is rdram [184 PIN (16bit)] compatible with regular 184 PIN ram???

if this is a stupid question im sorry, im a newbieeasy way out>>http://www.crucial.com/uk/promo/index.asp?prog=desktop2oops, THATS a bad question,

i have rdram (184 PIN 16bit) on my computer, i have an extra 512 of regular 184 PIN ram.

the slots dont match up, but iwas wondering if somehow i could make them fitIf you have a Dell, Compaq, Toshiba, Gateway, HP, or other OEM computer!
Know in advance; that these OEM computers require very specific memory part NUMBERS or the upgrade will fail. Only buy and install part numbers listed by the memory MAKER as being for your specific model number. You don't need to buy your upgrade from the computer maker since they charge very high prices. Buy make very sure that the memory part number you buy is listed for your exact model number.

DDR 184 Pin - Used in newer desktop computers. 5.375” x 1”

184-pin DIMMs are used to provide DDR SDRAM memory for desktop computers. Each 184-pin DIMM provides a 64-bit data path, so they are installed singly in 64-bit systems. 184-pin DIMMs are available in PC2100 DDR SDRAM, PC2700 DDR SDRAM, and PC3200 DDR SDRAM. To use DDR memory, your system motherboard must have 184-pin DIMM slots and a DDR-enabled chipset. A DDR SDRAM DIMM will not fit into a standard SDRAM DIMM socket. (Information on which memory technology is used by your system is included in the Memory Selector.)
The number of black components on a 184-pin DIMM may vary, but they always have 92 pins on the front and 92 pins on the back for a total of 184. 184-pin DIMMs are approximately 5.375" long and 1.25" high, though the heights may vary. While 184-pin DIMMs and 168-pin DIMMs are approximately the same size, 184-pin DIMMs have only one notch within the ROW of pins.
Dual Channel mode memory. For systems that make use of dual channel memory mode, you must have two memory boards that are exactly the same or the dual channel portion will not work. Get two memory chips with the same part number if you want dual channel.

Please note that RDRAM is also KNOWN as 'Rambus' and MUST BE INSTALLED IN PAIRS, they also sell what is known as C-DIMMS or "Continuity" (basically fake rambus chips that must be installed in the 'empty' dimm slots in order for the memory to register in case you buy only 2 chips and have 4 slots)

Also be sure to check to see if you use NON-ECC or ECC, a simple way to check for this is to look at the dimm itself, or use SiSoft Sandra Lite or Belarc Advisor (just google those two names and they will provide a complete breakdown of your entire system for free uopon installation). Hope this helps.