Acer Aspire 4739 Acer Aspire 4339 4739 4739Z Notebook Series Service Guide - Page 49

USB Port Item USB compliance level EHCI Number of USB port(s) Location Output Current Specification Universal Serial Bus 2.0 2 3 1 left side, 2 right side 1.05V HDMI Port Item Compliance level Data throughput Number of HDMI port(s) Location Specification HDMI1.3a Up to 16.7 million colors 1 1 left side AC Adapter Item Vendor Input rating Maximum input AC current Inrush current Efficiency Specification DELTA/Lite-On 100-240V~1.7A(1,7A) 50-60Hz 264 Vrms 264 Vac (Cold/Hot start) No damage; meet fuse and bridge diode I2t de-rating. Meets EPA 2.0 level V requirement. The adapter efficiency shall be more than 87%, that is the average value of 25%, 50%, 75% and 100% load with both 115Vac/60Hz and 230Vac/50Hz input voltage condition. Hardware Specifications and Configurations 1-39