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I cannot say 100% for sure for your APS, but all 2.5"disks I know, also SCSI ones, work with 5V. Also, my (mostly) cable less plug-on SCSI enclosure works with 5V. "Mostly cable less" because it plugs directly into the SCSI port (which is enough of a mechanical support for the relatively...

Sorry, I didn't want to denounce you of butchering a good Mac. Again: A cute idea very well executed.

I confess I'm usually not a big fan of mods. It often means botching a working or fixable machine. But this is so well executed. Also, bringing components over from another Apple product line is a great idea. Did you find any interference problems since you removed the internal shielding?

What a neat mod! I'm impressed about the green Apple display CRT. What a perfect idea! Byrd's idea about using ADB to USB is an excellent one. This gives you the opportunity to use an original lime keyboard from a fruit-colored iMac. I would accept the black keys and a little white transparent...

While I wouldn't worry about 2.5-4% over voltage it looks alarming that you encounter more than 14V when reducing the load to the PS. This means that the regulation doesn't work - or only within a narrow range of loads. I often read that a (very) minimal load is required for the PSUs to...

Also to consider: If the black MacBook is the original CoreDuo model I suggest staying away from it. Its complete lack of 64bit-support limits the usefullness of this model, while only a little newer one has many more upgrade / hacking options. They all share the same model designation A1181. So...

I find the single USB port on my original iBook a bit picky about plugs. It's somewhat buried inside the rubber plastic and doesn't want lager plugs. Bigger plugs may not insert deep enough to make contact. Also the current the Clamshell's port can provide is _just_ within specs (0.5 A). My...

About OS 8.x failing to install on your 6100: I don't know what the installer is doing when it fails just before finishing, but since it complains about not enough memory, I would try changing the RAM _types_. As you will be aware, a 6100 accepts both FPM and EDO RAM sticks. Apple supplied only...

Thank you @Cory5412. Your findings completely coincide with my experiences. I lived - sometimes suffered - through that period of early PPC Macs. Apple's claims that the next version of Mac OS would be faster than the previous were/are untrue. While the amount of PPC-native code was rising...

Yes, these are issues. Not sure about HPs 600-series or HP-derived StyleWriters, but at least the 900-series integrate printheads into ink cartridges. So with new ink you get new heads (and pay for it). I remember various treatments people tried on the rollers. Some used brake fluid, if I...

Seems like the 'Books had difficulties awakening. MacWorld in the year 2000 ( https://www.macworld.com/article/1014038/streetsmarts.html ) mentions a work around (see boldface in text): The article goes on to explain that this feature was meant to enable a battery swap without completely...

Hi @jamie marchant! There WAS an option of "Preserve memory contents on sleep" (not sure the exact wording was used, but it clearly means "suspend to disk") at least in the Mac OS 9.0(.0) version that came with 1st generation clamshell iBooks. I remember that I had read a warning that it may...

We had 2 HP DeskWriter (Mac-compatible DeskJets) a 500 and a 520, if I remember correctly. They had been built like tanks and lasted longer than the useful lifespan of the Macs. I had mixed success with Canon-derived StyleWriters, some broke early. The 4100 looks like a rebadged DeskJet 620C or...

@LaPorta: Sorry to hear that OS 8.x doesn't boot successfully on your 6100. Does anybody know if the PC-Card (it's a 80486, right?) is compatible with System 8? It may need System Extensions, at least for producing the cool fading effect when switching OSes. Try booting without the card. And...

Yes, I've seen desoldering guns in action on youtube, that's the perfect way to go. Removing old solder is truly important. Thank you for your patience.

Dealing with old Macs is definitely an area where everyone can do "as you like it". As my sig-line says, I'm not a collector, I just have some Macs left from previous 30 years of use. @LaPorta, "speed/compatibility" is right my point too, hence I talked about a "sweet spot" of system versions...

Hmm. Individual perceptions of stability seem to differ widely. I went the other way in the 1990s, from all iterations of System 7.5 finally to 7.6.1. As I wrote before, I found stability improving from 7.6 onward, becoming acceptable for me again with System 8.5. I actually have tried 8.5 and...

Apple's Developer Note on the original PPC 6100/7100/8100 mentions that the 8100 provides Fast-SCSI support, which means to me that 6100 and 7100 do not. This supports my memories of SCSI on the 6100 not being faster than on a Performa 475. If you don't have a CD-ROM in it, likely there is a...

As if Apple decided to shame me about my criticism of broken support links: All three download links to Apple's server download.info.apple.com for fetching the drive formatting utilities "HD SC Setup" and "Drive Setup" 1.5 and 1.7.3 are still working (@ 2020-01-31)! You may need classic Mac OS...

I finally found an image of my Performa startup disk on an old backup. Besides HDT and Silverlining it holds two versions of Apple's Drive Setup: 1.6.2 coming from System Update 8.5.1 and 1.7.3 which came as an update for itself I'm quite sure I used both successively, and both had...