1 Hardware Overview 1.2 System Unit Components
12 Satellite E100/E105 Maintenance Manual
Card Bus Controller
y R5C833
− PCI-1394 bridge interface
− SD/Mini SD/SD-IO/MS/MS Pro/MMC/XD Card Controller
− PCI Bus interface
y R5C837
− SD/Mini SD/SD-IO/MS/MS Pro/MMC/XD Card Controller
− PCI Bus interface
Audio Controller
Realtek ALC268 integrated audio controller supports multimedia. The sound system
feature contains the following:
y 2 Stereo DACs support 16/20/24-bit PCM format for stereo audio playback.
y 2 stereo ADCs support 16/20-bit PCM format for two stereo independent sound inputs.
y 16/20/24-bit S/PDIF-OUT supports 44.1K/48K/88.2K/96K/192KHz sample rate.
y All ADCs support 44.1K/48K/96KHZ sample rate.
y 4 GPIOs(GPIO0/GPIO3 are digital GPIO shared with digital MIC interface,
GPIO1/GPIO2 are analog) for customized applications.
y High quality analog differential CD input.
y 2 jack detection pins each designed to detect up to 4 jacks.
y Supports hardware digital volume control for digital microphone input.
y Supports external PCBEEP input and built-in digital BEEP generator.
−
��� KBC/EC (Keyboard Controller/Embedded Controller)
A single KBC WPCE775x chip is used to serve as KBC/ EC and Super IO.
y KBC
− Scan controller function
− Interface controller function
y EC
− Power supply sequence control
− Overheat shutdown support
− LED control
− Beep control
− Device ON/OFF
− Cooling fan speed control