Difference between revisions of "Laptop Memory"

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* '''Types of Laptop Memory'''  -Update in progress
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* '''Types of Laptop Memory'''   
  
 
Laptops rarely use the standard [http://static.howstuffworks.com/gif/ram-simm.jpg SIMM] and [http://static.howstuffworks.com/gif/ram-dimm.jpg DIMM] memory modules used by non-portable machines. Instead, you may find:
 
Laptops rarely use the standard [http://static.howstuffworks.com/gif/ram-simm.jpg SIMM] and [http://static.howstuffworks.com/gif/ram-dimm.jpg DIMM] memory modules used by non-portable machines. Instead, you may find:
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|SDRAM||PC133 133MHz, XFER 1.1 GB/s 168-pin SDRAM modules operate at 3.3V or 5V. ||Synchronous Dynamic RAM||128-512 Meg||[[WWW.educations.newegg.com/category/381/buy/image01.jpg]]  
 
|SDRAM||PC133 133MHz, XFER 1.1 GB/s 168-pin SDRAM modules operate at 3.3V or 5V. ||Synchronous Dynamic RAM||128-512 Meg||[[WWW.educations.newegg.com/category/381/buy/image01.jpg]]  
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|-Standard name Memory clock (MHz) Cycle time[4] (ns) I/O bus clock (MHz) Data transfer rate (MHz) JEDEC standard VDDQ voltage (V) Module name Peak transfer rate (MB/s)
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DDR-200 100 10 100 200 2.5±0.2 PC-1600 1600
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DDR-266 133 7.5 133 266 2.5±0.2 PC-2100 2100
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DDR-333 166 6 166 333 2.5±0.2 PC-2700 2700
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DDR-400 200 5 200 400 2.6±0.1 PC-3200 3200
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|DDR1 SDRAM||PC2100 DDR 266 Mhz||Double Data Rate SDRAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
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|DDR1 SDRAM||PC2100||Double Data Rate SDRAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|DDR1 SDRAM||PC2700 DDR 333 Mhz||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
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|DDR1 SDRAM||PC2700||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|DDR1 SDRAM||PC3200 DDR 400 Mhz||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
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|DDR1 SDRAM||PC3200||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|DDR2 SDRAM||PC3200* DDR2-400. Memory Clock: 100 MHz. Bus Clock: 200 MHz. Data Transfers/Sec.: 400,000,000.||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
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|DDR2 SDRAM||PC3200||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|DDR2 SDRAM||PC4200* DDR2-533. Memory Clock: 133 MHz. Bus Clock: 266 MHz. Data Transfers/Sec.: 533,000,000.||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
|-
 
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|DDR2 SDRAM||PC4200||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|DDR2 SDRAM||PC5300* DDR2-667. Memory Clock: 166 MHz. Bus Clock: 333 MHz. Data Transfers/Sec.: 667,000,000.||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
|-
 
|-
|DDR2 SDRAM||PC5300||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|DDR2 SDRAM||PC6400* DDR2-800. Memory Clock: 200 MHz. Bus Clock: 400 MHz. Data Transfers/Sec.: 800,000,000.||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
 
|-
 
|-
|DDR2 SDRAM||PC6400||Dual Data Rate Synchronous RAM||128-512 Meg||[[WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg]]
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|}  
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|}
 
 
* Memory Resource for major laptop manufactures[http://www.computerlaptopmemory.com]
 
* Memory Resource for major laptop manufactures[http://www.computerlaptopmemory.com]
 
* General information for how memory works[http://communication.howstuffworks.com/laptop2.htm]
 
* General information for how memory works[http://communication.howstuffworks.com/laptop2.htm]
 
* Excellent article on types and function of RAM [http://articles.techrepublic.com.com/5100-22_11-5625868.html]
 
* Excellent article on types and function of RAM [http://articles.techrepublic.com.com/5100-22_11-5625868.html]
 
[[Category: Laptops]]
 
[[Category: Laptops]]

Revision as of 17:15, 6 February 2010

  • Types of Laptop Memory

Laptops rarely use the standard SIMM and DIMM memory modules used by non-portable machines. Instead, you may find:

DDR-200 100 10 100 200 2.5±0.2 PC-1600 1600 DDR-266 133 7.5 133 266 2.5±0.2 PC-2100 2100 DDR-333 166 6 166 333 2.5±0.2 PC-2700 2700 DDR-400 200 5 200 400 2.6±0.1 PC-3200 3200
MODULE CONFIGURATION DEFINITION SIZE REFERENCE
SODIMM 72 PIN 32-bit transfer Small Outline Dual Inline Memory Module 128-512 Meg [[1]]
SODIMM 144 PIN 32-bit transfer Small Outline Dual Inline Memory Module 128-512 Meg WWW.static.howstuffworks.com/gif/ram-sodimm.jpg
SDRAM PC100 100MHz, XFER 800MB/s 168-pin SDRAM modules operate at 3.3V or 5V. Synchronous Dynamic RAM 128-512 Meg WWW.educations.newegg.com/category/381/buy/image01.jpg
SDRAM PC133 133MHz, XFER 1.1 GB/s 168-pin SDRAM modules operate at 3.3V or 5V. Synchronous Dynamic RAM 128-512 Meg WWW.educations.newegg.com/category/381/buy/image01.jpg
DDR1 SDRAM PC2100 DDR 266 Mhz Double Data Rate SDRAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
DDR1 SDRAM PC2700 DDR 333 Mhz Dual Data Rate Synchronous RAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
DDR1 SDRAM PC3200 DDR 400 Mhz Dual Data Rate Synchronous RAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
DDR2 SDRAM PC3200* DDR2-400. Memory Clock: 100 MHz. Bus Clock: 200 MHz. Data Transfers/Sec.: 400,000,000. Dual Data Rate Synchronous RAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
DDR2 SDRAM PC4200* DDR2-533. Memory Clock: 133 MHz. Bus Clock: 266 MHz. Data Transfers/Sec.: 533,000,000. Dual Data Rate Synchronous RAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
DDR2 SDRAM PC5300* DDR2-667. Memory Clock: 166 MHz. Bus Clock: 333 MHz. Data Transfers/Sec.: 667,000,000. Dual Data Rate Synchronous RAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
DDR2 SDRAM PC6400* DDR2-800. Memory Clock: 200 MHz. Bus Clock: 400 MHz. Data Transfers/Sec.: 800,000,000. Dual Data Rate Synchronous RAM 128-512 Meg WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg
  • Memory Resource for major laptop manufactures[2]
  • General information for how memory works[3]
  • Excellent article on types and function of RAM [4]