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Chapter 1 Hardware Configuration
19
1.12 Cache Memory
Since the second level cache has been embedded into the Pentium
®
II
CPU, you do not have to take care of either SRAM chips or SRAM
modules. The built-in second level cache in the Pentium II yields much
higher performance than the external cache memories. The cache size
in the Pentium II CPU is either 256 KB or 512 KB. Normally, for
workstation and server application, the 256 KB version is enough.
However, if your system is for heavy duty applications, the 512 KB
version will help a lot. Specifically for our Pentium II based SBC, the
Pentium II has another version that provides much better data security
if combined with the DRAM ECC. Check with your vendor for various
Pentium II models.