Raj,

Yes, PCI slot IDE controller cards are what I am refering to. Although Dell has a number of idiosyncracies to there BIOS and machines I don't recall having issue with adding IDE controller...

This may be part of the series of Dell that you have to make some changes in BIOS in order to get it to recognize hard drives. Look through your BIOS settings and see if there are settings for your...

Here are the specs on that board, it should be able to support up to 2GB of 133 mem

Intel Desktop Board D845GLLY - motherboard - micro ATX - i845GL
General
MPN: BOXD845GLLY, KD845GLLYLPAK10,...

This board is one that was known for a variety of issues with DDR2 memory. Among the various solutions that may work for it are:

BIOS update
Manually setting memory timings
Using DDR memory

Make certain RAM is seated properly, and try going back to old memory just to be certain everything is working still.

Then try inserting the new memory chips one at a time to see if it POSTs and...

I'm starting off by assuming you have a LED on the motherboard and it is lit showing power to the MB is good.

At this point I'm also hoping your motherboard has a built in speaker. If so then the...

The Motherboard in a computer is the main part that everything else attaches to or comes already built on to. As a result the motherboard is the part that controls communication between all the...

Right now the most important thing to know is goig to be about your hardware.

The easiest way to do the is for you to post your hardware information...