68kMLA Classic Interface

This is a version of the 68kMLA forums for viewing on your favorite old mac. Visitors on modern platforms may prefer the main site.

Click here to select a new forum.
Post Recap Death Chimes on an SE/30
Posted by: Phipli on 2022-10-30 11:35:25
Afternoon folks,

Does anybody recognise these symptoms and have a suggestion where to start looking? This was a working board that I've recapped for my dad. Nothing went badly and it is in good condition overall.

The computer death chimes and then shows this :

IMG_20221030_181652_006.jpg

Is it possible that the RAM is poorly seated causing this? I've tried it in both banks, but they both have damaged clips (wasn't me or him - previous owner).

I have a IIx ROM in it, the RAM itself is known good and both this RAM and ROM were working in a newer (slightly different board layout) SE/30 earlier in the day.

I have only swapped the logic board compared to previous tests with the other SE/30 board. Analogue board and PSU seem fine and boot an SE and the other SE/30 board.

Pointers welcome 🙂 I haven't worked on a /30 before.

IMG_20221030_165957.jpg

(Yes, I put the CPU and Video ROM back in after ultrasonic cleaning it after this photo).
Posted by: Phipli on 2022-10-30 11:50:01
Slightly better photo of the board - I didn't realise the last was so fuzzy.

IMG_20221030_184335.jpg
Posted by: Phipli on 2022-10-30 11:55:35
Got it 🙂

I reseated the ROM and fiddled with the RAM more.

IMG_20221030_185432_002.jpg
Posted by: joshc on 2022-10-30 13:11:10
Yep, was going to suggest reseating RAM/ROM. I have an SE/30 with a weak ROM socket and I always know if it won't boot it's because of that.
Posted by: 3lectr1cPPC on 2022-10-30 14:00:41
Yowch, that tube has seen some years now hasn’t it!
Posted by: Phipli on 2022-10-30 14:24:57
Yowch, that tube has seen some years now hasn’t it!
Yeah, you can read the excel menus even powered off.

It was in a shop that did computer stitched badges and stuff.
1