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DIMM - Wikipedia


A DIMM or dual in-line memory module comprises a series of dynamic random- access memory ... have a 32-bit data path, while standard DIMMs have a 64-bit data path. ... ECC DIMMs are those that have e...

Fast Guide to RAM - Reference from WhatIs.com


The operating system, application programs and data in current use are kept in RAM, ... size (it's stored in microchip modules) and in the amount of data it can hold. ... in-line memory modules) that plug into DIMM slots in the computer's motherboard. These slots connect through a bus or set of electrical paths to the processor...

Build A PC - Memory


The modules are called RIMMs and have 184 pins like DDR DIMMs, but are ... While SDRAM and DDR SDRAM use 64-bit data paths, RDRAM's interface .... The cheapest $/bit modules are often one size smaller than the current largest size.

Multicore DIMM: an Energy Efficient Memory ... - Stanford University


Jan 8, 2009 ... However, the current DDR DIMM standard is not well suited to ... READ/WRITE is determined by the data path size (typically 4,. 8, or 16 bits per ...

About Computer Memory - iFixit


Dynamic RAM (DRAM) stores data for only a tiny fraction of a second before losing it. ... Modern processors have L2 cache memory sizes ranging from 128 KB to 2 MB. ... The chips used to produce a DDR-SDRAM memory module, called a DIMM .... RDRAM uses a 16-bit or 18-bit data path (versus 64-bit for SDRAM) to  ...

Installing and Upgrading DDR3 Memory - Dell


Aug 19, 2009 ... Quad Rank (QR) DIMMs, the first slot of each channel populated (first two ... This is the current maximum frequency supported by Intel and ... Single Rank (SR): one row of DRAM comprising 64-bits of data. ... “Balanced” means that the same size/capacity DIMM must be installed in the same memory bank.

External Memory Interface Handbook - Altera


May 2, 2016 ... Physical layer interface (PHY) which builds the data path and manages timing .... Changed Arria 10 EMIF current support for LPDDR3 to yes.

Ars Technica: RAM Guide: Part III: DDR DRAM and RAMBUS - Page ...


... by talking about DDR DRAM, and how it relates to the current generation of SDRAM. ... So DDR can transfer two data words per clock cycle, as opposed to ... This strobe circuitry increases the die size a little, but the increase is fairly negligible. ... 64-bit data path from each DIMM, and has multiple banks of memory on each ...

Processor Specifications | Microprocessor Types and Specifications ...


Jun 8, 2001 ... Data input and output bus ... Processor. Speed. L2 Size. L2 Type. L2 Speed ... This alternating current is the clock signal that forms the time base on which ... To transfer data to and from memory, for example, a modern processor ...... Some processors have an internal data bus (made up of data paths and ...

Student Resource Glossary


alternating current (AC), Current that cycles back and forth rather than traveling in only one direction. ... Examples: power supply, DIMM, motherboard, hard disk drive. ... form factors, A set of specifications on the size, shape, and configuration of a ... common to desktop computers that uses a 32-bit wide or a 64-bit data path .

More Info

TN-41-08: Design Guide for Two DDR3-1066 UDIMM ... - Micron


DIMM devices operating at a data rate of 1066 Mb/s and two variations of the .... over the entire bus to provide a low-impedance current return path. .... captured at the DIMM using the clock signals, they must maintain the length relation-.

Co-DIMM: Inter-Socket Data Sharing via a Common DIMM ... - memsys


Oct 3, 2016 ... Processor socket; DIMM channel; Data sharing. Permission to .... path, a processor broadcasts its request over an out-of-band .... refresh switching in our current implementation. We first .... Data Transfer Size (Bytes). 0. 10. 20.

RAM Types and Performance | Upgrading and Repairing PCs ... - Que


Jan 6, 2010 ... Starting in early 2001, double data rate (DDR) SDRAM memory of 200MHz ... If the desired memory location is outside the current page, one or more wait .... SDRAM is sold in DIMM form and is normally rated by clock speed (MHz) ..... The 240-pin DDR3 modules are similar in pin count, size, and shape to ...