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PM-8800 MEMORY SETTINGS
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THE CACHE MEMORY
SOME CACHE
MEMORY CONSIDERATIONS
POSSIBLE CACHE
MEMORY CONFIGURATIONS
THE MEMORY
SOME MEMORY
CONSIDERATIONS
VOLTAGE REQUIREMENTS
POSSIBLE MEMORY
CONFIGURATIONS
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The Cache Memory
This system board is equipped with 256KB of Pipeline
Burst Cache Memory, and a socket for a proprietary 256KB PB Cache Module
to upgrade the total cache to 512KB if needed. This cache upgrade module
is for this board only, it is not compatible with our other models of system
boards or with system boards from other manufacturers.
Some Cache Memory
Considerations:
If
cache is upgraded to 512KB, jumper JP3 must be set to 1 ~ 2.
Maximum
Second Level Cache can not exceed 512KB.
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Possible Cache
Memory Configurations: |
==============================================
ONBOARD CACHE TOTAL
CACHE MODULE CACHE JUMPER JP3
----------------------------------------------
256KB NONE 256KB 2-3
256KB 256KB 512KB 1-2
==============================================
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The Memory
This system board can support up to 128MB main
memory wtih 4 auto banking 72-pin SIMM slots for Fast Page Mode or EDO
DRAM, and 1 168-pin DIMM socket for Fast Page Mode DRAM, EDO DRAM,
or SDRAM.
Some Memory Considerations:
If
Bank 0 of SIMM sockets is to be used, then the DIMM socket CANNOT be used.
If
the DIMM socket is to be used, then Bank 0 of SIMM sockets CANNOT be used.
All
SIMM sockets are compatible with Fast Page Mode and EDO DRAM SIMM modules.
The
DIMM socket is compatible with Fast Page Mode, EDO DRAM and SDRAM modules.
If
a SDRAM module is installed in the DIMM socket, jumper JP1 & JP2 must
be set to 3.3V.
Maximum
memory on-board can not exceed 128MB in any combination.
Voltage Requirements:
There are 2 categories of memory modules in regard
to their voltage requirement. The memory modules' voltage requirement must
be obtained from the manufacturer of the memory modules. However, the following
can serve as a general guideline.
SIMM
- Fast Page Mode & EDO DRAM, can be 3.3V or 5.0V.
DIMM
- Fast Page Mode & EDO DRAM, can be 3.3V or 5.0V.
DIMM
- SDRAM (Sync. DRAM), can be 3.3V only.
All
SIMM sockets are for 5.0V memory modules only.
The
DIMM socket is compatible with 3.3V and 5.0V memory modules.
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Possible Memory Configurations: |
============================================
|-BANK 0-------| |-BANK 1-------|
# SIMM1 SIMM2 SIMM3 SIMM4 DIMM
--------------------------------------------
1 4-32MB 4-32MB NONE NONE NONE
2 NONE NONE 4-32MB 4-32MB NONE
3 4-32MB 4-32MB 4-32MB 4-32MB NONE
4 NONE NONE 4-32MB 4-32MB 8-128MB
5 NONE NONE NONE NONE 8-128MB
============================================
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