Toshiba Satellite E200 Maintenance Manual page 27

1.2 System Unit Components
 KBC/EC (Keyboard Controller/Embedded Controller)
A KBC WINBOND WPCE781L chip is used to serve as KBC/EC and Super IO:
 KBC
 EC
 Battery EEPROM
 24C02 equivalent (128 words x 16 bits, I2C interface) integrated in battery pack
 Clock Generator
 ICS ICS9LRS3197
 LAN Controller
 Atheros AR8152-AL1 - 10/100Mbit
Satellite/E200/E205
 Scan controller function
 Interface controller function
 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
 Storing records of battery use
 Generating the clock signal required for the system
 IEEE802.3 10BASE-T/100BASE-TX physical layer interface
 IEEE 802.3u Auto-Negotiation support
 Digital Adaptive Equalization control
 10BASE-T auto-polarity correction
 LAN Connect interface
 Automatic detection of "unplugged mode"
 Remote boot (PXE 2.1)
 Smart power down when link is not detected
Maintenance Manual
1 Hardware Overview
15