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After relisting and further price decreases, it did eventually sell for ¥108,000 ($1k).

The kanji for the developer’s name are probably “内藤 秀樹”, but I couldn’t find any more contemporary references with that either.

Unfortunately, looks like a bust. I decided I’d pick one up to check, but the pin assignment is orthogonal to the Cube PSU’s, and the pins aren’t given separate wires in the cable. It’s a shame, because the fit is pretty good.

I think you’re looking for the KPPX-4P. It’s sometimes called “Power-DIN” (not “DIN” or “Mini-DIN”) but I don’t think that’s an official name for it, and the term doesn’t appear on the KPPX datasheet. In an ideal world, you might be able to pick up this PLUG-P1J-R7B adapter and use a standard...

I don’t have any documentation for that particular adapter, but my guess would be that switches 1-4 wire pins together directly (ground and sense 0, 1, and 2), and 5-6 wire diodes between sense 1 and 2 for multisync. That’s consistent with 24 giving 832×624. If I’m correct, then the following...

I don’t know if this is the reason, but I believe that floating-point arithmetic is sometimes done at higher precision and then rounded. If you imagine a “two decimal digit” floating-point number, it would be like this: decimal2 x = 2.9; decimal2 y = 0.5; integer i1 = x * y; // round 1.45 to 1...

One of these popped up on Yahoo Auctions again: https://page.auctions.yahoo.co.jp/jp/auction/r465570559 This one seems to be missing the badge in the front, but has some interior photos and a clearer picture of the expanded ROM, which I’ll reproduce here. Apparently the expanded ROM clips over...

Spaceship Warlock, maybe?

I remember spending a while with Dinosaur Safari. I would’ve been somewhat older. I think some of the more aggressive dinosaurs can give you a scare. MG claims it’s 68k, though the system requirements must be on the high side. I also can’t help but think of this:

I’m not familiar with the LC series, but I know that early analog boards (128k/512k/Plus) have -12V (and not -5V) and I thought that was likewise for RS-422/LocalTalk. Do the specific voltages matter, or do they just have to be far enough apart? Wikipedia suggests to me that ±5V is correct for...

Oh, by the way, I could also lend you the mouse. PM if you're interested.

Like I said, I don’t have a good way to measure it. I pulled out a tape measure. 11mm sounds like a good guess for the length (it’s hard to get a tape measure in there). I think the diameter is smaller, about 5mm. Just to be clear, the markings say 6.3V, not 63V.

Oh, the chip’s different: Yours has a 74LS14N inverter. The µPC339C appears to be a comparator.

It has a M812M0100… (1988) serial number, so it was probably a Plus mouse, but I don’t know if I can say that with confidence. Your mouse matches a G447M0100… that I have. I saw another, seemingly older mouse (no chip) on the forums as well. By the way, here’s the underside. There are a lot...

They appear to be 47µF 6.3V capacitors: I don’t have a good tool for measuring size, but from the profile, the height appears to be slightly more than the switch box and slightly less than the switch button. I think the case leaves them some good clearance too.

Ultimately, this got down to ¥140,000 (~$1400) without any takers, and was then delisted. Oh well.

System 6 doesn’t have built-in file-sharing, though the Classic Mac Networking guide and vintageapple.org site list some System-6 compatible server software: AppleShare v2 EasyShare demo (10 minute time limit) Oscar, SingleShare, Public Folder… I don’t have experience with any of...

Yeah, if the LC is set to output VGA (640×480@60Hz), then it should work. Just a question of setting up the DA15-to-VGA adapter right. (There’s also a separate, Mac-specific 640×480@66.7Hz mode, which I think would work on modern displays, but not old ones)

Perhaps they’re confusing the vertical scan frequency and the horizontal scan frequency. The 12” 512×384 display that was introduced with the LC has a vertical scan frequency of 60.15 Hz and a horizontal scan frequency of 24.48 kHz. Modern monitors can handle 60.15 Hz vertical, but likely...