Laptop Memory

Types of Laptop Memory
* Memory Resource for major laptop manufactures
* General information for how memory works
* Excellent article on types and function of RAM  

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 2.35" wide 3.3V	Small Outline Dual Inline Memory Module	128-512 Meg
SODIMM	144 PIN 32-bit transfer 2.66" wide 3.3V	Small Outline Dual Inline Memory Module	128-512 Meg
SDRAM	PC100 100MHz, XFER 800MB/s 168-pin SDRAM modules operate at 3.3V or 5V.	Synchronous Dynamic RAM	128-512 Meg
SDRAM	PC133 133MHz, XFER 1.1 GB/s 168-pin SDRAM modules operate at 3.3V or 5V.	Synchronous Dynamic RAM	128-512 Meg
DDR1 SDRAM	PC2100 DDR 266 Mhz	Dual Data Rate Synchronous RAM	256-512 Meg
DDR1 SDRAM	PC2700 DDR 333 Mhz	Dual Data Rate Synchronous RAM	256-512 Meg
DDR1 SDRAM	PC3200 DDR 400 Mhz	Dual Data Rate Synchronous RAM	256-512 Meg
DDR2 SDRAM	PC3200* DDR2-400. Memory Clock: 100 MHz. Bus Clock: 200 MHz. Data Transfers/Sec.: 400,000,000.	Dual Data Rate Synchronous RAM	256-512 Meg
DDR2 SDRAM	PC4200* DDR2-533. Memory Clock: 133 MHz. Bus Clock: 266 MHz. Data Transfers/Sec.: 533,000,000.	Dual Data Rate Synchronous RAM	256-512 Meg
DDR2 SDRAM	PC5300* DDR2-667. Memory Clock: 166 MHz. Bus Clock: 333 MHz. Data Transfers/Sec.: 667,000,000.	Dual Data Rate Synchronous RAM	256-512 Meg
DDR2 SDRAM	PC6400* DDR2-800. Memory Clock: 200 MHz. Bus Clock: 400 MHz. Data Transfers/Sec.: 800,000,000.	Dual Data Rate Synchronous RAM	256-512 Meg	WWW.images.overstock.com/f/102/3117/8h/www.overstock.com/images/products/10389267.jpg