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EDO DRAM. Extended Data Out DRAM EDO speeds are measured in nanoseconds. You can buy EDO as fast as 50ns for your personal computer main memory (you may see faster EDO DRAM on some graphics cards. EDO memory is commonly available as 72-pin SIMMs). FPM DRAM. Fast Page Mode DRAM Fast-page mode is becoming increasingly scarce, but, unless you''re running a very early system (430NX chipset or earlier) or a 486 system, you probably don''t want to get DRAM. Fast-page mode memory comes in SIMMs. RDRAM is shipped in RIMMs (RAMBUS inline memory modules). Future systems using the Intel 820 chipset and the upcoming 600MHz plus Pentium IIIs will use RAMBUS memory, but they aren''t out as of this writing. Way back in the dark ages of the PC architecture, I once owned an original Compaq portable. While the Compaq supported a whopping 640KB of RAM, it only came with 256KB. I upgraded my Compaq myself with an additional 384KB of memory by carefully inserting 27 individual 16KB RAM chips. The hunger for memory has steadily increased since then; 64MB is no longer unusual. Upgrading memory is easier, too; you no longer must painfully insert individual RAM chips.
What is the difference between 2-clock and 4-clock memory? Two types of SDRAM modules are the 2-clock and the 4-clock module. Structurally, they are the same, but they are accessed differently. A 2-clock SDRAM module is set up so that each clock cycle accesses two chips on the module. A 4-clock SDRAM setup accesses 4 chips per clock cycle. To choose what kind to get, you must look into the motherboard''s documentation. 4-clock modules are the more commonly used. The typical indication of the wrong type being used is a system giving error beeps and not booting as it cannot use the memory installed. The system will not proceed past POST (Power On Self Test). 2-clock was only used in 66 MHz systems. All PC 100 and PC 133 memory is 4-clock only. Do all of your SDRAM modules use SPD? SPD, or Serial Presence Detect, is a program in an EEPROM chip on the modules of SDRAM (Synchronous Dynamic Random Access Memory). It tells the system’s BIOS what the specifications and settings of the memory module are. All of our SDRAM DIMMs have SPD programming. The system BIOS should therefore be set on AutoDetection for memory.
Today''s software has become more rapacious than ever—not just wanting faster processors, but faster graphics and more RAM. Layer these software programs on top of itself a memory-hungry operating system, and it becomes clear that more memory is better—up to a point. The good news is that memory is cheaper than ever, though the precipitous plummet in prices seems to have leveled off a bit lately. But the memory landscape is much more confusing than even a couple of years ago. The acronyms have evolved into a veritable alphabet soup of memory types: EDO, BEDO, SDRAM, FP, RAMBUS. Each new motherboard chipset that finds its way into your computer seems to want a different type of memory. Well, we''re here to help you sort through the memory types and walk you through the process of installation. This is a tough question. However, there are a couple of rules of thumb. First, know thy motherboard. You must be aware of what chipset you have in your system. It turns out that adding too much memory can actually slow down your computer. The reason for this is the L2 cache. Cache Level 1 and Level 2
Check here - Are you in search for more ram for your computer? Visit the web's largest online source for computer memory online. No matter what type of computer you have, we can help you find memory and learn to install it.
wholesale rambus
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