Chapter 1 21USB PortItems SpecificationsUniversal UHCI USB 1.1Universal EHCI USB 2.0USB Class Support legacy keyboard for legacy modeMain Board Major ChipsItem ControllerNorth Bridge Intel 865G/865GVSouth Bridge Intel ICH5R/ICH5Super I/O controller SMSC LPC 47M192Audio Codec Realtek ALC202 ALAN controller Broadcom 5705HDD controller Built-in Intel® ICH5R/ICH5Keyboard controller Built-in Intel® ICH5R/ICH5RTC Built-in Intel® ICH5R/ICH5Environmental RequirementsItem SpecificationsTemperatureOperating +10 to +35°CNon-operating -10 to +60°CNon-operating -20 to +60°C (Storage package)HumidityOperating 15% to 80% RH, non-condensingNon-operating 15% to 80% RH, non-condensing (Unpacked)Non-operating 15% to 80% RH, non-condensing (Storage package)VibrationOperating:Sweep rate:Direction:Test cycles:5~16.2 Hz 0.38mm (peak to peak)16.2~250 Hz 0.2G1 octave/minuteX, Y, Z axis2 cycles per axisNon-operating:(Packed)Sweep rate:Direction:Test cycles:5~27.1 Hz 0.6G27.1~50 Hz 0.4mm (peak to peak)50~500 Hz 2.0G0.5 coactive/minuteX, Y, Z axis4 cycles per axisSwitching Power SupplyA-1 Input frequencyNormal Frequency Frequency Variation Range50Hz 47Hz to 53Hz60Hz 57Hz to 63Hz