Add memory chip

Adding memory mainly depends on compatibility and the improvement of system performance after adding memory.

If you add memory to the machine, only add 1G 1 block, which can only expand the memory and cannot form dual channels. The best solution is to add a 2G memory, which can form a dual channel with the original memory, which can significantly improve the system performance.

therefore

If you want to buy a new 1G memory, forget it. Why not just buy 2G, expand memory and form dual channels?

If a friend gives you 1G memory, I suggest you sell it and add some money to buy 2 g; If you are lazy and want to use waste, add it and use it when it is stable.

Another possibility is that you think that a 32-bit system can only recognize 3.25G of memory, plus 2G of waste. But now 1G memory is hard to buy, even if there is, it is mostly second-hand and fake, and the price is definitely more expensive than 2G. Besides, people will laugh at you when they see that you have 3G memory.