Quote Originally Posted by slim142

So there is no program that tells you what IC your RAM has?
That is correct.

the only way to know is by removing the heatspreader?
Yes, although you could for instance check my RAM List to get an idea, checking underneath the heatspreader is the only way to be 100% sure.
Some modules will use the same IC during their entire 'marketlife', but most will vary depending on availability and cost.