Crucial say you should just have 2 memory slots in your motherboard click here and recommend just using PC2700 ram.
it may be worth using their " scan my system " tool, to double check. click here
What crucial do say, is that your motherboard can support upto 1GB of memory per slot. So in theory, you could have as much as 2Gb in your machine.
" Is there any special configuration routine so that my machine uses all the new memory when installed "
No, it should be plug and pray.