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Lenovo 27763DU Retaining serial numbers, Select 2. Read S/N data from Eeprom, MTM on rear label

Models: 27763CU 27763DU 27763PU

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Retaining serial numbers

This section includes the following descriptions:

v“Restoring the serial number of the system unit”

v“Retaining the UUID”

v“Reading or writing the ECA information” on page 58

Restoring the serial number of the system unit

When the computer was manufactured, the EEPROM on the system board was loaded with the serial numbers of the system and all major components. These numbers need to remain the same throughout the life of the computer.

If you replace the system board, you must restore the serial number of the system unit to its original value.

Before replacing the system board, save the original serial number by doing the following:

1.Install the ThinkPad Hardware Maintenance Diskette Version 1.73 or later, and restart the computer.

2.From the main menu, select 1. Set System Identification.

3.Select 2. Read S/N data from EEPROM.

The serial number of each device in your computer is displayed; the serial number of the system unit is listed as follows:

v20: Serial number Write down that number.

Note: The serial number of the system unit is also written on the label attached to the bottom of the computer.

After you have replaced the system board, restore the serial number by doing the following:

1.Install the ThinkPad Hardware Maintenance Diskette Version 1.73 or later and restart the computer.

2.From the main menu, select 1. Set System Identification.

3.Select 1. Add S/N data from EEPROM. Follow the instructions on the screen.

If the MTM and Product ID numbers differ from each other on the rear label, use what is shown for the Product ID field. See example below:

MTM on rear label:

TTTT-CTO S/N SSSSSSS

Product ID on rear label:

TTTT-MMM (Use this number when setting Serial Number)

In the example, the Serial Number to be input is ’1STTTTMMMSSSSSSS’.

Retaining the UUID

The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and stored in the EEPROM of your system board. The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two computers in the world have the same number.

56ThinkPad X301 Hardware Maintenance Manual

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Lenovo 27763DU Retaining serial numbers, Select 2. Read S/N data from Eeprom, MTM on rear label, Product ID on rear label
Page 63 Page 65

27763CU, 27763DU, 27763PU specifications

The Lenovo models 27763PU, 27763DU, and 27763CU are part of the highly regarded ThinkPad series, known for their robustness and performance in business environments. Each of these laptops embodies Lenovo's commitment to delivering high-quality devices that cater to various user needs, from professionals to students.

The Lenovo 27763PU features a 14-inch display with Full HD resolution, providing crisp visuals ideal for work and multimedia. This model is powered by an Intel Core i5 processor, ensuring smooth multitasking and efficient performance across demanding applications. With up to 16GB of RAM and a fast SSD for storage, users can expect quick boot times and rapid file access. The laptop's lightweight design makes it portable, suitable for on-the-go professionals.

In contrast, the 27763DU and 27763CU models offer enhanced features for users who require even more power and versatility. The 27763DU is equipped with similar impressive display specifications but boasts an upgraded Intel Core i7 processor and an optional discrete graphics card, making it perfect for tasks such as graphic design or video editing. This model supports higher RAM configurations, allowing heavy multitasking without compromising performance.

The Lenovo 27763CU builds on the strengths of its predecessors by incorporating advanced technologies that enhance user experience. This model includes Lenovo's unique Rapid Charge technology, which allows the battery to charge quickly, offering hours of usage from just a short charging session. The inclusion of a backlit keyboard ensures productivity in low-light environments, while the precision touchpad and optional touchscreen display provide intuitive navigation and interaction.

All three models prioritize security and durability, featuring a robust chassis resistant to wear and tear. They come equipped with fingerprint readers, ensuring secure access to data and applications. Additionally, the ThinkShield security platform offers comprehensive protection for sensitive information, making these devices suitable for corporate standards.

In summary, the Lenovo 27763PU, 27763DU, and 27763CU deliver impressive performance, cutting-edge features, and a focus on security, appealing to a diverse range of users. Whether for business, education, or personal use, these laptops stand out as excellent choices for those looking for reliability and efficiency.