Service Processor Checkpoints
Service processor checkpoints are in the range 8xxx to Bxxx. OK in the primary I/O
drawer’s operator panel indicates successful service processor testing and initialization.
Firmware checkpoints are listed in “Firmware Checkpoints” on page 147.
Note: A spinning (or twirling) slash will be shown in the upper right corner of the
operator panel display while some checkpoints are being displayed. If the slash
stops spinning, a hang condition is indicated.
Table 1. Service Processor Checkpoints
Checkpoint Description Action/
Possible Failing FRU
8000 Test of the service processor
DRAM
See note 1 on page 144
8004 Verify base code checksum See note 1 on page 144
8008 Verify base code mirror checksum See note 1 on page 144
8009 Set NVRAM configuration in TITAN See note 1 on page 144
800F Start base code See note 1 on page 144
8010 Start supervisor in base code See note 1 on page 144
8012 Initialize hardware interrupts See note 1 on page 144
8014 Allocate and initialize area in
DRAM
See note 1 on page 144
8016 Initialize debugger and build VPD See note 1 on page 144
8018 Initialize service processor
interfaces
See note 1 on page 144
801A Initialize external FLASH load See note 1 on page 144
801B Initialize and test ISA hub chip See note 1 on page 144
801C Initialize and test SUPER I/O chip See note 1 on page 144
801F Initialize diskette, verify VDASD
and start operational loader
See note 1 on page 144
809x Related to recovery mode system
firmware update from diskette
See note 3 on page 144
8092 Diskette initialization during
recovery mode system firmware
update
See note 3 on page 144
8098 Firmware image being read during
recovery mode system firmware
update
See note 3 on page 144
809C Firmware image being written
during recovery mode system
firmware update
See note 3 on page 144
809F Diskette error during recovery
mode system firmware update
See note 3 on page 144
8100 Start operational loader See note 1 on page 144
140 Service Guide
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