Tried with a VGA monitor, that produces identical results to the scope display. A momentary screen with horizontal lines and no text.
The console port revealed the following result, wondering where to start looking.
DRAM test passed.
Bootrom Header Checksum passed.
Bootrom Total Checksum passed.
BootRom Check Sum passed.
Bus Error Timeout test passed.
Kernel Diagnostics Complete.
Calling SDM (monitor) Routine.
Enabling Bus Control register. Value = 0x67
IMR 1 Register test passed.
Misc. Register test passed.
Timer Interrupt test (Auto-Vector) passed.
NVRam DSACK test passed.
NVRam Write protected.
Flashrom DSACK and JumpCode test passed.
Flashrom Checksums passed.
Bootrom Diagnostics Complete.
DipSwitchValue: 0
Skipping boot loader.
Transferring control to FlashROM.
No PCMCIA option board detected.
FLOPPY: Detected
Adding 6256 symbols for standalone.
CPU: 68EC040. Processor #0.
Memory Size: 0x800000. B
Executing Diagnostics
-> ERRORID: 356 nv storage too small more bytes requested than available
Start Power-On Diag Sequence
hwAccountant probe routines
Probe for unexpected pending ints
Dsp Instr mem size
Dsp D2 mem size
Dsp D1 mem size
Dsy Vect0 mem size
Dsy Vect1 mem size
Dsy Wfm0 mem size
Dsy Wfm1 mem size
Dsy Text0 mem size
Dsy Text1 mem size
Acq number of digitizers
Acq mem size
Cpu timer interval uSec
Cpu Dram size
NvRam mem size
Limit to 1GS/sec presence
Opt Math Package prese
Opt Telecom Masks presence
Opt 3C presence
Opt 4C presence
Opt RS232/ Cent presence
Opt 1M presence
Opt 2M presence
Acq Intlv Cal Id presence
Opt TvTrig presence
Opt TvTrig index
Dsy color presence
Opt floppy drive presence
Opt hard drive presence
Acq number of user channels
dspForcedBus ................... pass
cpuDiagD2MiscReg ............... pass
cpuDiagDSPIntMaskReg ........... pass
cpuDiagDsyAccess ............... pass
dsp68kMemTest .................. ***FAIL***
..error details:
ERRORID: 162 diagnostic test failure dsp68kInMemTest
** addr = 0x7000000 exp data = 0x55555500 actual = 0x5555ff00
** addr = 0x7000004 exp data = 0x55555500 actual = 0x5555ff00
** addr = 0x7000008 exp data = 0x55555500 actual = 0x5555ff00
** addr = 0x700000c exp data = 0x55555500 actual = 0x5555ff00
** addr = 0x7000010 exp data = 0x55555500 actual = 0x5555ff00
** addr = 0x7000014 exp data = 0x55555500 actual = 0x5555ff00
** addr = 0x7000018 exp data = 0x55555500 actual = 0x5555ff00
calLibrarianDefaultCk .......... pass
dspForcedBus ................... pass
acqProcThermistor .............. pass
trigGtlRegisterDiag ............ pass
trigBtlRegisterDiag ............ pass
ch1EdgeTrigDiag ................ pass
lineTrigDiag ................... pass
dlyTrigDBTRunsAfter ............ pass
slewrateTrigDiag ............... pass
trigAttenSerialReg ............. pass
trigPreampSerialReg ............ pass
trigDTCSerialReg ............... pass
trigExtlSerialReg .............. pass
trigDacSerialReg ........
TICountersDiag ................. pass
gtlBigCountersDiag ............. pass
trigBtlConfidenceDiag .......... pass
trigGtlCompRamDiag ............. pass
digRegisterConf ................ pass
digSpecialRegisterConf ......... pass
fpDiagConf ..................... pass
optDiagPM110Reg ................ pass
optDiagFloppyCacheMem .......... pass
optDiagFloppyControllerIO ......0x5fffe80 (tRootTask): libError 356, lib EXTCAL,
id=356, msg=more bytes requested than available
pass
optDiagFloppyDrive ............. pass
optRS232DuartIO ................ UNTESTED
optRS232DuartIntLoop ........... UNTESTED
optCentronCntrlReg ............. UNTESTED
optTv8bitRegDiag ............... pass
optTvShiftRegDiag .............. pass
optTvXparentCodes .............. pass
optTvDontCareCodes ............. pass
optTvEdgeAndLevel .............. ***FAIL***
..error details:
ERRORID: 162 diagnostic test failure optTvEdgeAndLevel
+edge SWT0-SIG1, no NTRIG2 output
+edge SWT1-SIG1, no NTRIG2 output
+edge SWT0-SIG2, no NTRIG2 output
+edge SWT1-SIG2, no NTR
Executing Smalltalk
ERRORID: 356 nv storage too small more bytes requested than available
hwAccountant probe routines
Probe for unexpected pending ints
Dsp Instr mem size
Dsp D2 mem size
Dsp D1 mem size
Dsy Vect0 mem size
Dsy Vect1 mem size
Dsy Wfm0 mem size
Dsy Wfm1 mem size
Dsy Text0 mem size
Dsy Text1 mem size
Acq number of digitizers
Acq mem size
Cpu timer interval uSec
Cpu Dram size
NvRam mem size
Limit to 1GS/sec presence
Opt Math Package presence
Opt Telecom Masks presence
Opt 3C presence
Opt 4C presence
Opt RS232/ Cent presence
Opt 1M presence
Opt 2M presence
Acq Intlv Cal Id presence
Opt TvTrig presence
Opt TvTrig index
Dsy color presence
Opt floppy drive presence
Opt hard drive presence
Acq number of user channels
0x5fffe80 (tRootTask): libError 356, lib EXTCAL, id=356, msg=more bytes requeste
d than available
can't open input 'fd0:/startup.bat'
errno = 0x13 (S_errno_ENODEV)
Smalltalk/V Sun Version 1.12
Copyright (C) 1990 Object Technology International Inc.
ERRORID: 162 diagnostic test failure extended cal librarian reset
