theonetruetom
Member
I've been fixing on my Centris as I want to get it to a good mechanical state before I bother Retrobriting. I've noticed that ever since the recap, I get this pattern at boot:
Once it boots, it goes away:
This thing is still kind of finicky about actually booting an OS sometimes, even though my prior thread in the adventures of this machine (where it wasn't chiming a lot of the time due to some bad solder around a component) has been basically resolved. I got a PiSCSI to mount internally so I can use my 25-pin BlueSCSI for other things, but this thing seems to have some issues booting from that device, often hanging at a floppy disk screen that doesn't flash when a viable image is selected by the PiSCSI, or the actual Pi service crashing in the middle of hard disk operations and corrupting my A/UX partition. It's never had a single problem booting off an external BlueSCSI.
Anybody have an idea what I can look at/test to track down that screen issue? I don't think it's scanconverter related, since the issue goes away after the OS boots. My Mac display adapter is very old, but I don't remember it having graphical weirdness when I used it last. My gut tells me there's something not quite right still, but I don't know enough about where to look to diagnose it. I vaguely remember Adrian doing a basement video where he had a similar problem on one of his Macs, or maybe it was Action Retro, but I can't remember what Mac or how long ago. It seems like these issues could be related to each other in my opinion, but I don't have an oscilloscope currently and wanted to start with a good visual/microscope inspection of any problem areas.
edit: less chonky pictures
Once it boots, it goes away:
This thing is still kind of finicky about actually booting an OS sometimes, even though my prior thread in the adventures of this machine (where it wasn't chiming a lot of the time due to some bad solder around a component) has been basically resolved. I got a PiSCSI to mount internally so I can use my 25-pin BlueSCSI for other things, but this thing seems to have some issues booting from that device, often hanging at a floppy disk screen that doesn't flash when a viable image is selected by the PiSCSI, or the actual Pi service crashing in the middle of hard disk operations and corrupting my A/UX partition. It's never had a single problem booting off an external BlueSCSI.
Anybody have an idea what I can look at/test to track down that screen issue? I don't think it's scanconverter related, since the issue goes away after the OS boots. My Mac display adapter is very old, but I don't remember it having graphical weirdness when I used it last. My gut tells me there's something not quite right still, but I don't know enough about where to look to diagnose it. I vaguely remember Adrian doing a basement video where he had a similar problem on one of his Macs, or maybe it was Action Retro, but I can't remember what Mac or how long ago. It seems like these issues could be related to each other in my opinion, but I don't have an oscilloscope currently and wanted to start with a good visual/microscope inspection of any problem areas.
edit: less chonky pictures
Last edited:
