Acer Aspire 4339 Acer Aspire 4339 4739 4739Z Notebook Series Service Guide - Page 36

CPU Fan True Value Table) Temperature (°C) Fan Speed (RPM) Fan on = 45°C; Fan Off = 42°C 2350 Fan on = 50°C; Fan Off = 48°C 2800 Fan on = 58°C; Fan Off = 56°C 3100 Fan on = 63°C; Fan Off = 61°C 3500 Fan on = 82°C; Fan Off = 80°C 3850 Fan on = 92°C; Fan Off = 85°C 5V Throttling 50%: On =95°C; Off=90°C OS Shut down: 100°C H/W Shut down: 105°C SPL Spec (dBA) 28 31 34 37 40 N/A System Memory Item Specification Memory controller Built in at CPU Memory size DDRIII 800/1066 1 GB(128 Meg x 64) and 2 GB(256 Meg x 64) DIMM socket number 2 sockets Supports memory size per socket 1 GB Supports maximum memory size 4 GB per socket Supports DIMM type SDRAM memory interface design Note: Processor supports up to 1066 Mhz only Supports DIMM Speed 800/1066 SODIMM Support DIMM voltage 1.5V Supports DIMM package Standard 204P 1-26 Hardware Specifications and Configurations