ITEM: DP3831L

F50 will not boot from CDROM

ENV:          AIX 4.2.1, 7025 Model F50

PROBLEM:      Customer is trying to install AIX on an F50 but cannot
              boot into service.
ACTION TAKEN: Had customer hold down the 5 key upon startup to access
              the cdrom to boot off of.   This did not work and we
              tried twice.
.              Verified that customer is using an AIX 4.2.1 install CD.
              There is no graphics adapter installed in the system; 
              customer is using an ASCII terminal connected to the S1
              port.
.              Had customer shutdown the system and go into SMS by
              hitting the '1' key after the \ mnemonic appeared
              on the screen.
.              We then selected "multiboot", "select boot device" and
              "display current settings".  Currently, only the disk
              drive is listed as a boot device.
.              Had customer go back to the previous menu and restore the
              default settings.  We then went back to check the current
              settings, and they are correct:
                  diskette cdrom, tape, disk, ethernet
.              Went back to the main SMS menu and selected "Display
              Configuration".  The firmware level is WIL97094.
.              We rebooted the system and got the following message:
                  PreP-boot  could not open deblocker
.              Found the following steps to try in Austext:
              1) After the keyboard icon appears, press F1 on the
                 native keyboard or 1 on the tty keyboard.
                 This will present the SMS interface.
              2) Select "Multiboot" from the SMS menu.
              3) Select "Install" from the Multiboot menu.
              4) Select the cdrom drive.
.              However, we couldn't select the CDROM drive.
.              Further research revealed an alternative method:
              1) Go to the main SMS menu and hit the '8' key.  This
                 will get you to an "ok>" prompt.
              2) From there, type in this EXACT command (these are
                 backslashes):
.                     boot cdrom:\\ppc\\chrp\\bootfile.exe
.              Customer is seeing messages about starting up physical
              processor zero, one, two, etc.
.              Customer's now at the "Welcome to the Base Operating
              System Installation Assistant" screen.  He'll go ahead
              from here and reinstall the system.
.ACTION PLAN:  Close call.
.              This problem has been addressed by the firmware level
              WIL97286, Build Date 10/13/97, released 10/29/97.



Support Line: F50 will not boot from CDROM ITEM: DP3831L

Dated: February 1998 Category: N/A

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