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Harumph So with vsyncen pulled, it boots wonderfully into 755 from internal SCSI. ADB works, keyboard works, mouse button works but mouse won't move. With a soft reboot, you can then pram zap, extensions off etc. Reconnecting vsyncen once it's booted makes no difference, it doesnt chuck the...

Usually I would concur thoroughly. However this one gave up the ghost prior to the cap job. It was a nice clean board but the sound was going and figured I'd recap before the troubleshooting started. It could mean there's some as yet undetected cap goo evil lurking (also mundane). The other...

Writing things down helps sometimes. I was wondering if it would boot if I could somehow disable IRQ6. I pulled vsyncen (pin 5) out of UI6 and hey presto, it's away. Of course with nothing to drive the vsync manager there's no mouse movement or keyboard action but it boots into system 755...

finally got some time to poke around with the scope. Sure enough, it's firing IRQ6, the Video interrupt, then throwing the exception. So I'm speculating it's getting to the point where it clears vsyncen, which lets the vsync signal though UI6 pal, which turns into IRQ6, which goes through the...

Yep, gave it a good clean with aerosol PCB cleaner + a decent blasting from the compressor. Used D and C package SMD tantalums for the recap and gave all the removeables a good reseating along the way. Voltage looked good at 5.02

Hi All Firstly, congrats on a brilliant site. There is a mine of information here. Secondly, I need some help with my trusty old 30. It failed with a bus error, and upon restart throws chimes of doom and 0000000F 00000033. My son was in the middle of a shufflepuck match and is mighty upset...