Leaded Solder
Posts
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Mini updates 3 - PC98 A-Train III, Atari ST keyboard fix, FM-7 video adapter
Some more mini updates for things that weren’t big enough to merit a full update on their own. In this entry, we’ll finally get A-Train III running on my PC98, fix an Atari ST keyboard, and ship new hardware for a whole new brand of Japanese 8-bit computer.
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Fixing the HB-101's keyboard
When I first got the HB-101, its combination of small RAM and lack of any way to get software on it was a problem, sure. There was a bigger problem waiting, though: the grim spectre of an inconsistent keyboard.
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Dual Goteks in the PC-8801mkIISR at last
In my previous entry, I found out that my old IBM PC “DOS” floppy adapter was not sufficient when trying to read from two drives at once. Somehow, they confused the floppy controller enough that nothing could be read from the second drive.
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Guest Project - a Model M refresh
A few years ago, my friend Grant completed a refresh of one of his Model M keyboards (I know, right?) Here’s his writeup on the process.
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Atari 1040STF mouse repair
I popped open my “good” Atari ST today. As you might remember, I have two 1040STFs: a very battered one I got from a flea market, and a nice-condition one that was owned by a guy who really cared about it, but had passed away. The only thing that was really wrong with this machine is that the mouse didn’t work.
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Attempting dual Goteks in the PC-8801mkIISR
I got another couple of Gotek floppy emulators from China, and now the SR has dual floppy drives. Unfortunately, I can’t use them both at the same time.
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PC-8801mkIISR opening and Gotek setup
I’ve been wanting to get back to the SR for quite some time. I figured the Gotek adapter PCB and the HxC-flashed Gotek would be a direct drop-in to the new machine, and I was right.
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Sony HB-101 and NEC PC-8801mkIISR pickup
Japanese Santa dropped by my house earlier this week and left behind a back-shredding 40lb box of microcomputer goodness. Let’s investigate.
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Mini-updates 2 - A501 battery, PC-98 Gotek update, SparcStation 1+ debugging
I’ve been up to a bunch of little projects while waiting on parts and time for the big jobs, so here is another mini-update on three of those projects.
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The last ride of PC88 colour video
After a respin of the PC88 colour video board, the PC8801mkII now has excellent digital colour video out.
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Apple IIe keyboard repair attempt
I’ve had my Apple IIe for a few months now, and it’s been great. One of the things that’s kept it from getting more use has been the spotty “I” key, which the seller warned me about.
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The PC98 can remember lots of things
Just as I was beginning to lose hope that the hard drive I had ordered back in August from Yahoo Auctions Japan would ever arrive, my doorbell rang. Inside a beat-up but functional Suruga-ya box sat the hard drive, done with its international journey.
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Exploring the PC98 software catalogue
Now that the PC98 can load software off of a USB stick instead of floppies, I decided to explore the software catalogue a bit.
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A mystical journey to PC8801mkII colour video
I’ve been using the monochrome video cable on my PC88 ever since I built it. Colour video was a little more complicated, so I ended up designing a bunch of adapters to try and get it to work. I’m happy to announce that one of those adapters has finally worked!
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PC98 - New floppy board, sound 'fixed,' more testing
Now that the PC98 can load a game off a flash drive, there’s a lot more parts of it I can test. Today, I spent a few minutes putting together a new revision of the floppy board and inspecting the computer.
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