1.2 System Unit Components
1 Hardware Overview
Satellite A100/A105 / TECRA A7 Maintenance Manual
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KBC/EC (Keyboard Controller/Embedded Controller)
A single KBC 1100L chip is used to serve as KBC/ EC and Super IO.
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KBC
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Scan controller function
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Interface controller function
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EC
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Power supply sequence control
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Overheat shutdown support
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LED control
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Beep control
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Device ON/OFF
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Cooling fan speed control
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Universal I/O port
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Battery capacity check
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Flash memory reprogramming function
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EC access interface
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I2C communication control
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Battery EE PROM
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24C02 equivalent (128 words x 16 bits, I2C interface) integrated in the battery pack
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Storing records of battery use
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Clock Generator
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ICS9LP306
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Generating the clock signal required for the system
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Modem Controller
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Built-in MDC card with askey
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Functions of the modem controller:
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Digital signal conductor protection
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Ring wake-up support
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Communication codes supported:
For data communication:
V.90(China)/V.92 data rates: 28kbps/56kbps
V.34 Extended rates: 33.6K/2400/V.32 turbo, V.32bits,and fallbacks
Summary of Contents for Satellite A100 Series
Page 2: ...ii S No ...
Page 15: ...Chapter 1 Hardware Overview ...
Page 16: ...1 Hardware Overview ii Satellite A100 A105 TECRA A7 Maintenance Manual ...
Page 53: ...2 Troubleshooting 2 4 System Board 2 10 Satellite A100 A105 TECRA A7 Maintenance Manual ...
Page 73: ...Chapter 3 Diagnostic Programs ...
Page 76: ......
Page 115: ...3 5 System Test 3 Diagnostic Programs Satellite A100 A105 TECRA A7 Maintenance Manual 39 ...
Page 146: ...Chapter 4 Replacement Procedures 4 1 ...
Page 147: ...4 Replacement Procedures 4 ii Satellite A100 A105 TECRA A7 Maintenance Manual ...
Page 154: ...4 Replacement Procedures 4 1 General 4 2 Satellite A100 A105 TECRA A7 Maintenance Manual ...
Page 222: ...6000 1 Appendices ...
Page 223: ...Appendices App ii Satellite A100 A105 TECRA A7 Maintenance Manual ...