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Many manufacturers publish the speed of the FSB in MHz, but often do not use the actual physical clock frequency but the theoretical effective data rate (which is commonly called megatransfers per second or MT/s). This is because the actual speed is determined by how many transfers can be performed by each clock cycle as well as by the clock frequency. For example, if a motherboard (or processor) has a FSB clocked at 200 MHz and performs 4 transfers per clock cycle, the FSB is rated at 800 MT/s.
supplied by webopedia.com Short for Synchronous DRAM, a type of DRAM that can run at much higher clock speeds than conventional memory. SDRAM actually synchronizes itself with the CPU's bus and is capable of running at 133 MHz, about three times faster than conventional FPM RAM, and about twice as fast EDO DRAM and BEDO DRAM. SDRAM is replacing EDO DRAM in many newer computers. SDRAM is a variant of DRAM in which the memory speed is synchronized with the clock pulse from the CPU. This synchronization enables the SDRAM to pipeline read and write requests. Pipelining enables the SDRAM to accept commands at the same time as it is processing other commands. There are three variants of SDRAM: Single Data Rate SDRAM - SDR SDRAM Dual Data Rate SDRAM - DDR SDRAM
Sdram has one notch. Depending upon the model of Sdram the number of pins it has can vary but a standard Sdram has 184 pins.
DDR SDRAM uses 184 pins.
2
PC133 is an SDRAM standard. SDRAM is a type of RAM.
240
count them
There are lots, too many to name. Some of the popular ones are: EDO (Obsolete) SDRAM (Mostly Obsolete) RAMBUS (Obsolete) - Data transfers fast, but takes a long time to find. Only used on P4 systems. DDR/DDR2/DDR3 - Current technology. Basically a pumped up version of SDRAM GDDR2 - An early version of DDR2, only used on graphics cards.
32 bits wide
Twice in a 24 hour cycle at 3:00.
1 notch