User Guide

1-14 User’s Guide
1.8 Second-level Cache
The board may come with either 256-KB or 512-KB pipelined-burst
second-level cache. Refer to the following table for the possible cache
configurations.
Table 1-7 Second-level Cache Configurations
Cache
Size
Data RAM
(12 ns)
Location Tag RAM
(12 ns)
Cacheable
Memory
256 KB 32K x 32 x 2 pcs. U24, U25 32K x 8 x 1 pc 64 MB
512 KB 64K x 32 x 2 pcs. U24, U25 32K x 8 x 1 pc 64 MB
1.9 Upgrading the CPU
1.9.1 Removing the CPU
In case you want to replace or upgrade your CPU, you need to remove
the previously installed CPU first.
Follow these steps to remove the CPU:
1. Locate the CPU socket with CPU mounted on the system board.
2. Detach the fan cable connector.
3. Pull up the socket lever. The CPU pins will be automatically
released from the socket holes.
4. Detach the CPU from the socket.