Unable to Boot an F50 From CD-ROM


OS Level: AIX Version 4.2.1
Type/Model: F50


After going through the System Management Services (SMS) menus and pressing F5 when booting, the user is still unable to boot a model F50 from the CD-ROM drive. The CD-ROM is operational because the user booted and installed an 850 desktop earlier the same day.


This is a microcode problem with the F50. To determine and obtain the latest level of microcode, go to http://www.rs6000.ibm.com/support/ micro/download.html.

The following steps are a workaround to this problem:

  1. At the main SMS menu, select the Install From menus and select the CD-ROM.


    At the main SMS menu, press the number 8 key to get an OK> prompt.

  2. Enter the following:
       boot cdrom:\ppc\chrp\bootfile.exe

  3. Generally, if the system cannot boot from the CD-ROM, the following error appears:
       prep boot: could not open deblocker

    If this happens, the firmware will have to be upgraded to the latest level of microcode.

[ Doc Ref: 9563493448652     Publish Date: Apr. 28, 2000     4FAX Ref: none ]