Difference between revisions of "Laptop Memory"
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| − | * '''Types of Laptop Memory''' | + | * '''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]] | ||
| + | |-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) | ||
| + | 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 | ||
| + | |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|| | + | |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|| | + | |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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| − | | | + | |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|| | + | |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|| | + | |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]] |
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| − | |DDR2 SDRAM|| | + | |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]] |
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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 |