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Topic: EDO RAM

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Edo

Dynamic random access memory

Static random access memory

DDR SDRAM

Random access memory

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NRAM

Glide API

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	Random access memory - Wikipedia, the free encyclopedia
		RAM is typically used for primary storage (main memory) in computers to hold actively used and actively changing information, although some devices use certain types of RAM to provide long-term secondary storage.
		One defining characteristic of RAM is that its accesses to different memory locations are almost always completed at about the same speed, in contrast to some other technologies that required a certain delay time for a bit or byte to “come around”.
		Modern RAM generally stores a bit of data as either a charge in a capacitor, as in dynamic RAM, or the state of a flip-flop, as in static RAM.
	en.wikipedia.org /wiki/RAM (950 words)

	An illustrated Guide to RAM.
		EDO extends the time that output data is valid, which betters timing issues between the CPU and RAM and this way improves the performance.
		EDO RAM was usually sold in 60 ns versions.
		RAM is controlled by the chip set on the motherboard, so you must install a type, which matches your motherboard.
	www.karbosguide.com /hardware/module2e1.htm (1055 words)

	Fast Guide to RAM - a Whatis.com definition
		RAM (random access memory) is the place in a computer where the operating system, application programs, and data in current use are kept so that they can be quickly reached by the computer's processor.
		RAM is small, both in physical size (it's stored in microchip modules) and in the amount of data it can hold.
		Depending on the type of RAM, the entire line of data may be read that the specific address happens to be located at or, in some RAM types, a unit of data called a page is read.
	searchmobilecomputing.techtarget.com /sDefinition/0,,sid40_gci523855,00.html (3535 words)

	System Information - Memory Modules, DRAM, SRAM, Memory Speeds, EDO RAM, Extended Data Out, SIMMS, single in-line ...
		EDO chips allow the CPU to access memory 10 to 15 percent faster.
		EDO modules should be used in systems designed to take advantage of EDO memory.
		Use of EDO RAM in a computer that is not designed to take advantage of it can cause problems.
	www.idp.net /sysinfo/memorymodules.htm (1024 words)

	Back to Basics - Memory, part 3
		EDO RAM takes one processor wait state, which led some publications to claim it was fifty percent faster than FPM-DRAM.
		Because the RAM does not have to send its information to an external SRAM cache, overall system performance is improved considerably.
		Aside from variations of FPM-DRAM and EDO RAM, there are three other memory types you may find on a graphics controller.
	www.computerwriter.com /archives/1998/cw052198.htm (1572 words)

	The Digital Goddess tells all
		While RAM can be used for all sorts of things (as you’re about to discover), DRAM refers specifically to your computer’s main memory.
		EDO RAM is a little different from older types of DRAM because it has some smarts built in.
		When the CPU requests information from EDO RAM, the EDO RAM assumes that the next information requested is going to be right next to the information that was just requested.
	www.svca.org /articles/komando.htm (1006 words)

	Computer Info - RAM
		The problem with EDO RAM when looking in the future is that it hardly works with any bus speed higher than 66 MHz, which is already reached.
		EDO (Extended Data Output) is the newest DRAM chip technology in a series of innovations which include "nibble mode", "write per bit" and "fast page mode".
		EDO is a bit better than "fast page mode": for a given speed on the chip (for instance 70ns, 60ns) the EDO chip processor allows a 10 - 15 % faster access to the memory than with an "fast mode chip".
	degobah.core.binghamton.edu /~crsovr/webdoc9.htm (2637 words)

	ipedia.com: Random access memory Article (Site not responding. Last check: 2007-10-29)
		RAM is usually used for primary storage in computers to hold actively-used and actively-changing information, although some devices use certain types of RAM to provide long term secondary storage.
		In the summer of 2003, a 128 kbit Magnetic RAM chip was introduced, which was manufactured with 0.18 micrometer technology.
		An interesting use of RAM is allocating parts of it as a partition, effectively acting as a hard drive, only much faster.
	www.ipedia.com /random_access_memory.html (602 words)

	Extended Data Out (EDO) DRAM
		EDO DRAM is the same as standard FPM DRAM except for a slight modification in the access cycle that gives it a small performance boost.
		With EDO DRAM, one read to memory can begin before the last one has completely finished; this yields a raw speed improvement of between 5 and 20 percent, depending on whom you ask.
		EDO is still, however, a low-cost and low-performance solution compared to other types of video memory, and is not used on high-end cards.
	www.pcguide.com /ref/video/techEDO-c.html (209 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		Parity and Non-Parity RAM is a classification of your memory modules.
		RAM is memory that is constantly updated during your computer usage and loses all of its information when the computer is shut off.
		EDO has been popular ever since it was first introduced, mainly because of its superb performance and relatively low cost however its compatibility with nearly every system made it a very popular choice among new system builders.
	www.mc-pro.com /hardware/ram.shtml (6024 words)

	WinDrivers Computer Tech Support Forums - EDO RAM notch mod? (Site not responding. Last check: 2007-10-29)
		And to modify proprietary RAM to fit in a slot that it was not designed for is futile; but if you must, then try it.
		Adept the Ram he is talking about it EDO it's not SDRAM so if I'm not mistaken there is no PC number to go with that at all.
		EDO DIMMs from those machines came in both 16x72 and 16x64..I think for your dell you need the 16x64 as i recall..(and this was a while ago after all) the 16x64 were rated at 50 nanoseconds and the 16x72 at 60 nanoseconds.
	forums.windrivers.com /showthread.php?t=47497 (1798 words)

	Can I use 66mhz SDRAM instead of EDO RAM? - Topic Ars OpenForum
		The laptop is a Compaq Armada 1590DMT p166mmx with 16meg onboard RAM and a 32meg stick currently occupies the sole RAM expansion slot.
		PC133 RAM is backwards compatible with PC100 and PC66 because it uses the same technology, just at a different clock speed.
		The reason EDO is more expensive is not because it performs better...
	episteme.arstechnica.com /6/ubb.x?a=tpc&s=50009562&f=77909774&m=6580966472 (397 words)

	WinDrivers Computer Tech Support Forums - Ecc and EDO Ram (Site not responding. Last check: 2007-10-29)
		However, when I installed a further 32MB EDO Ram (this motherboard has both 72pin and 168 pin slots) the system simply ignored it.
		If there is a setting in bios to disable ecc checking of ram you may be able to get standard edo modules working.
		EDO needs to be installed in pairs on pentiums.
	forums.windrivers.com /showthread.php?t=15103 (341 words)

	The PC Guide Discussion Forums - FPM and EDO ram
		How can we say that a ram is EDO or FPM just by seeing it.
		The label clearly states that it is EDO ram.
		After I installed the chips, one report from Sandra stated that my third and fourth bank contained FPM ram, but another report stated that the ram is EDO.
	www.pcguide.com /vb/printthread.php?t=921 (495 words)

	Upgrading EDO ram need help! - Cyber Tech Help Support Forums
		The ram is the problem for the old one, it runs on 2 x 16 mb EDO type.
		I got the idea from some places that they no longer sell EDO ram, nor is it produced anymore.
		I was told that you can't even fit sd ram in there because the pin number's different or something.
	www.cybertechhelp.com /forums/showthread.php?t=57169 (657 words)

	EDO RAM - a Whatis.com definition (Site not responding. Last check: 2007-10-29)
		EDO (extended data output) RAM is a type of random access memory (RAM) chip that improves the time to read from memory on faster microprocessors such as the Intel Pentium.
		EDO RAM was initially optimized for the 66 MHz Pentium.
		For faster computers, different types of synchronous dynamic RAM (SDRAM) are recommended.
	searchstorage.techtarget.com /gDefinition/0,,sid5_gci213926,00.html (89 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		EDO: Extended Data Output ------------------------- EDO needed to be refreshed much less often, thereby providing an externded period where data couldd not be taken out of RAM.
		EDO RAM was either 72 pin SIMM or a DIMM and look exactly like regular DRAM.
		If the CPU wanted some data from the RAM, the chipset sent the necessary signals to the DRAM, waited a certain number of clock ticks, and then accessed the RAM again to get the data.
	www.geocities.com /u3sa/Module2/Module2-2.txt (3541 words)

	Emuforums.com - Newb ass ram...
		My old comp that had a p1 233 mhz had 24 mb edo ram in it (my mom's comp has 64 mb edo in it) It is slower/older than sdram and you probably will have to go online to get it (edo is 66 mhz).
		I went on the internet and it said the mboard was compatible with both edo dram and sdram and it said it could go to 128 mb.
		While it didn't ever recognize the entire amount of ram, I was able to play the descent freespace demo (wouldn't run on 24 mb).
	www.ngemu.com /forums/printthread.php?t=40123 (1096 words)

	Annoyances.org - re: which type of Ram is best and good for game player ,EDO ram,sram, dRam, vram.. (Windows 98 ...
		Annoyances.org - re: which type of Ram is best and good for game player,EDO ram,sram, dRam, vram..
		The fastest is currently DDR RAM, but your motherboard must support it,as well as your processor....
		EDO, SRAM, DRAM are older versions of RAM..
	www.annoyances.org /exec/forum/win98/1020908019 (185 words)

	Howstuffworks "How RAM Works"
		SDRAM is about five percent faster than EDO RAM and is the most common form in desktops today.
		CMOS RAM is a term for the small amount of memory used by your computer and some other devices to remember things like hard disk settings -- see Why does my computer need a battery?
		VideoRAM, also known as multiport dynamic random access memory (MPDRAM), is a type of RAM used specifically for video adapters or 3-D accelerators.
	computer.howstuffworks.com /ram4.htm (708 words)

	PC Memory ( RAM and Cache ) - The Midnight Question Archive
		First set was 2X32 60ns EDO ram, installed all 4 of the new 8meg SIMMs, system will not boot, no beep, no nothing.
		Bad RAM will often produce beep codes, so the first option is another video card, or try yours in another PC.
		The additional RAM will still work and still give a big performance boost even if the cache is undersized.
	www.daileyint.com /hmdpc/mqram.htm (8040 words)

	What is EDO RAM? - A Word Definition From the Webopedia Computer Dictionary (Site not responding. Last check: 2007-10-29)
		Arch Memory: EDO memory - Provides a complete gateway to quality computer memory, with overnight shipping available.
		EDO and other memory for desktops, laptops, and more.
		Oempcworld.com: EDO - Offers EDO 72 and 168 pin computer memory up to 40% off.
	www.webopedia.com /TERM/E/EDO_RAM.html (113 words)

	AMIDiag - Industry Standard PC Diagnostics
		A memory cache, sometimes called a cache store or RAM cache, is a portion of memory made of high-speed static RAM (SRAM) instead of the slower and cheaper dynamic RAM (DRAM) used for main memory.
		For synchronous dynamic RAM (SDRAM) chips, which have a 64 data bit connection to the computer, SIMMs must be installed in in-line pairs (since each supports a 32 bit path).
		On the other hand, flash memory is not useful as random access memory (RAM) because RAM needs to be addressable at the byte (not the block) level.
	www.amidiag.com /support/glossary.cfm (11660 words)

	What is EDO DRAM? - A Word Definition From the Webopedia Computer Dictionary (Site not responding. Last check: 2007-10-29)
		Short for Extended Data Out Dynamic Random Access Memory, a type of DRAM that is faster than conventional DRAM.
		Unlike conventional DRAM which can only access one block of data at a time, EDO RAM can start fetching the next block of memory at the same time that it sends the previous block to the CPU.
		Hoover's: EDO Corp. Company Research - Find information on Edo Corporation with operations and products, financials, officers, competitors and more at Hoover's.
	www.webopedia.com /TERM/E/EDO_DRAM.html (264 words)

	hardCOREware Forum - EDO RAM arch. for own projects (Site not responding. Last check: 2007-10-29)
		Now, you see, I'm developing a PIC project(some sort of miniature computer built around a PIC16F48A controller) So, my idea was to use this(theese) RAM modules in my project.
		Now the problem is that I can't find a SERIOS documentation(i.e datasheet)All I get is selling offers, or things like: "EDO RAM was used as PC RAM.
		RAM comes from...bla,bla, and is used to bla,bla,bla" So, can anyone help me? I guess the RAM chip(HY5118164B) doesn't matter too much, but I have to know the ARCHITECTURE, or the pinouts of a EDO RAM module, so I can manage to read/write/supply power to it
	www.hardcoreware.net /forum/printthread.php?t=11902 (134 words)

	Memory Question - BeyondUnreal Forums
		I have a Celeron 500Mhz with 128megs of ram, I noticed during reboot slot 1 of my memory is EDO, I have three dimm slots, slot 2 and 3 each have 32megs of SDRAM.
		Dizk, it's physically impossible to insert EDO RAM in a SDRAM slot, because SIMMs (EDO) and DIMMs (SDRAM) have a different length and number of "pins".
		Furthermore, EDO is always placed two SIMMs at a time in a bank (two slots).
	forums.beyondunreal.com /showthread.php?t=19507 (844 words)

	ActiveWindows -- RAM Won't Work On New Motherboard (Site not responding. Last check: 2007-10-29)
		Either the system seems slower or the total amount of RAM is displayed less than the actual amount during bootup (when you just power-up the computer).
		For example, you can't plug in a 8 meg RAM with a 16 meg RAM and expect them to run together, producing 24 meg.
		Open the cover of your PC and check whether you RAMs are place in pairs side-by-side or not.
	www.activewin.com /tips/hardware_4.html (443 words)

	SpeedGuide.net Broadband Community - Edo Ram!
		I have 4 - 16 MB sticks of "PNY Memory Master" 72-pin, 60ns, EDO RAM that I removed from my 4-year old HP 8160 and replaced with 4 - 32 MB sticks about a year ago.
		My computer runs fine most of the time, so my wife is battling with me over my desire to buy a new computer(I'm chopping at the bit at getting a HP 9900 series model).
		If you're still using the original 32 MB of RAM that came with this "dinosaur" of ours, increasing it to 64 MB will make a big difference in performance.
	forums.speedguide.net /showthread.php?t=44591 (437 words)

	"EDO RAM PROBLEM"
		I have in total 4x8meg sticks which are edo
		This thread will be moved to the motherboard forum after you have had a chance to look at it.
		Try opening a DOS window and typing mem at the command prompt.
	www.duxcw.com /dcforum/DCForumID2/798.html (60 words)

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