2.4 System Board Troubleshooting

2 Troubleshooting Procedures

Table 2-5 Printer port LED boot mode status (2/7)

LED Status

Test item

Message

 

 

 

(B7h)

Memory type check

 

 

 

 

 

Initialization of cache Bus L2

 

 

configuration

 

 

 

 

 

Permission of cache

 

 

 

 

 

Prohibition of L2 cache

 

 

 

 

 

Memory clear

 

 

 

 

B9h

Setting of TASK_1ms_TSC

 

 

 

 

 

FAN control

 

 

 

 

 

Sound controller initialization (for

Enabling system speaker setting

 

beep)

 

 

 

 

 

Controlling LED instead of display

Reading security status

 

massage

 

 

 

 

 

 

 

Reading policy

 

 

 

 

 

(When reading error above is occurred, beep sounds

 

 

every one second for thirty seconds)

 

 

 

 

Key input

Sound beep

 

(Key input is skipped when the

 

 

BIOS is damaged)

 

 

 

 

 

Reading CHGBIOS.EXE

FDC reset

 

 

 

 

 

Setting of parameter for 2HD (1.44MB), transmission rate

 

 

 

 

 

Reading first sector

 

 

 

 

 

When using 2HD (1.44MB), go to Search of entry for

 

 

CHGBIOSA.EXE

 

 

 

 

 

Setting of parameter for 2DD (720KB), transmission rate

 

 

 

 

 

Search of CHGBIOSA.EXE from route directory

 

 

 

 

 

Calculation of directory start head, sector

 

 

 

 

 

Reading contents of route directory by one sector

 

 

 

 

 

Search of entry for "CHGBIOSA.EXE" from the sector

 

 

read

 

 

 

 

 

Reading of EXE header of "CHGBIOSA.EXE" key input

 

 

when an error occurred

 

 

 

 

 

Execute "CHGBIOSA.EXE"/"CHGFIRMA.EXE"

 

 

 

00h

CHECK_SYSTEM

 

 

 

 

 

Prohibition of cache

 

 

 

 

 

Initialization of special register and

 

 

Intel chipset

 

 

 

 

 

PIT CH1 initialization

(Setting refresh interval to 30ms)

 

 

 

TECRA M2 Maintenance Manual (960-468)

2-21

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Image 75
Toshiba tecra m2 manual Chgbiosa.Exe

tecra m2 specifications

The Toshiba Tecra M2 is a versatile and robust laptop that was designed for business professionals and mobile users. Released in the early 2000s, this model earned a reputation for its reliability, performance, and build quality. It combines essential features that provide a seamless computing experience, making it an appealing choice for those seeking a portable yet capable device.

One of the defining characteristics of the Tecra M2 is its lightweight design. Weighing in at approximately 4.5 pounds, the laptop is easy to carry, making it suitable for frequent travel. The sleek profile and durable chassis ensure that it withstands the rigors of daily use.

The Tecra M2 is equipped with a high-resolution 15-inch display, offering a comfortable viewing area for both work and multimedia tasks. With a resolution of up to 1400x1050 pixels, the screen delivers sharp images and vibrant colors, enhancing productivity during presentations or while editing documents.

Powering the Tecra M2 is an Intel Pentium M processor, which helps to optimize battery life while providing sufficient performance for most business applications. This processor, combined with the laptop's up to 2GB of RAM, allows users to run multiple applications simultaneously without experiencing lag.

In terms of storage, the Tecra M2 supports a variety of configurations, including hard drives that range from 40GB to 80GB. This flexibility allows users to choose a setup that best fits their storage needs and usage patterns. Additionally, the laptop offers an optical drive for reading and writing CDs and DVDs, which was essential for data transfer and multimedia consumption during its time.

Connectivity is another strong point for the Tecra M2. It features multiple ports, including USB 2.0, Ethernet, and VGA, ensuring compatibility with a wide array of peripherals and networks. Wireless connectivity options such as Wi-Fi allow users to stay connected wherever they go, enhancing its appeal for mobile professionals.

The Tecra M2 is also designed with user comfort in mind. The keyboard is well-spaced and provides a satisfying tactile feedback, making typing efficient for extended periods. Its ergonomic design helps reduce strain on the hands, which is crucial for those who spend long hours working on their laptops.

In summary, the Toshiba Tecra M2 stands out for its combination of portability, performance, and durability. With its solid construction, respectable specifications, and a range of connectivity options, it addresses the needs of business users looking for a trustworthy computing solution during the early 2000s.