1 Hardware Overview

1.8 Power Supply

1.8Power Supply

The power supply supplies 12 different voltages to the system board.

The power supply micro controller has the following functions.

1.Judges that the DC power supply (AC adapter) is connected to the computer.

2.Detects DC output and circuit malfunctions.

3.Controls the battery icon, and DC IN icon.

4.Turns the battery charging system on and off and detects a fully charged battery.

5.Turns the power supply on and off.

6.Provides more accurate detection of a low battery.

7.Calculates the remaining battery capacity.

8.Controls the transmission of the status signal of the main battery.

Table 1-11 lists the power supply output specifications.

Table 1-11 Power supply output specifications(1/2)

Name

Voltage [V]

Use

 

 

 

PPV

0.748 - 1.468

CPU

 

 

 

1R2-P1V

1.2

GMCH-M

 

 

 

PTV

1.05

CPU,GMCH,ICH4-M

 

 

 

2R5-B2V

2.5

GMCH-M, DDR MEM

 

 

 

1R25-P1V

1.25

GMCH,DDR MEM

 

 

 

LAN-E3V

3.3

ICH4-M,82562ET

 

 

 

B3V

3.3

PC Card Cont (YEBISU3S),PC Card

 

 

 

 

 

CPU Temperature Sensor (ADM1032), Clock Generator (CK408),

P3V

3.3

ICH4-M, TV Encoder, LCD, 1394, FWH, Mini PCI,

 

 

Sound Codec (AD1981), SD Card, Modem

 

 

 

E5V

5

USB Port

 

 

 

B5V

5

PC Card

 

 

 

P5V

5

Touch PAD, FL Inverter, ODD, KB LED, Other LEDs, HDD,

Mini PCI, Bluetooth, Cooling Fan

 

 

 

 

 

SND-P5V

5

AD1981, Sound Amplifier

 

 

 

15-EBV

10 - 15

Pull-up

 

 

 

1R8-C1V

1.8

1R5-C1V Power Circuit

 

 

 

1R8-P1V

1.8

CPU, GMCH, ICH4-M

 

 

 

1-18

PORTEGE A100 Maintenance Manual (960-460)

Page 31
Image 31
Toshiba A100 manual Hardware Overview Power Supply, Power supply output specifications1/2, Name Voltage Use

A100 specifications

The Toshiba A100 series represents a notable range of laptops that combines performance and versatility, catering specifically to the needs of both casual users and professionals. Launched with an emphasis on multimedia capabilities and productivity, the A100 series showcases an array of features designed to enhance the user experience.

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Under the hood, the A100 series is powered by Intel’s core processors, which offer a balanced blend of performance and power efficiency. This enables smooth multitasking and quick application launches, ensuring that users can handle demanding tasks without lag. The inclusion of generous RAM options allows for an enhanced computing experience, making this laptop suitable for both work and entertainment.

The display of the Toshiba A100 is another highlight, often featuring a vivid, high-resolution screen that delivers sharp images and vibrant colors. This makes it an excellent choice for watching movies, editing photos, or simply enjoying everyday tasks. Additionally, some models in the series offer an anti-glare coating, reducing reflections and providing a more comfortable viewing experience in various lighting conditions.

Connectivity options are comprehensive, with multiple USB ports, HDMI outputs, and a multi-card reader. This ensures that users can easily connect to peripherals, external displays, and transfer files with ease. The inclusion of Wi-Fi and Bluetooth capabilities facilitates seamless integration into modern home and office environments.

Furthermore, the Toshiba A100 series includes advanced audio technologies, such as built-in stereo speakers that enhance the multimedia experience. The laptop often features Toshiba's sound enhancement technologies, delivering clear and dynamic sound for music, movies, and video calls.

Lastly, battery performance is a critical aspect of the Toshiba A100 series. Many models are optimized for extended use, allowing users to work or play for hours on a single charge. This combination of efficient hardware and thoughtful design results in a laptop that not only meets but exceeds the expectations of its users.

In conclusion, the Toshiba A100 series stands out with its robust performance, impressive display, and user-friendly features, making it a compelling choice for those seeking a reliable and stylish laptop for various applications.