Difference between revisions of "Laptop Memory"

Revision as of 17:22, 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:

MODULE	CONFIGURATION	DEFINITION	SIZE	IMAGE
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]

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 {| class="wikitable" style="text-align:left; font-size:90%" border=".15" cellpadding=".5" width=100%
 |-
-|MODULE||CONFIGURATION||DEFINITION||SIZE||REFERENCE
+|MODULE||CONFIGURATION||DEFINITION||SIZE||IMAGE
 |-
 |SODIMM||72 PIN 32-bit transfer||Small Outline Dual Inline Memory Module||128-512 Meg||[[http://hal-pc.org/journal/2004/04_apr/200404MemoryPart2_files/image008.jpg]]
@@ Line 14: / Line 14: @@
 |-
 |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)
+|-Standard name 	Memory clock (MHz) 	Cycle time[4] (ns) 	I/O bus clock (MHz) 	Data transfer
-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]]
 |-

Difference between revisions of "Laptop Memory"

Revision as of 17:22, 6 February 2010

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