Acer Aspire M5620 Service Manual page 8

South Bridge: ICH9R
PCB
Form Factor: Micro ATX
Dimension/Layer: 244mm x244mm
Memory
Memory Type: DDR II 667/800
Support single channel 64 bit mode with maximum memory size
up to 8GB
Support un-buffered DIMM s only
DIMM Slot: 4
Memory Max: 512MB / 1GB / 2GB DDR2 memory technologies
Capacity: Up to 1 GB per DIMM with maximum memory size up
to 8 GB
2