1 Hardware Overview 1.2 System Unit Components
14 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual
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
Hudson M2/M3 Integrated Clock Generator
− Generating the clock signal required for the system
LAN Controller
ATHEROS_AR8162- 10/100Mbit
− IEEE 802.3 10BASE-T/100BASE-TX compliant 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
Wireless LAN Controller
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