Appendix A. Updating system programs
This appendix contains information about updating POST/BIOS and how to recover from a POST/BIOS update failure.
System program
System programs are the basic layer of software that is built into your computer. They include the
Your computer system board has a module called electrically erasable programmable
Lenovo might make changes and enhancements to the POST/BIOS. When updates are released, they are available as downloadable files on the World Wide Web (see the Quick Reference). Instructions for using the POST/BIOS updates are available in a .txt file that is included with the update files. For most models, you can download either an update program to create a
Note: You can download a self starting bootable CD image (known as an .iso image) of the diagnostics program from http://www.lenovo.com/think/support to support systems without a diskette drive.
Updating (flashing) BIOS from a diskette or CD-ROM
To update (flash) the BIOS from a diskette or
1.Insert a system program update (flash) diskette or
2.Turn on the computer. If it is on already, you must turn it off and back on again. The update begins.
3.When you are prompted to select a language, press the number on your keyboard that corresponds to the language and then press Enter.
4.When prompted to change the serial number, press Y.
5.Type in the seven character serial number of your computer and then press Enter.
6.When prompted to change the machine type/model, press Y.
7.Type in the seven character machine type/model of your computer and then press Enter.
8.Follow the instructions on the screen to complete the update.
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