Toshiba Satellite A300-ST3511 Maintenance Manual page 28

1 Hardware Overview
Card Bus Controller
R5C833
Audio Controller
Realtek ALC268 integrated audio controller supports multimedia. The sound system
feature contains the following:
2 Stereo DACs support 16/20/24-bit PCM format for stereo audio playback.
2 stereo ADCs support 16/20-bit PCM format for two stereo independent sound inputs.
16/20/24-bit S/PDIF-OUT supports 44.1K/48K/88.2K/96K/192KHz sample rate.
All ADCs support 44.1K/48K/96KHZ sample rate.
4 GPIOs(GPIO0/GPIO3 are digital GPIO shared with digital MIC interface,
GPIO1/GPIO2 are analog) for customized applications.
High quality analog differential CD input.
2 jack detection pins each designed to detect up to 4 jacks.
Supports hardware digital volume control for digital microphone input.
Supports external PCBEEP input and built-in digital BEEP generator.
KBC/EC (Keyboard Controller/Embedded Controller)
A single KBC W775X chip is used to serve as KBC/ EC and Super IO.
KBC
EC
12 Satellite A300/Satellite Pro A300/EQUIUM A300/SATEGO A300 Maintenance Manual
− Manageability
− System Management Bus (SMBus 2.0)
− Intel High Definition Audio Controller
− Integrated FAN Speed Control
− PCI-1394 bridge interface
− SD/Mini SD/SD-IO/MS/MS Pro/MMC/XD Card Controller
− PCI Bus interface
−
− Scan controller function
− Interface controller function
− Power supply sequence control
− Overheat shutdown support
− LED control
− Beep control
− Device ON/OFF
1.2 System Unit Components