Toshiba A105 S4064 Maintenance Manual - Page 31
KBC/EC Keyboard Controller/Embedded Controller, Universal I/O port - fan
UPC - 032017706019
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1.2 System Unit Components 1 Hardware Overview ? KBC/EC (Keyboard Controller/Embedded Controller) A single KBC 1100L chip is used to serve as KBC/ EC and Super IO. ? KBC ? Scan controller function ? Interface controller function ? EC ? Power supply sequence control ? Overheat shutdown support ? LED control ? Beep control ? Device ON/OFF ? Cooling fan speed control ? Universal I/O port ? Battery capacity check ? Flash memory reprogramming function ? EC access interface ? I2C communication control ? ? Battery EE PROM ? 24C02 equivalent (128 words x 16 bits, I2C interface) integrated in the battery pack ? Storing records of battery use ? Clock Generator ? ICS9LP306 ? Generating the clock signal required for the system ? Modem Controller ?Built-in MDC card with askey ? Functions of the modem controller: ? Digital signal conductor protection ? Ring wake-up support ? Communication codes supported: For data communication: V.90(China)/V.92 data rates: 28kbps/56kbps V.34 Extended rates: 33.6K/2400/V.32 turbo, V.32bits,and fallbacks Satellite A100/A105 / TECRA A7 Maintenance Manual 13