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Processors - NEC EXPRESS5800/140Hb Service Manual

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Processors

The following sections provide procedures for installing and removing the
Pentium III Xeon Processor Single Edge Contact (S.E.C.) cartridge. Use these
procedures when upgrading or replacing your processor(s). Each processor is
packaged in a S.E.C. cartridge. The cartridge includes the processor core with an
integrated 16 KB primary (L1) cache, secondary (L2) cache, thermal plate, and
a cover.
Each S.E.C. cartridge installs in a processor connector slot on the system board.
Each slot must contain either a processor cartridge or a termination board (if
there are less than four processors installed).
Note:
the system board. All installed processors must be matched
for speed and cache size. If replacing a processor, the
replacement processor must match the speed and cache
size of all installed processors. If upgrading a processor, all
processors must be upgraded to match.
Electrostatic discharge (ESD) can damage components;
place them on an antistatic surface. Update the CPU
baseboard using an antistatic wrist strap attached to chassis
ground.
If the system was running, any processor and heat sink
installed is hot. To avoid the possibility of a burn, let the
components cool for 10 minutes before continuing with these
procedures.
Your system may have up to four processors on
! CAUTION
!
WARNING
Disassembly and Reassembly 4-15

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