Acer Aspire 4250 Acer Aspire 4250 Notebook Service Manual - Page 49

VRAM (not available in this model) Item Chipset Memory size Interface Specification 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 Input rating Maximum input AC current Inrush current Efficiency Specification 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