Amptron International Inc. Manufacturer of PC Motherboards


PM-7900 MEMORY SETTINGS
THE CACHE MEMORY SOME CACHE MEMORY CONSIDERATIONS POSSIBLE CACHE MEMORY CONFIGURATIONS THE MEMORY SOME MEMORY CONSIDERATIONS VOLTAGE REQUIREMENTS POSSIBLE MEMORY CONFIGURATIONS
The Cache Memory This system board is equipped (built-in) with a 160-pin Dual Readout Socket for either a 256KB or a 512KB Pipeline Burst Cache module for its Second Level Cache (L2). Some Cache Memory Considerations: Maximum Second Level Cache can not exceed 512KB.
Possible Cache Memory Configurations:
================= CACHE TOTAL MODULE CACHE ----------------- 256KB 256KB 512KB 512KB =================
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 JP7 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.
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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