Yes I think it would. Original is either PC3200 at 400mhz or PC2700 at 333mhz. Yours will work with either. Some only had two slots and both may be used but yours plus an original will show an improvement. As johndrew said either of these links will give the answer although as I have experienced with Crucial not always right. On one PC it said that I had three slots of which one unused yet I only had two slots.
This thread is now locked and can not be replied to.