System Features; Pentium Iii Processor - NEC Express5800 320La User Manual

System Features

The following subsections provide a description of the system features.

Pentium III Processor

Depending on system configuration, each CPU CRU can include up to two Pentium III
800 MHz processors, see Figure 1-12. Each Pentium III processor is mounted on the
CPU board located in the CPU module. The primary processor plugs into a Zero
Insertion Force (ZIF) socket on the board. The processor features a 256 KB cache. An
optional second Pentium processor III enhances performance and allows Symmetric
Multiprocessing (SMP).
Figure 1-12. Processor Locations on the CPU Board
B
A
F
A
CPU module
B
CPU board
C Primary processor
D Voltage regulator for primary processor
E Voltage regulator for secondary processor
F Secondary processor
D
C
E
System Overview 1-19