Simm Memory
Single Inline Memory Modules (SIMMs)
The single inline memory module or SIMM is still the most common memory module format in use in the PC world, largely due to the enormous installed base of PCs that use them (in new PCs, DIMMs are now overtaking SIMMs in popularity.) SIMMs are available in two flavors: 30 pin and 72 pin. 30-pin SIMMs are the older standard, and were popular on third and fourth generation motherboards. 72-pin SIMMs are used on fourth, fifth and sixth generation PCs.
The SIMM board is connected to a circuit control board by an edge connector. Single in-line memory modules represent a high density, low profile single in-line package for electronic components such as dynamic random access memory integrated circuit components. A plurality of these components can be mounted in line on a circuit panel whose height is little more than the length of the components themselves. With a SIMM, several memory devices such as DRAMs are mounted on a printed circuit board having an edge connector. The SIMM is designed to plug into a computer socket in electrical communication with address, data and power supply buses for the computer so that the randomly-addressable memory cells of the SIMM can be addressed directly by the computer’s CPU rather than by a bank-switching technique commonly used in larger memory expansion boards. One edge of a SIMM module is a card-edge connector, which plugs into a socket on the computer which is directly connected to the computer buses required for powering and addressing the memory on the SIMM.
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About the Author
OEMPCWorld.com sells oem Computer Memory and Flash memory products at wholesale prices for PCs, Macs, Laptops, Music Samplers, printers, cameras and more. We offer a wide variety of popular and hard to find older 72p pin SIMMs, 168 pin DIMMs and 184 pin Rambus modules at unbelievably low prices as well as the latest DDR, DDR2 and DDR3 modules. From 16Mb to over 4.0GB, we have it in stock and ready to ship. Wide selection, great prices, unmatched service.
Failed attempts – Francesco de Pinedo
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VisionTek 16MB 72-Pin EDO RAM for Digital Prioris HX 6000 series … |
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MEMORY 4X32EDO 60NS 72PIN 16MB 16MB 4X32 EDO 60NS EXTENDED DATA OUTPUT… |
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MEMORY 2X32EDO 60NS 72PIN 8MB 8MB 2X32 EDO 60NS EXTENDED DATA OUTPUT… |
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The Pins Collection: Chinese and Japanese paintings and prints /c[text, Jacob Pins] (Cat. / Israel Museum) … |
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128MB EDO 144 pin SODIMM (ACP) $59.85 128MB 144pin EDO DRAM SODIMM 16Mx64 non parity unbuffered gold leads 3.3 volts 60ns 4K refresh 8 or 16 chip count max 1.25 inches tall – not compatible with Toshiba notebooks… |
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64MB 60ns EDO 72-pin SIMM memory upgrade $32.99 64MB 60ns EDO memory upgrade for PC-based and Mac desktops that require a 72-pin EDO SIMM. Please note that EDO SIMM’s must be installed in pairs. |
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64MB 3 3V EDO 168-PIN UNBUFFERED 6 $65.99 64MB 3 3V EDO 168-PIN UNBUFFERED 6 |
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128MB 3 3V EDO 168-PIN UNBUFF 60NS $88.99 128MB 3 3V EDO 168-PIN UNBUFF 60NS |
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256MB EDO SIMM KIT – 2 PIECES $153.99 256MB EDO SIMM KIT – 2 PIECES |
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128MB ECC 3 3V EDO 168-PIN BUFFERE $92.99 128MB ECC 3 3V EDO 168-PIN BUFFERE |
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1 GB DIMM 168-PIN EDO RAM ECC F/HP LH4 $523.19 EDGE – Memory – 1 GB : 4 x 256 MB – DIMM 168-pin – EDO RAM – ECC |
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1 GB DIMM 168-PIN EDO RAM FOR COMPAQ $123.59 EDGE – Memory – 1 GB : 4 x 256 MB – DIMM 168-pin – EDO RAM – 3.3 V – buffered – ECC |
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128 MB DIMM 168-PIN EDO RAM FOR DELL $68.39 EDGE – Memory – 128 MB – DIMM 168-pin – EDO RAM – 3.3 V – unbuffered – ECC |
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128 MB DIMM 168PIN EDO RAM 3.3V NON-ECC $77.99 EDGE – Memory – 128 MB – DIMM 168-pin – EDO RAM – 3.3 V – non-ECC |
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128 MB SIMM 72-PIN EDO RAM FOR MICRON $81.59 EDGE – Memory – 128 MB – SIMM 72-pin – EDO RAM – 5 V |