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Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.
JC8080's latest activity
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JC8080 replied to the thread SE/30 Board Mystery Issue.Are there tools that will let you highlight traces on a Gerber file? That would be really helpful. Using the SE/30 Reloaded Gerber... -
JC8080 replied to the thread SE/30 Board Mystery Issue.Here is an excellent re-drawn version of the SE/30 schematics. This was created by one of the board members here, I didn't bookmark the...
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JC8080 replied to the thread Macintosh 512ke Theoretical Ram Upgrade.There were numerous RAM expansion boards available for the 512k, I have never heard of upgrading the onboard RAM, though that doesn't...
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JC8080 replied to the thread Mac Plus and Mac SE/30 (busted).Those sound like fun projects, and a great deal. Even if both logic boards were destroyed, the parts alone would be worth more than $60...
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JC8080 replied to the thread IIsi fault ....I have a death-chime IIsi I have not been able to resurrect. It was working when I got it, then after a few uses it started the...
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JC8080 replied to the thread 128 pin PGA sockets for 68030s that don't suck?.This is probably not a recommended method, but I use a small screwdriver to pry the chip up between the socket and the chip I do this...
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JC8080 replied to the thread 128 pin PGA sockets for 68030s that don't suck?.I have used these ones from eBay and have been happy with them, though I haven't tried any of the others so I can't do a comparison.
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JC8080 replied to the thread Katheryn's Conquests!.What was regretful about the IIsi?
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JC8080 replied to the thread My first 68k Mac - Macintosh SE 2x 800k.A SCSI emulator such as Blue SCSI is a good option, as is a Floppy Emu floppy emulator. The Floppy Emu is more expensive, but it is...
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JC8080 commented on alectrona2988's profile post.I think I've seen posts of people going up to 27.5mhz and starting to have problems. Mine is overclocked to 25mhz with no problems. I...
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JC8080 replied to the thread $52 on eBay.Nice find!
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JC8080 replied to the thread Weekend fun: SE/30 RAM fix.Many people use an ATX extension cable to be able to power the board outside of the chassis for diagnostic work, that might eliminate...
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JC8080 replied to the thread IIsi audio issues with MacSD.I plugged in a stereo headset, the sound comes out of both sides, and does not come out of the internal speaker at all while the headset...
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JC8080 replied to the thread IIsi audio issues with MacSD.Good question, I put the machine away but I'll check tomorrow or the next day.
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JC8080 replied to the thread IIsi audio issues with MacSD.I have done both, same results. I first bodged term power from the external DB25 to the internal connector, then removed the bodge and...