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-74ECBGDBM manual Outline of Post, Error Diagnosis by Checking Beep Signal Sound
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CF-74ECBGDBM specifications

The Panasonic CF-74ECBGDBM is a rugged laptop designed to cater to the demanding needs of professionals who work in challenging environments. Built with durability as a top priority, this device serves as an ideal solution for industries such as public safety, construction, and field service.

One of the standout features of the CF-74ECBGDBM is its rugged design. The laptop is compliant with military standards, specifically MIL-STD-810G, ensuring it can withstand harsh conditions. This includes resistance to drops, vibration, dust, and moisture, allowing users to operate it in rain or shine without fear of damage. The spill-resistant keyboard adds another layer of protection, making it suitable for environments where liquids are prevalent.

In terms of performance, the CF-74ECBGDBM is equipped with a powerful processor, which provides efficient multitasking capabilities. The device typically features an Intel Core i5 processor, enabling smooth operation of demanding applications. Coupled with a sufficient amount of RAM, users can expect enhanced speed and productivity, even when running multiple programs simultaneously.

The laptop features a sunlight-readable display, which ensures visibility in bright outdoor conditions. The screen is designed to reduce glare, making it user-friendly for professionals who work outside regularly. Additionally, the display is supported by a durable touchscreen option, allowing for easier navigation in various working conditions.

Storage is another critical aspect of the CF-74ECBGDBM, as it often comes with solid-state drive options that not only provide ample memory for files and applications but also enhance the overall speed and reliability of the system. Users can rely on fast read and write speeds, which are essential for data-heavy tasks.

Connectivity options are abundant on this device, featuring USB 3.0 ports, HDMI output, and options for mobile broadband. This allows users to connect various peripherals or external displays easily, as well as maintain seamless internet access on the go.

Furthermore, the CF-74ECBGDBM is equipped with a long-lasting battery that supports extended periods of use, ideal for professionals who spend time away from traditional power sources. The device is designed for easy serviceability, facilitating upgrades and repairs, which enhances its lifespan in demanding workplaces.

Overall, the Panasonic CF-74ECBGDBM stands out as a robust and versatile laptop that meets the needs of users in tough outdoor and industrial settings, making it a reliable companion for professionals on the move.
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