Various SE/30 Problems

[Sunoo]

I recently got an SE/30 with leaky caps, so I cleaned up the board and recapped it. However, it is still having some various problems. If someone could point me in the right direction on any of these, I'd be very grateful.

1. If it has been off for a while, the first attempt to boot will give you a floppy with a ? on it. Turning it off and on will get it booting up though, and it chimes. Any further off/on cycles will boot without a chime for some reason.
   
2. My floppy drive seems completely non-operational. Putting a disk in it doesn't show any warnings or rejection of the disk, but it won't boot off of it and it doesn't appear on the desktop.
   
3. I have an AppleCD 300, as well as the proper cable and an active terminator, but no disks will mount when I try. I'm guessing it is probably just missing drivers, but I have no way to confirm that (or load them with no working floppy drive).
   

I haven't been able to get the system to make any noises while booted either, but it looks like there could be some sort of corruption on the hard drive (some files have very mangled file names). I do have a SCSI2SD ready to go, but I can't set that up either, because I have no floppy drive working.

 

[Sunoo]

Okay I've made some progress, but I still have questions.

If it has been off for a while, the first attempt to boot will give you a floppy with a ? on it. Turning it off and on will get it booting up though, and it chimes. Any further off/on cycles will boot without a chime for some reason.

The booting issues seem to have been the hard drive. With a SCSI2SD it boots first time, every time. However, the chime still seems to be missing. I think there may be some issue with the sound somehow?

My floppy drive seems completely non-operational. Putting a disk in it doesn't show any warnings or rejection of the disk, but it won't boot off of it and it doesn't appear on the desktop.

The floppy drive has started working to a point. It can read disks sometimes, with errors. However, any disk you put in it gets destroyed and can't be written to reliably even from other computers afterwards.

I have an AppleCD 300, as well as the proper cable and an active terminator, but no disks will mount when I try. I'm guessing it is probably just missing drivers, but I have no way to confirm that (or load them with no working floppy drive).

Booting a 7.5.3 boot disk had the drive appear and work as expected.

 

[bibilit]

The floppy drive has started working to a point. It can read disks sometimes, with errors. However, any disk you put in it gets destroyed and can't be written to reliably even from other computers afterwards.

The FD is probably bad, pretty rare, as those are reliable, but can be.

Have a look at the destroyed disks, maybe the upper or lower head is bad, but you will need another unit in the end.

 

[Sunoo]

There is no visible physical damage to either side of the disk. I'm wondering if the heads could just be out of alignment or something?

 

[Sunoo]

Okay, it turns out that I'm just an idiot. I had taken the shielding off the drive to clean it earlier, and I decided to test if it was working without putting everything back together and just stuck the drive in the case a few inches from a CRT. I shouldn't have been surprised that it was impacting magnetic disks.

I put it all back together earlier, and now it's working perfectly.

I still need to figure out what's up with the sound though.

 

[SlateBlue]

Do you have schematics for the SE/30 logic board? It’s very possible your board has a rotted trace or two. I had to probe mine with a meter to test continuity between a few chips after I discovered my SE/30 wouldn’t boot with more than 16MB of memory. 

 

[Sunoo]

I do not have those. I didn’t check continuity at all, but the traces seem fine. There was a lot of corrosion on one of the Sony chips which I believe has something to do with sound, but I wish there was some way to confirm that’s the issue.

 

[SlateBlue]

@Sunoo, check your messages.