Intermittent power supply problem? Sent from my iPhone
> On Aug 11, 2022, at 10:55, David Glover-Aoki via cctalk > <[email protected]> wrote: > > I have a recently recapped SE/30, and I have installed a SCSI2SD (v5.0a) > inside it. I don't have a (working) CD drive, and the floppy drive is broken, > so I configured SCSI device 3 to be a CD-ROM drive, and put the System 7.5.3 > installer inside it, along with a copy of the patched "HD SC Setup" utility, > so I can format the other SCSI devices, which are configured as 2GB hard > disks. > > Booting from the "CD" works fine. Formatting the disks works fine. > > I cannot get the System 7.5.3 installer to complete. After copying a few > files, it complains that an error occurred, and then aborts. > > Additionally, if I attempt to copy the contents of the "CD" to a hard disk, > after copying a few files, I get an error that says a "disk error" occurred. > It's not the same file every time, it copies a random number of files > successfully before erroring. > > I've have also had a few random bomb errors, although these do not happen > reliably and I haven't managed to come up with a way of causing them on > demand. They may have stopped after I swapped the RAM, although that is > speculation. > > Things that I have tried: > > * Playing with the "SCSI Host", "SCSI Selection Delay", "Enable Parity", > "Respond to short SCSI selection pulses" settings on the SCSI2SD. No > combination seems to make any noticeable difference. > > * Swapping out the RAM on the SE/30. I initially thought the RAM was bad, but > I replaced it with a different set and the symptoms are exactly the same. > > * Removing the case back, in case something was overheating inside. > > * Replacing the microSD card with a different one. > > None of these have altered the symptoms at all, and I'm running out of ideas. > Any suggestions would be very welcome. > > David >
