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Sorry for replying to an old post, but I've not posted in this thread in a long while and I only finished reading all the pages of this thread today. I wanted to point out that "rkauer" stated that he is using "a flask of 40% H2O2." Forty percent is an extreme concentration that I cannot buy...

Would love to hear your opinion on bakinghe LCDs. (I just finished reading all 15 pages of that monolithic thread, by the way.) I have baked the graphics card inside the late 2009 iMac because those have no electrolytic capacitors on them. But a graphics card isn't as fragile as an LCD...

Thanks, Kai. Hmmm... Setting the oven to 85°C isn't too bad, but 9 hours! His before/after looks promising, and I see a comment made under his video several months ago asking how the LCD is today, and he replied it is the same. Of course, his PB170 LCD type isn't 100% the same on the...

By the way, I didn't notice it at first because I only received my 5126 Backlit Portable a couple days ago, but the lower left corner very slightly darkens after a few minutes of the machine being on. It seems that is called tunnel vision. Supposedly it is moisture that has gotten inside the...

I spoke with @Sideburn privately. USPS are real stinkers, wanting $19 to ship something super tiny and feather light to Japan. So I did a lot of searching and found clear 0.8mm x 4.0mm silicone tubes in 1 meter lengths for $1.17 + $2.56 in shipping to Japan. (They offer free shipping, but that...

I was hoping to just buy using your EBAY link, but despite the seller being in China, they refuse to ship to their next door neighbor! What the...!? I will send you a PM shortly.

Now that I have a 5126 Portable, I am finding my trackball to sometimes work and other times not, the culprit being those nasty Rubber Rollers. Using my Mitsutoyo Digital Calipers, I measured the following: 1. Metal Shaft Diameter: 1.0mm 2. Rubber Roller Thickness: 3mm 3. Rubber Roller...

NOTE! The motherboard has been ultrasonic cleaned, recapped, traces repaired, and cleaned again via ultrasonic. The Apple AC Power Adapter I am using has also been cleaned, recapped, and cleaned again. PROBLEM: I'm hearing a soft pop sound from the speaker every 10 seconds when my 5126 Backlit...

I will connect the spinner drive to get that data point. Thank you for all your kind help to date!

In my conversations with @eric regarding BlueSCSIv2, he recommended that I completely disconnect both power and the SCSI cable from my spinner drive so my testing could focus specifically on the SD card drive in question. So I have been testing MacSD separately but in the same way as BSv2...

@YMK I've also been talking to @eric via PM, and he asked me to install Macsbug and then enter the debugger by pressing CMD & PowerKey at the time of the lockup. When I do that, I see the following (two different screenshots because I tried it multiple times): To escape out of the...

I am seeing some incorrect info posted on the internet when it comes to ADB pin-outs, but it would appear the following should be correct (I think) when looking at the back of the LC575 motherboard. When I touched my multi-meter's Black/GND probe to one of the motherboard connector bolt...

The "no peripherals attached" part is problematic because you need an ADB keyboard in order to press the PowerKey and power-on the Color Classic Mystic. And removal of ADB devices while the machine is powered is not advised. When I have disconnected an ADB device in the past by accident, it...

Yes, but such is nothing new. The same is true when I try to boot from BlueSCSIv2. Pressing SHIFT allows it to boot to the Desktop. But it cannot be an extensions conflict, for two reasons: 1. I can boot my spinning platter drive just fine without pressing SHIFT. 2. I've spend hours...

@YMK Here's a video showing MacSD LEDs during booting into 7.6.1 at 43.2MHz (no lockup) and then at 48MHz (lockup):

I cannot answer that question until I test again, which won't be until late tonight after work. Thursdays are my late nights when I don't get home until past 10pm. Yes. As discussed in my earlier post, SCSI_Clk attaches to CK on the 53C96 SCSI controller chip, and SCSI_Clk is feed by Q_DIV_2...

Since I mentioned MacSD and BlueSCSIv2 in my previous post (posted 10 days ago) and received no reply until today, I will tag @YMK and @eric so as to glean their thoughts, even if it is speculation. (I'm speaking to Eric outside this thread about it now.) SUMMARY: With MacSD or BlueSCSIv2, my...

"Pound" is my frequently used term to say something has been stated and re-stated "repeatedly," even if each new post on the subject includes new and important information. And while that may be interpreted as a slight against anyone who has discussed RISK, it is in fact not, as per what I...

Very true. In my earlier posts, I sought to speak to us as individuals first, but it is true that a collective bitterness, sour spirit, and general pessimistic outlook can impact us negatively as a whole. I do wish to make clear that I was not saying this forum has such a problem. I do feel...

There's even a book on Amazon about the Coleco Chameleon here: https://www.amazon.com/-/en/dp/1837910537 Note the comment there by FutureMan. He specifically mentions "Sean Rox geek with social skills." Date: June 2023. Since the book includes the experience of Mike Kennedy, I can only assume...