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@iPhil64 Very interesting. You get a normal bong, then the Sad Mac. And that icon is shifted to the left instead of being in the center of the CRT. You also said you get a Mouse Cursor. I assume that means the "Arrow Pointer." You can move it around and see the arrow? I can't see it in...

What about sound? Sometimes when you get a Sad Mac, you hear "the chimes of death." Any sound like that?

Note that I just edited my previous post to answer your second question. So you were able to boot to the desktop and then after that, when you tried to boot again, you got the sad Mac?

I assume you mean "rotated 180° from the incorrect position." That would create problems with serial communications, but it shouldn't cause the sad mac icon to be shifted out of position. @Kai Robinson , would you have opinions on what could cause the shifting? Of course, we also need to...

Regarding current draw on the PRAM battery, I found this old post of mine. As you can read there, I put a bench top power supply on the disconnected LC575 motherboard and used an ammeter to measure a 63µA current draw (constant). That is a bit higher than your 42.5µA measurement, although both...

Yes, my motherboard is an LC575, not a stock CC or CCII motherboard. The stock PRAM battery is a rather large 4.5V RAYOVAC (even for the stock CC motherboard), and while there are replacements found on EBAY these days, I refuse to pay upwards of $30 (not including shipping) for one, even though...

I have no proof, but I think that as long as you have a cord in the wall socket and have the switch on back flipped ON, your PRAM battery won't drain at all. If there is drain, it would be the normal losses as if the battery were sitting on a shelf. But the moment you yank the power cord or...

I have finished my PowerKey-ON temperature measurements (CRT ON, HDD spinning, booted to Finder doing nothing). My watt meter shows 68W (0.94A@104VAC) with the CC in the booted state. I am using Japan's 100V 60Hz power. Also note that I have a spinning hard drive installed, a IIe Card...

After keeping my CC in the same state for 24 hours (switch at back of CC ON, but CC shutdown), my wattmeter tells me the following... 0.192kWh x 365 days = 70.08kWh / year ¥5.59 x 365 days = ¥2,040 / year (roughly US$20/yr) After 24 hours, power consumption stabilized to 8.3W (down from 9W...

@Crutch Without a PRAM battery, you lose these settings... Mouse Tracking Speed (the biggest pain for me) Date & Time Startup Boot disk selection AppleTalk on/off status (unless "Open Transport" is installed) Disk Cache size setting Cursor Blink rate International Map setting Highlight colour...

It is bad news for electricity bills, but the alternative of keeping that switch off is also bad because it will drain your PRAM battery dry pretty fast if you don't use that machine often. And there are big disadvantages to totally removing the PRAM battery. I think it's bad design. The...

Doing thermal measurements on the motherboard will prove much harder because there is no way for me to keep the motherboard outside the chassis while at the same time keep it connected. I can do that with SE & SE/30 motherboards, but not a motherboard in a Color Classic. This video is about...

@YMK Here's part of my video work on this topic, covering my Thermal Camera readings of the machine with the stock analog board components, with only the power switch at back on (the CC is shutdown). I now need to check the heat with the machine booted and running. After that, I can change...

Whatever is the stock G4 Cube IDE configuration of the optical drive is what it is still set as today. I never changed it. In fact, can you even change it? Is it visible somewhere on the drive itself? (My Cubes are at the office and this is a holiday week, so I can't check that until next...

My daughter arrived home from college this week and brought me my 128GB SSD ($12 from NewEgg in the US, but now out of stock). I also purchased the two recommended adapters. The photos below show the 12GB SSD installed into the 2.5" IDE drive adapter, which is much cheaper (thankfully) on...

The current exchange rate is in the favor of those outside Japan, with today's rate being ¥136 to US$1. Furthermore, Japan Post still offers low cost ocean shipping, unlike USPS which killed it off way back in 2007. I purchased a number of heavy vintage items from the US back in those days and...

About one month ago, a kind person based in Europe contacted me to say that the LC520 he ordered from Yahoo Auctions Japan via Buyee arrived in Buyee's hands completely destroyed (case plastics broken apart, despite great handling by Japan's postal system), so he wanted to donate the broken...

While I am on some level curious what the ultimate fix for that stock CC motherboard will be, the opening post also flat out asked: "What would you do?" I personally am curious if the sheer slowness of that stock motherboard makes a time consuming repair worthwhile in the end. Purists...

I assume your FloppyEMU ribbon cable would need to point straight up because the BSv2 would prevent that cable from pointing straight out the back. I cannot say more because I don't yet have one of Kay's replacement adapters for FloppyEMU. I just like how Kay thinks. That's not just because...

@Kay K.M.Mods You are a master problem solver! And just to let everyone know, that PCB on the left is a replacement for the FloppyEMU's adapter PCB. You just plug the ribbon cable of the FloppyEMU into Kay's red PCB replacement.