IBM RS6000 - 7026 - H70 Service Manual

Also see for RS/6000 7025 F50 Series: User guide Service guide Service guide

Table 3-5 (Page 7 of 10). Firmware Checkpoints.Checkpoint Description Action/Possible Failing FRUE1DD Early processor exception I/O board (See notes on 3-1.)See the note on 3-29.E1DE Alternating pattern of E1DE andE1AD is used to indicate a DefaultCatch condition before the firmware"checkpoint" word is available.1. I/O board (See notes on 3-1.)See the note on 3-29.E1DF Create diskette drive (disk) node See the note on 3-29.E1E0 Program flash See the note on 3-29.E1E1 Flash update complete See the note on 3-29.E1E2 Initialize System I/O See the note on 3-29.E1E3 PReP boot image initialization. See the note on 3-29.E1E4 Initialize Super I/O with defaultvalues.See the note on 3-29.E1E5 XCOFF boot image initialization. See the note on 3-29.E1E6 Set up early memory allocationheap.See the note on 3-29.E1E7 PE boot image initialization. See the note on 3-29.E1E8 Initialize primary diskette drive(polled mode).See the note on 3-29.E1E9 ELF boot image initialization. See the note on 3-29.E1EA Firmware flash corrupted, load fromdiskette.Ensure that the diskette installedcontains recovery image appropriatefor this system unit.The System Management Servicesrecovery procedure for the flashEEPROM should be executed. See“Update” on page 5-22.If the diskette is installed with thecorrect recovery image, thensuspect:1. Diskette2. Diskette drive3. Diskette cable4. I/O board (See notes on 3-1.)See the note on 3-29.3-38 Service Guide