Acer Extensa 4420 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 128

System Controllers Item WLAN controller Specification Options include: T Intel PRO/Wireless 3945ABG Network Connection T Intel Wireless Wi-Fi Link 4965AGN T Intel PRO/Wireless 2200BG Network Connection Memory Item Memory controller DIMM slot number Maximum memory size per socket Maximum memory DIMM type Provider Model DIMM size DIMM speed Intel 82945PM 2 2048 MB Specification 4 GB (2 GB soDIMM installed in both DIMM slots) DDR II synchronous DRAM Hynix Nanya HYMP564S64C P6-Y5 AB HYMP512S64C P8-Y5 AB NT512T64UH8B0FN-3C 512 MB 1 GB 512 MB 667 MHz Memory Population Options The following table lists possible system memory configurations. You may combine DIMMs of various capacities to form other combinations. The configuration for slot 1 and slot 2 could be reversed. 0 MB 0 MB 0 MB 0 MB 256 MB 256 MB 256 MB 256 MB 512 MB 512 MB 512 MB 512 MB 1024 MB 1024 MB 1024 MB 1024 MB 1024 MB 2048 MB 2048 MB 2048 MB 2048 MB 2048 MB Slot 1 256 MB 512 MB 1024 MB 2048 MB 256 MB 512 MB 1024 MB 2048 MB 256 MB 512 MB 1024 MB 2048 MB 0 MB 256 MB 512 MB 1024 MB 2048 MB 0 MB 256 MB 512 MB 1024 MB 2048 MB Slot 2 Total Memory 256 MB 512 MB 1024 MB 2048 MB 512 MB 768 MB 1280 MB 2304 MB 768 MB 1024 MB 1536 MB 2560 MB 1024 MB 1280 MB 1536 MB 2048 MB 3072 MB 2048 MB 2304 MB 2560 MB 3072 MB 409 6MB 118 Appendix C