Checkpoint
(hex)
Description
F77 Resync to SP (Recovery Image)
F79 Dumps contents of NVRAM data area to a file
F7A NVRAM Initialization
F7B Check NVRAM validity CRC
F7C Loads contents of CMOS from file
F80 Initialize system call table
F82 Register a manager for use by the system
F88 Halt. System locked by error condition -- power off.
F90 Initialize VDISK file system
F91 Low-level initialize VDISK file systems
F94 Start SCSI initialization
F96 SCSI bus scan start
F97 SCSI polling interrupt
F98 SCSI device detected
F9F Exit SCSI initialization
FA0 Start resident monitor, run V:autoexec.6md - initializes various subsystems - video,
keyboard/mouse, extended memory, diskette, SCSI, etc.
FA1 Enter resident monitor
FA2 Resident monitor process
FA3 Resident monitor process
FA4 Exit resident monitor
FA5 ASCII terminal initialization
FA6 ASCII terminal initialization exit
FA9 p9 driver initialization
FAA p9 driver exit
FAB Keyboard driver initialization
FAC Keyboard driver exit
FAD Mouse driver initialization
FAE Mouse driver exit
FB0 Initialize rest of file system
FB1 Diskette initialization
FB2 Diskette drive type determination
FB3 Diskette initialization complete
FC0 Check if flash ROM OK
FCA Build boot table - Networks
FCB Build boot table - DASD
FCC Build boot table - CD ROM
FCD Build boot table - diskettes
FCE No Operating System boot, exit normal boot sequence
FD0 Start of boot sequence
FD2 No Operating System boot - ensure CMOS RTC periodic clock updates displayed
FD4 Initialize console for loading diagnostics
FD8 Exit from diagnostic - run resident monitor
FDA IRQ 15
FDB Unexpected processor exception
FDC Unexpected external interrupt exception
FDD Early processor exception
FDE Shutdown entire file system
FE1 Test Timeout
FE2 Initialize System I/O
FE4 Initialize Super I/O with default values
Appendix A. Firmware Checkpoint Three-Digit Codes A-3
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