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as noted in the introduction, there''s a virtual alphabet soup of memory types: sdram, edo, fpm, simm, and dimm. it certainly can create a great deal of confusion. ram itself stands for "random access memory," meaning the cpu can access any memory address without reading all addresses before it. (rom—read pro only memory—is 400cs random access, too, but you can''t write to it). it gets worse, because memory comes in different speeds, and some types don''t work in some systems. here''s the rundown satellite on the three memory types used in today''s systems.... sdram. synchronous dram sdram''s speed is typically measured in mhz (for example, 100mhz), although you do see references to 10ns sdram ("ns" stands for nanosecond or one billionth of a pro second). sdram for pcs comes in dimms. these refer to sdram dimms rated at different memory bus speeds. for any cpu running at a 100mhz bus speed you should get sdram. some future motherboards will support sdram. 400cs although there''s a price premium, sdram will run in a pc100 system.

as noted in the introduction, there''s a virtual alphabet soup of memory types: sdram, edo, fpm, simm, and dimm. it certainly can create a great deal of confusion. ram itself stands for "random access memory," meaning the cpu can access any memory address without reading all addresses before it. (rom—read pro only memory—is 400cs random access, too, but you can''t write to it). it gets worse, because memory comes in different speeds, and some types don''t work in some systems. here''s the rundown satellite on the three memory types used in today''s systems.... sdram. synchronous dram sdram''s speed is typically measured in mhz (for example, 100mhz), although you do see references to 10ns sdram ("ns" stands for nanosecond or one billionth of a pro second). sdram for pcs comes in dimms. these refer to sdram dimms rated at different memory bus speeds. for any cpu running at a 100mhz bus speed you should get sdram. some future motherboards will support sdram. 400cs although there''s a price premium, sdram will run in a pc100 system.

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