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1 Hardware Overview
1.2 System Unit Components
14
TOSHIBA NB100 Maintenance Manual
y
2 stereo ADCs support 16/20-bit PCM format for two stereo independent sound inputs.
y
16/20/24-bit S/PDIF-OUT supports 44.1K/48K/88.2K/96K/192KHz sample rate.
y
All ADCs support 44.1K/48K/96KHZ sample rate.
y
4 GPIOs (GPIO0/GPIO3 are digital GPIO shared with digital MIC interface,
GPIO1/GPIO2 are analog) for customized applications.
y
High quality analog differential CD input.
y
2 jack detection pins each designed to detect up to 4 jacks.
y
Supports hardware digital volume control for digital microphone input.
y
Supports external PCBEEP input and built-in digital BEEP generator.
−
KBC/EC (Keyboard Controller/Embedded Controller)
A single ITE8521E-L chip is used to serve as KBC/ EC and Super IO.
y
KBC
−
Scan controller function
−
Interface controller function
y
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
y
24C02 equivalent (128 words x 16 bits, I2C interface) integrated in battery pack.
−
Storing records of battery use
Clock Generator
y
ICS9LPRS501
−
Generating the clock signal required for the system.
Содержание NB 100 Series
Страница 10: ...4 Replacement Procedure vi TOSHIBA NB100 Maintenance Manual Installing the Touch Pad Board 4 39 ...
Страница 12: ...Chapter 1 Hardware Overview TOSHIBA NB100 Maintenance Manual i ...
Страница 13: ...1 Hardware Overview ii TOSHIBA NB100 Maintenance Manual ...
Страница 20: ...1 1 Features 1 Hardware Overview Figure 1 2 Computer Block Diagram TOSHIBA NB100 Maintenance Manual 9 ...
Страница 21: ...1 Hardware Overview 1 1 Features Figure 1 3 System Board Configurations 10 TOSHIBA NB100 Maintenance Manual ...
Страница 32: ...2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 i 2 概要 Chapter 2 Troubleshooting ...
Страница 34: ...2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 iii ...
Страница 56: ...2 10Cooling Module 2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 21 ...
Страница 57: ...Chapter 3 Diagnostic Programs ...
Страница 60: ......
Страница 93: ...3 5 System Test 3 Diagnostic Programs TOSHIBA NB100 Maintenance Manual 33 ...
Страница 112: ...3 Diagnostic Programs 3 8 Video 52 TOSHIBA NB100 Maintenance Manual ...
Страница 116: ...3 Diagnostic Programs 3 10 Peripheral Check whether the orange led works normally 56 TOSHIBA NB100 Maintenance Manual ...
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Страница 124: ...Chapter 4 Replacement Procedures ...
Страница 125: ...4 Replacement Procedures 4 ii TOSHIBA NB100 Maintenance Manual ...
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Страница 175: ...6000 1 次 Appendices ...
Страница 184: ...Appendices Apx B Board Layout B 2 TOSHIBA NB100 Maintenance Manual Figure B 2 Board layout back ...