Table of Contents
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- Others
• PWM control
• Beep volume
• Speaker control
• Universal I/O port
• Q-SW control
Modem Interface Gate Array
This gate array controls modem interface LSIs.
Video Controller
Chips & Technologies F65550 is used.
This video controller controls the internal LCD and an external monitor.
Keyboard Controller (KBC)
One M38813E4 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 of bytes memory. Fourteen bytes memory are used for the cal-
ender and clock. The remaining 114 bytes are used for the system configuration data.
1-8
650CT
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Table of Contents
Troubleshooting
