
thermal plate
n
back cover.
The SEPP packaged board includes:
n
processor core with an integrated 16 KB primary (L1) cache
n
secondary (L2) cache.
The SECC2 packaged cartridge includes:
n
processor core with an integrated 16 KB primary (L1) cache
n
secondary (L2) cache.
n
back cover.
CAUTION
Electrostatic discharge (ESD) can damage components; place them
on an antistatic surface. Modify the system board using an antistatic
wrist strap attached to chassis ground.
WARNING
If the system has been running, any processor and heat sink already
installed on the board will be hot. To avoid the possibility of a burn,
let the components cool for 10 minutes before continuing with the
procedures described here