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That is possible, and perhaps attributing to my results at least with the Astec since I only have one of those. But I do have 3 of each of the old and new Sonys (6 total Sony PSUs) and the difference between 699-0389 and 699-0393 is huge in my experience. I’m pretty sure these were redesigned...

I have done side by side comparisons, and I find that the original Sony CR45S (699-0389) is by far the loudest, with the Astec being slightly quieter, and the newer Sony CR45S (699-0393), which was only included with the IIfx, is much much quieter than the other two. Interestingly, I’m pretty...

I remember having similar issues a while back. I think I ended up finding drivers that worked after trying multiple variations. I would try searching for ATI 9200 Mac drivers “DVI-I”. I believe the DVI-I version of the drivers was different somehow and it was the only version that worked for...

I don’t have a spare DC board, unfortunately. The machine works fine but then again coil whine generally doesn’t indicate any underlying problem. I was just curious if anybody had the same experience. The insulator around the inductor is pretty suspect. Honestly, I probably wouldn’t notice...

Getting some annoying coil whine from a freshly recapped 3400c. I believe it's coming from a 10µH inductor on the main board under the DC power board. I'm thinking this is a known design flaw? Is that the reason for the weird foam insulator around it? Can anybody confirm?

Thanks. I kind of suspected that might be the case. The only extension I’ve ever seen is 3.0.

I’ll definitely give this a shot. Although I don’t think I’ve ever seen a Sound Manager 2.0 extension. Anybody know which OS would have that?

The only way to know for sure is to take them apart and inspect under a microscope. I also replaced all the caps on mine. I order all my caps from mouser and usually order extras. Although, if I remember correctly, I did see some cap corrosion under and around the caps in question.

I was going to suggest the same thing. If you have a IIfx or a IIsi ROM (or any of the modern ROM replacements which are all based on IIsi), I would try that.

Looks like a 150µH inductor. You can just filter by that and the measurements in Mouser or Digikey. Edit: Whoops you already knew it was a 150µH. LOL. Anyway, you'll just want a 150µH the same size.

Would you mind sharing what paint you used?

I didn't read the whole previous thread, but did you actually check if the machine itself is ok? Simplest way would be to use a boot floppy and listen for the standard floppy activity.

You can trash Sound Manager on System 7.1.x. But not on 7.5+ because it doesn't exist (it's integrated into the System file).

It has a 5300ce display transplanted into it. And it doesn’t have enough VRAM to run 800x600 resolution at 16 bits.

I hate to disagree here, but 7.1 is much more compatible with older games than 7.5+. The main issue is sound handling, which appears to be completely different. This results in many older games having weird sound issues or no sound at all. Additionally, some games will crash completely in...

Hey all. Is there a way I can limit what color modes are selectable in the Monitors control panel and the Control Strip under system 7.x? Specifically, I would like to remove the option of “thousands of colors”. Basically, I would like to prevent accidental selection of this mode since it...

So to clarify, Compact Virtual control panel just allows you to set the amount of memory to use. To actually see the allocated RAM, you just use the About My Macintosh dialog as usual. You don’t have to worry about RAM disks or anything like that (since you were asking). P.S. Oh and also...

It's 68uF @ 10v. First two digits are the capacitance, third digit is multiplier, and A is code for 10v.

Thanks. I went ahead and it didn't cause any issues. It's a super nice display. Now I need to decide whether I want a 190ce and a 5300cs with a ce board, or 190cs and 5300ce. Decisions, decisions...

Hey, just checking, any reason why the 5300ce LCD cap is so huge? Wondering if it’s safe to replace with a tiny tantalum. Here a pic for reference (tant on the left, original on the right).