1gb(if from a good company)..
2gb(if local ram)
Yes the Dell Latitude c640 is a note book.
The Dell Latitude c640 can be purchased for very cheap used and refurbished. The price for used can be from $100-$200, and refurbished will be around $300-$400.
The Dell Optiplex supports a maximum of 512 MB of RAM using two 256 MB PC100/PC133 SDR SDRAM modules.
The Dell Inspiron 1521 supports up to 4 GB of DDR2-667 RAM, using two 2 GB modules
Yes Latitude c600 c610 and c640 lcds we all interchange.
yes i have use this key board with my dell latitude c640 and working fine from USB port and keyboard is an excellant choice if you have good typing speed.
Press FN (function) and F7 key the display will resize to fill the screen. :-)
The maximum amount of memory (RAM) a Dell E139761 board supports is 384 MB. This can be achieved through 3 modules of 128 MB each.
The typical memory used for the Dell Latitude D600 is 128 MB of RAM and is 266MHz. The maximum amount of memory that the Dell Latitude D600 can have up to is 2GB.
RAM is partly dependent on your system's avalible slots. however, usually it's a case of the capacity of your OS for example, I have 4GB(2x2GB) Ram in my PC - on XP it reads 3.25Gb of RAM - this is as XP can only handle around 3Gb where as vista can handle 4 and x64 operating systems can handle much more
Drivers for Windows XP and earlier for a Dell D600 laptop can be found in the support section of Dell's website. Drivers for Windows Vista and later are not officially supported by Dell for D600 laptops.
8 GB is the maximum RAM that you can put in a dell latitude d 830.