Acer Aspire 4520 Service Guide - Page 38

System Memory Item Memory controller Memory size DIMM socket number Supports memory size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed Supports DIMM voltage Supports DIMM package Memory module combinations Specification Built-in Intel® PM965 0MB (no on-board memory) 2 sockets 2GB 4GB (by two 1024MB SO-DIMM module) DDR 2 Synchronous DRAM 533/667 MHz 1.8V JEDEC 200-pin soDIMM You can install memory modules in any combinations as long as they match the above specifications. Memory Combinations 0MB 0MB 0MB 0MB 0MB 128MB 128MB 128MB 128MB 128MB 256MB 256MB 256MB 256MB 256MB 512MB 512MB 512MB 512MB 512MB 1024MB 1024MB 1024MB 1024MB 1024MB 1024MB 2048MB Slot 1 128MB 256MB 512MB 1024MB 2048MB 128MB 256MB 512MB 1024MB 2048MB 128MB 256MB 512MB 1024MB 2048MB 128MB 256MB 512MB 1024MB 2048MB 0MB 128MB 256MB 512MB 1024MB 2048MB 2048MB Slot 2 Total Memory 128MB 256MB 512MB 1024MB 2048MB 256MB 384MB 640MB 1152MB 2176MB 384MB 512MB 768MB 1280MB 2304MB 640MB 768MB 1024MB 1536MB 2560MB 1024MB 1152MB 1280MB 1536MB 2048MB 3072MB 4096MB NOTE: Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be reversed. 32 Chapter 1