Toshiba E205 Manual Do Utilizador

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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