Toshiba Satellite 110 Series Maintenance Manual page 7

PC Card Controller Gate Array (PCMCIA-GA)
This gate array's functions:
• PCMCIA memory card control
• PCMCIA I/O card control
I/O Controller Gate Array (IOCNT-GA)
This gate array's functions:
• Internal Communication controller
- KBC, main CPU communication register file
- KBC interrupt controller
- KBC communication controller
2
- I C bus control (Not used)
• Others
- Speaker volume adjust PWM control
- Sound board interface (Not used)
- BIOS-ROM interface
- SMI control
- IrDA (SIR) control (Not used)
Video Controller
C&T F65548 is used.
This video controller controls internal DSTN/TFT color LCD and external SVGA
compatible CRT.
Keyboard Controller (KBC)
One M38802M4 chip is used.
This KBC includes the keyboard scan controller and keyboard interface controller.
The KBC controls the internal keyboard, external keyboard, and PS/2 mouse.
AccuPoint Controller (IPSC)
One KPAAC0062A chip is used.
This controller provides simultaneous control of both the AccuPoint and a
PS/2 mouse.
Real Time Clock (RTC)
One T9934 chip is used.
The T9934 has 128 bytes of memory. Fourteen bytes of memory are used for the
calendar and clock. The remaining 114 bytes are used for the system configuration
data.
110 Series
1-7