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i am currently "downgrading" my custom 3d-audio applications (10-channel ambisonics) which are currently hosted on an XServe, so that they run on an MacOS9 G4.

quite difficult because of the rigid CPU limit. everything has to be broken into smaller parts, which then can only be used one after another.

composing and mixing with this system has to happen almost totally in nonrealtime now.
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Doing some HTML authoring using BBedit. Using GraphicConverter (which I registered back then and still love!) for editing the graphic files. Meanwhile listening to some internet radio via Sound Jam. Whoever says MacOS9 cannot be used productively anymore has no idea.

(and non-Mac related drinking a cup of good coffee. Life is good, I tell ya! :) )
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Welcome Mr. Norrland! :)

Yes, i bet everoyne of us has seent those fantasy prices on ebay often set by people who can't even spell the model name correctly. ("But look, there's one other offer for the same Performa for 150$!". I remember the days when most people were happy you'd take the old stuff from them for free to spare them the recycling.

Oh well, times change - our favorite OS does not! :)
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General Hardware Discussions / Re: Latest Casualty ...
« Last post by GorfTheChosen on February 20, 2020, 07:31:37 PM »
Yay Andy!

Not everyone has the time nor the luxury of slowly approaching these tasks - or the choice of simply putting them “back on the shelf” until later. And anytime someone here sends a project to Andy, it’s a very good thing indeed for this rogue OS 9 community.

As it’s also very good to keep Andy busy and “at it” going forward into the future as a highly-valued source for all of us rogues.

It would seem so ... I'll let you know for certain ... once I get my PSU's back and they are working again.

Even though best quality capacitors are available from possibly more reputable sources - $14.00 cap kits (from the Borg) for a Samsung monitor, hopefully might not be a bad place to start. It’s much easier to disassemble and access that Samsung monitor for trials and the basic beginning experience - as opposed to say… undertaking the necessary learning curve when ordering caps from Digi or Mouser… OR jumping right into a Quicksilvers’ PSU repairs.

That's kind of how I saw it. Doing these types of repairs is a little more involved than just hack-soldering a couple of random wires together for the kid's toy ... you're working on something which has other components on it, in close proximity to what you're trying to replace.

It is outside of my field of previous experience ... and I'm pretty sure that there is "something to know" in order to be competent at doing it. I'd guess that I can probably master that competency ... but there's no way I assume that I possess it right now ... or even know the right questions to ask to get on the path towards it.

If the Samsung monitor doesn’t work after the intial effort, or it possibly requires additional “surgery” after that first attempt… well, it’s easy enough to reopen the case, inspect and possibly correct what might be wrong and then try, try again. (Not as easy or nearly as much fun doing this with a PSU right out of the proverbial gate.) Ha-ha.

Yup ... ;)

One thing I've noticed (goes back to what you said about my ECG iron - that I might need "a little more") is that the tip doesn't seem to be getting hot enough to melt the cap connections on the board. So I've been kinda laying it over on it's side, at a point slightly up from very end in contact with the joint I'm trying to decouple. That necessarily puts more of the tip in close proximity to other parts of the board ... which I'm not sure is a bad thing or not. Seems to me, that one should have enough heat to rapidly melt the joint ... before the rest of the PCB gets heated up. Has me a little nervous.

It’s the old “crawl before you walk” (learning along the way)… before one then possibly “hastens the pace“ and begins running.

Exactly.

The underlying (and un-stated) credo here is “help whenever you can” …and not the tired old “I know something that you don’t know” routine.

Seems like that should be a workable premise.

Very good stuff from ssp3: (He's thankfully making such things a habit.) :)

CapXon = Manufacturer
820uF = capacitance, in this case 820 microfarads. You can use slightly higher value (1000uF) if that's what's available.
25v = maximum operating voltage, higher rating is OK, you can use 35V, 40V, 50V, 63V etc.
C716 = date or batch code, irrelevant.
GL = probably series name
105C = maximum operating temperature in degrees Celsius

And you are correct, I’ve other fish to fry (gives a quick, raised-eyebrow, side-eye glance towards a very stubborn 1973 Pignose amplifier). This QS PSU goes back on the shelf until later, but I shall return. Ya might also take an accounting (pics?) of your PSU interior to compare with what Andy actually changes in order to repair it - and post ‘em here in the thread. I’ll do the same when anything else develops here.

Yeah ... the PSU's are already gone so ... I will post some pics after I get them back and a report if he provides any info as to what he did.

I’m still learning and hopefully, will continue to do so.

Every. Single. Day.

Now I gotta go explain to IIO that all caps contain a combination of crushed unicorn-horn dust with some added pixie dust… that can’t be accurately measured for function while the cap is still soldered to the PCB. Or I could simply ask him if he’s looked under his bed lately? http://macos9lives.com/smforum/index.php/topic,4503.msg32228.html#msg32228

Sometimes one simply must laugh. ;)

LOL ...  ;D
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General Hardware Discussions / Re: Latest Casualty ...
« Last post by IIO on February 20, 2020, 02:12:06 PM »
how did you figure that i was only joking?
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Alex, you definitely get an honorable mention for this post; it is well thought out, concise and valuable; I hope this helps many :)

Just a side note, as discussed before, turn "spotlight" off for the OS9 volume in OSX to avoid any filesystem glitches that OSX may cause by writing info to the OS9 volume

Thank you your reply means a lot! Thanks for moderating one of the best websites and keeping my new favorite OS alive.
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General Hardware Discussions / Re: Latest Casualty ...
« Last post by FdB on February 20, 2020, 10:11:11 AM »
Yay Andy!

Not everyone has the time nor the luxury of slowly approaching these tasks - or the choice of simply putting them “back on the shelf” until later. And anytime someone here sends a project to Andy, it’s a very good thing indeed for this rogue OS 9 community.

As it’s also very good to keep Andy busy and “at it” going forward into the future as a highly-valued source for all of us rogues.

Even though best quality capacitors are available from possibly more reputable sources - $14.00 cap kits (from the Borg) for a Samsung monitor, hopefully might not be a bad place to start. It’s much easier to disassemble and access that Samsung monitor for trials and the basic beginning experience - as opposed to say… undertaking the necessary learning curve when ordering caps from Digi or Mouser… OR jumping right into a Quicksilvers’ PSU repairs.

If the Samsung monitor doesn’t work after the intial effort, or it possibly requires additional “surgery” after that first attempt… well, it’s easy enough to reopen the case, inspect and possibly correct what might be wrong and then try, try again. (Not as easy or nearly as much fun doing this with a PSU right out of the proverbial gate.) Ha-ha.

It’s the old “crawl before you walk” (learning along the way)… before one then possibly “hastens the pace“ and begins running.

The underlying (and un-stated) credo here is “help whenever you can”
…and not the tired old “I know something that you don’t know” routine.

Very good stuff from ssp3: (He's thankfully making such things a habit.) :)

CapXon = Manufacturer
820uF = capacitance, in this case 820 microfarads. You can use slightly higher value (1000uF) if that's what's available.
25v = maximum operating voltage, higher rating is OK, you can use 35V, 40V, 50V, 63V etc.
C716 = date or batch code, irrelevant.
GL = probably series name
105C = maximum operating temperature in degrees Celsius

And you are correct, I’ve other fish to fry (gives a quick, raised-eyebrow, side-eye glance towards a very stubborn 1973 Pignose amplifier). This QS PSU goes back on the shelf until later, but I shall return. Ya might also take an accounting (pics?) of your PSU interior to compare with what Andy actually changes in order to repair it - and post ‘em here in the thread. I’ll do the same when anything else develops here.

I’m still learning and hopefully, will continue to do so.

Now I gotta go explain to IIO that all caps contain a combination of crushed unicorn-horn dust with some added pixie dust… that can’t be accurately measured for function while the cap is still soldered to the PCB. Or I could simply ask him if he’s looked under his bed lately? http://macos9lives.com/smforum/index.php/topic,4503.msg32228.html#msg32228

Sometimes one simply must laugh. ;)
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Alex, you definitely get an honorable mention for this post; it is well thought out, concise and valuable; I hope this helps many :)

Just a side note, as discussed before, turn "spotlight" off for the OS9 volume in OSX to avoid any filesystem glitches that OSX may cause by writing info to the OS9 volume
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System Utilities & File Management / Re: Apple Menu Options can not launch
« Last post by OS923 on February 20, 2020, 06:52:22 AM »
If Apple Menu Options Prefs was damaged, then this indicates that you had a problem with updating a resource fork. This problem is common in OS 9. This can cause a bad System file and unable to startup. The best way to prevent this is that you use something like AutoFlush. OS 9 should not be used without AutoFlush. https://macgui.com/downloads/?file_id=20440
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No.
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