5 Power-On Self Test (Boot Check)

Outline of POST

The set has a boot check function called POST (Power-On Self Test) in it. The condition of the main body is diagnosed by checking beep sound or error code.

zStart .............Test begins automatically when power switch is set to ON.

zNormal finish .....After memory checking, a beep sound is issued once and the set is placed into automatic stop. Note: If no error occurs, nothing is displayed. (No display of OK, etc.)

Error Diagnosis by Checking Beep Signal Sound

The beep sound is as follows:

(1 (long sound) -2-3-4) (Length of bar shows length of sound.)

= long sound (about 0.4 sec.),

 

= short sound (about 0.2 sec.), Length between sounds is about 0.1 sec.

 

zTable of errors classified by beep sounds

Diagnosis

Beep signal sound

Error message

Main board

1(long sound)-2

BIOS ROM error

 

1-2-2-3

BIOS ROM error

 

1-3-1-1

RAM error

 

1-3-1-3

Keyboard controller error

 

1-3-4-1

RAM error

 

1-3-4-3

RAM error

 

1-4-1-1

RAM error

 

2-1-2-3

BIOS ROM error

 

2-2-3-1

Occurrence of unexpected offering

(Note) A beep sound is also issued in case of other I/O trouble.

5-1

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Panasonic CF-74CCBAXBM manual Power-On Self Test Boot Check, Diagnosis Beep signal sound Error message
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CF-74CCBAXBM specifications

The Panasonic CF-74CCBAXBM is a remarkable rugged laptop designed to cater to the demanding needs of professionals in various industries, including construction, utilities, and public safety. Known for its robust build quality and impressive specifications, the CF-74 is engineered to withstand harsh environments while delivering high performance.

One of the standout features of the CF-74 is its durability. The device is MIL-STD-810G certified, which means it meets military standards for toughness, making it resistant to water, dust, vibration, and drops. This ruggedness is complemented by a magnesium alloy chassis, which not only enhances durability but also keeps the device lightweight, thus promoting portability for users who are always on the move.

The laptop is equipped with a 14.0-inch daylight-readable display with a resolution of 1280 x 800 pixels, offering excellent visibility in various lighting conditions. This feature is especially useful for field workers who need to read the screen in bright sunlight. Additionally, the CF-74 supports multi-touch functionality, allowing for an intuitive user experience that improves productivity.

Performance-wise, the CF-74CCBAXBM is powered by Intel's Core i5 processors, providing sufficient processing power for demanding applications. Coupled with up to 8GB of RAM, users can run multiple applications smoothly without experiencing lag. The device also includes a range of storage options, allowing for HDDs or SSDs, which enhances speed and reliability.

Connectivity is another significant aspect of the CF-74's design. It comes equipped with multiple ports, including USB 3.0, HDMI, Ethernet, and serial ports, ensuring that users can easily connect to various peripherals and networks. Additionally, it offers optional features such as a built-in 4G LTE module for mobile data access, GPS functionality, and smart card readers for enhanced security.

In terms of battery life, the CF-74 is designed for long usage hours, making it suitable for extended work sessions in the field. The laptop also supports hot-swappable batteries, enabling users to replace batteries without shutting down the device, thus minimizing downtime.

Overall, the Panasonic CF-74CCBAXBM stands out as an excellent choice for professionals who require a rugged, reliable, and high-performance laptop to handle the challenges of demanding work environments. Its combination of durable design, robust performance, and extensive connectivity options makes it a valuable tool for those in need of a reliable mobile computing solution.
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