Pc133 ram compatibility software

As mentioned in above posts, high density ram will not work. Otherwise a pc3 dimm would just work in a 100 mhz dimm slot and there would be no need for any backwards compatibility. In just two easy steps, get the only memory upgrade actually guaranteed to boost your systems performance or your money back. Ive chosen an alternate and just wanted to confirm that it is compatible. Pc100 and pc3 sdram compatibility solutions experts. Go to the specs for your motherboard go to the manufacturers website to see what is the maximum. Ram compatibilitylearn how to make sure additional memory works with. I went back to the store and the guy pretty much said oh, you need single sided ram, heres a stick of pc100. The one that did work speed up the decade old system but sadly its to old to run even the lightest of android. Double sided modules 16x8 pc3 should work perfectly fine. Your system will automatically underclock your memory modules to the speed of the slowest one in the system since you use a 100 mhz bus speed, all of your memory modules will underclock to a speed of 100 mhz. The biggest problem, it only reported half the ram. Get the best deals on pc3 computer ram and find everything youll need to improve your home office setup at.

Pc100 and pc3 sdram compatibility solutions experts exchange. Nonecc 168 pins does not work on apple computers lifetime warranty k. Ram is used for programs and data as well as by the operating system for. Quite frankly im wondering which idiot at compaq had the bright idea of selling a winxp machine with 64mb of ram. Pc3 memory 256mb,512mb sdram pc3 168pin ram memory upgrade. Pc100 has been replaced by pc3, which is backwardcompatible. Thats the absolute minimum amount of ram you can hope to run winxp on.

Ram compatibility im completely confused, and im hoping a soul more knowledgable than myself can help me out. There is a highdensity chip design recently developed which will either detect at halfsize or completely fail to function in a mobo with certain chipsets. Ram types and features foundation topics pearson it. I understand this ram is a little over a decade old but please dont bait and switch. A great place to buy computers, computer parts, electronics, software, accessories, and dvds online. It is a volatile storage memory present in every pcs and laptops where the more memory ram your computer has, the faster it will run.

As to ecc sdram, i thought the chipset on the motherboard had to support it otherwise it would not work, but i cant say for sure. Anyways i bought a pny pc100 256 mb mem module labeled pc100 on the box. Search by oem brand system, oem memory part number, or memory specifications. By following the stepbystep instructions in this document, you can successfully upgrade randomaccess memory ram for all hp and compaq desktop and slimline computers. Apr 18, 2003 if you are using an bx motherboard, find yourself some pc3 256mb dimms which are double sided this should work fine. The pc100 standard, presuming that all manufacturers adhere to it, ensures the compatibility of sdram subsystems with intels 100mhz fsb front side bus processors. Users browsing for pc3 256mb computer ram in memory ram usually look at. Probably a silly question seeing the ram i had chose, was also not on your qualified vendors list.

A memory upgrade is typically the easiest and least expensive way to boost your computers performance. Ddr3 modules use advanced signal designs, including selfdriver. Komputerbay 1gb 2x 512mb pc3 sdram 3mhz dimm limited. While any time is good to add more memory, there are some scenarios in which adding a memory upgrade makes great sense and can. In general, pc3 memory is considered to be backward compatible with pc100 memory. As a brand of micron, crucial has a direct relationship with computer manufacturers. While things should work, as the higher end stuff will operate as slow as the slowest, it doesnt mean it will work properly. I ordered two sticks but only one worked without crashing my system. Jan 02, 2009 any such will be on the hard drive of the pc. Kingston 512mb pc3 sdram product details kingston 512mb pc3 sdram valueram is kingstons valuepriced line of industrystandard, generic memory intended for customers who have white box or generic computer systems, or who plan to purchase memory by specification. Im trying to figure out what ram is compatible with what machines. Recently i upgraded my piii which could only officially accept pc100 ram chips. Tpw3so512l 512mb pc3 cl3 sodimm for imac g4 700800mhz, powerbook g3 pismo, powerbook g4 titanium.

Then he looks at the various types of memory, speeds, and. With great prices, fast shipping, and toprated customer service newegg shopping upgraded. As you said, its a pc100 slot, and im willing to bet your stick has memory chips on both. Before we show you how to distinguish pc3 memory from all others, some. Memory compatibility chart listing memory type and maximum memory for thinkpad systems. It is used in the pentium 3mhz systems and power macintosh g3 systems. Buy pc3 512mb computer ram and get the best deals at the lowest prices on ebay. A similar statement can be made for pc2100 ddr memory and pc1600 ddr memory. Hp desktop pcs upgrading memory ram hp customer support. Ram types and performance upgrading and repairing pcs. Pc3 sdram is available only in the form of a 168pin dimm as it pertains to personal computers. As you said, its a pc100 slot, and im willing to bet your stick has memory chips on both sides.

Great savings free delivery collection on many items. As stated twice before, it is backwards compatable, but as for the issue of why its reporting half the actual ram size. The pc3 line will reflect the speed and i presume the 333 afterwards might be the timing. Pc3 is available in 168 pin dimm and 144 pin sodimm form factors. Memory compatibility tool select your product brand and model to receive a list of compatible memory products. Kingston technology uses a similar method to indicate the parameters and specifications of their memory modules, and this link will take you to the kingston technology reference. Buy computer memory pc3 sdram 168pin dimm size 128mb,256mb,512mb and 1gig pc3 sdram ecc registered memory ram upgrade. Pc3 memory is sdram designed for use in systems with a 3mhz frontside bus. This tutorial is intended to explain what ram is and give some background on different memory technologies in order to help you identify the ram in your pc. Compatibility problem arises when the manufacturer fails to program spd for specific memory clock. Mar 14, 2007 pc3 are often backward compatible with pc100 because e2prom is programmed with settings for both 3mhz and 100mhz bus clock.

If you are using an bx motherboard, find yourself some pc3 256mb dimms which are double sided this should work fine. Our compatibility analysts are leaders in the field and are responsible for building and maintaining an industryleading database that tracks module compatibility for nearly every system available. In raw terms, pc3 sdram memory is 33% faster than pc100 sdram memory. Pc3 are often backward compatible with pc100 because e2prom is programmed with settings for both 3mhz and 100mhz bus clock. Memory, difference between pc100 and pc3 august 2005. However using motherboard testing, showed it was infact pc3 and it said so on. This the source of the highdensity caveat which youll find on sites selling ram. Kingston makes it quick and easy to select compatible ram memory for your desktop pc, laptop, or server. Pc3 is the fastest and final sdr sdram standard ever approved by the jedec, and delivers a bandwidth of 1066 mb per second 3. Check out bizrate for great deals on popular brands like crucial, dell and gigaram. If it doesnt well it will still work but your ram will be running at pc100. However, today while parusing for cheap ram for a friends older computer, i noticed that the pc3 ram, which was on sale, stated it was not compatible with pc100 motherboards. Limited lifetime warranty on every memory upgrade we offer. While the graphics might not match your specific computer model, the steps will work.

The number of pc3 chips you use is ultimately based on the performance you want and the number of open sdram slots there are on your motherboard. Use bizrates latest online shopping features to compare prices. I have a handful of pc100 and pc3 ram for pc, is this compatible with apple macs, or do i. All kingston memory is backed by 100% testing, a lifetime warranty and over 30 years of design and manufacturing expertise. However, the overall system performance you actually observe will more likely be in the range of 5% to 10%.

Note that you cannot safely assume that pc3 memory can be used to upgrade a system that has pc66 or pc100 memory. Still, what you say gives me hope that pc100 ram is electrically different to pc3 ram. Check out bizrate for great deals on popular brands like gigaram, other world computing and samsung. Pc3 is, by design, backwardcompatible all the way to pc66. I say that all pc3 ram is backwards compatible with all pc100based motherboards, providing theyre 3. Those two digits alone determine whether the module is pc66, pc100, pc125 or pc3 as you can see by the chart. The map shows you install the 1gb in slot 1, the 2512mb in slot 2 and slot 3. As an example, if you were to install a pc3 module in a system with a 100mhz fsb, or in a system already containing a 100mhz module, the pc3 module will operate only at 100mhz.

During the startup boot process, the motherboards bios software reads. Extreme overclocking forums intel specific intel memory. The adherence to specifications set forth in the pc100 standard significantly enhances data throughput, bringing system performance to a new level. Pc3 refers to sdr sdram operating at a clock frequency of 3 mhz, on a 64bitwide bus, at a voltage of 3. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. What happens if i stick pc3 memory into a pc100 slot. Pc3 is a computer memory standard defined by the jedec. Ram is an acronym for random access memory memory is basically a computer chip. Pc66 memory is sdram designed for use in systems with a 66mhz frontside bus. Pc3 chipsets such as intel 815, 845 etc can use 16x8 and 32x8. Pc3 is the fastest and final sdr sdram standard ever approved by the jedec, and delivers a bandwidth of. Understanding, identifying and upgrading the ram in your pc. The pc has currently a pc100 sodimm 144 pin memory.