Toshiba Satellite L630 Maintenance Manual page 27

1.2 System Unit Components
Digital microphone interface with internal MIC boost supporting
Jack sense detects up to 4 jacks using only one sense pin
Digital Mixer
+3.3V analog and I/O operation; uses Vaux for power management modes
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
EC
Battery EEPROM
24C02 equivalent (128 words x 16 bits, I2C interface) integrated in battery pack
Clock Generator
ICS ICS9LPRS3197
LAN Controller
Satellite/Satellite Pro/L630/L635
− 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
Maintenance Manual
1 Hardware Overview
15