Yes, it should function properly with slightly mixed memory.
Yes, it should function properly with slightly mixed memory.
You asked about the compatibility of your motherboard with two different DDR2 2GB sticks. The difference between the two models you mentioned shouldn't affect performance if they're both compatible with your system. Regarding using two sets of different DDR2 sticks, it's possible depending on the motherboard support for dual modules. Make sure to check your specific model's documentation for details.