Micronics JX30WB, Руководство пользователя

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Installing Add-On Peripherals JX30WB System Board
and System Memory
3-10 Micronics Computers, Inc.
Figure 3-5. Installing 512K of Level 2 Cache
NOTE: Make sure the notches on SRAMs match the
notches on the sockets.
Installing Cache Memory (Cont’d)
1MB of Level 2 Cache
Write-Through
For 1MB of level 2 cache install eight 128Kx8-20ns
SRAMs into sockets U42 through U45 and U53 through
U56. After installing the level 2 cache, refer to table 2-8 for
the correct jumper settings.
Write-Back
For enhanced level 2 performance, add an additional
128Kx8-20ns “dirty bit” SRAM in the U46 socket.