max 555 slot

If it can handle 8GB, then each memory slot can hold DDR2 PC2-6400, DDR2 PC2-5300 with a maximum of 4GB per slot. 2G/slot max. No, 8G is not supported. If you run a single module you lose half your memory bandwidth, since the system will run in single-channel rather than dual-channel mode. laku88 slot