2 Troubleshooting Procedures

2.4 System Board Troubleshooting

Table 2-5 Printer port LED boot mode status (3/7)

LED Status

Test item

Message

 

 

 

01h

Check of DRAM type and size

(Reading DRAM size at Warm Boot)

 

 

 

 

 

(DRAM check at Cold Boot))

 

 

 

11h

Check of DRAM size

(HLT when the DRAM type is 0)

 

 

 

 

SM-RAM stack area test

(HLT when the stack area can not be used.)

 

 

 

02h

Cache configuration (L1 cache

 

 

only)

 

 

 

 

 

CMOS access test

(at Cold Boot) (HLT when an error is detected.)

 

 

 

 

Battery level check of CMOS

 

 

 

 

 

CMOS checksum check

 

 

 

 

 

Initialization of CMOS data (1)

 

 

 

 

 

Setting of IRT status

(Boot status, the remaining bit is 0.)

 

 

 

 

Storing DRAM size in CMOS

 

 

 

 

03h

Resume branch (at Cold Boot)

Not resume when a CMOS error occurred

 

 

 

 

 

Not resume when resume status code is not set

 

 

 

 

Resume error check

SM-RAM checksum check (Resume error 0F4H)

 

 

 

 

 

Check of memory configuration change

 

 

 

 

 

RAM area checksum check in system BIOS (Resume

 

 

error 0FAH)

 

 

 

 

 

PnP RAM checksum check (Resume error 0F8H)

 

 

 

 

 

PIT test and initialization (HLT when refresh signal is not

 

 

changed)

 

 

 

 

 

Initialization of PIT CH0 (Setting of timer interrupt interval

 

 

to 55ms)

 

 

Initialization of PIT CH2 (Setting of sound generator

 

 

frequency to 664Hz)

 

 

Transition to RESUME-MAIN

 

 

 

 

Resume error process

Reset of CPU clock to low

 

 

 

 

 

Prohibition of all SMI

 

 

 

 

 

Clearance of resume status

 

 

 

 

 

Return to ROM

 

 

 

 

 

Initialization of memory map

 

 

 

 

 

Setting of resume error request

 

 

 

 

Boot mode process (Not resume)

Check hibernation from S4 OS

 

 

 

 

 

Check hibernation status code

 

 

 

 

 

ROM/RAM copy of system BIOS (HLT when copied

 

 

BIOS checksum error)

 

 

 

2-22

TECRA M2 Maintenance Manual (960-468)

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Toshiba tecra m2 manual Tecra M2 Maintenance Manual

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.