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1.2 System Unit Components 1 Hardware Overview
Satellite/E200/E205 Maintenance Manual 15
KBC/EC (Keyboard Controller/Embedded Controller)
A KBC WINBOND WPCE781L 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 ICS9LRS3197
Generating the clock signal required for the system
LAN Controller
Atheros AR8152-AL1 - 10/100Mbit
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