IBM 847661U Hardware Maintenance Manual - Page 19

Running the diagnostic test programs Note See "Diagnostic test programs" on page 7 for a description of the diagnostic programs that come with the server. Attention Do not discard the Enhanced Diagnostics Diskette. Store it in a safe place for later use. Make a backup copy of the IBM Enhanced Diagnostics information on a diskette. To do this: 1. Insert a blank, 3.5-inch, formatted 2 MB diskette into diskette drive A. 2. Use an operating-system command, such as the DOS DISKCOPY command, to make a complete backup copy of the Enhanced Diagnostics Diskette. Using the backup copy can prevent damage to the original diskette. The operating-system documentation provides information on backing up diskettes. 3. If applicable, follow any additional instructions on the screen. To start the IBM Enhanced Diagnostics using the backup Diagnostic Diskette, do the following: 1. Power-off the server and any attached devices. 2. Insert the IBM Enhanced Diagnostics backup diskette into diskette drive A. 3. Power-on all attached devices; then, power-on the server. 4. Follow the instructions on the screen. Power-on self-test (POST) messages If you receive an error message during the power-on self-test (POST), completing the steps outlined in this section might enable you to resolve the problem. Note. If you have just added, removed, or changed the location of a device and you receive an error message, you must reconfigure the server. Follow the procedure described in "Configuration/Setup utility program menus" on page 24. If the procedure in "Configuration/Setup utility program menus" on page 24 does not eliminate the error message, then proceed with the following instructions. 1. Write down all error code numbers and descriptions that appear on the screen as you start the server. (Note that a single problem can cause several error messages to appear. When you correct the cause of IBM Netfinity 3000 - Type 8476 11