NEC Express5800 320La - System Features; Pentium III Processor

System Overview 1-19
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).
A
B
C
D
E
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
Figure 1-12. Processor Locations on the CPU Board