1.Are the exact machine type and models

2.Have the same BIOS level

3.Have the same adapters/attachments in the same locations

4.Have the same address jumpers/terminators/cabling

5.Have the same software versions and levels

6.Have the same Diagnostics Diskette (version)

7.Have the same configuration options set in the system

8.Have the same setup for the operation system control files

Comparing the configuration and software set-up between working and non-workingsystems will often lead to problem resolution.

Chapter 4. General Checkout 47

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Lenovo 8085, 8177, 8175, 8084, 8149, 8126, 8148, 8147, 8176, 8174, 8179, 8178 manual General Checkout