Toshiba Satellite L655 - Page 27

1.2 System Unit Components 1 Hardware Overview
Satellite/Satellite Pro/L650/L655 Maintenance Manual 15
 Audio Director for Headphone and Internal Speakers Redirection
 Smart Audio GUI - advanced audio control
 KBC/EC (Keyboard Controller/Embedded Controller)
A KBC WINBOND NPCE781LA0DX 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 EEPROM
 24C02 equivalent (128 words x 16 bits, I2C interface) integrated in battery pack
 Storing records of battery use
 Clock Generator
 ICS ICS9LPRS3197
 Generating the clock signal required for the system
 Modem Controller
Built-in MDC card with Askey, Foxconn or Lite-On. Functions of modem controller:
 Digital signal conductor protection
 Ring wake-up support
 Azalia interface