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Thanks to @JDW and his excellent video on recapping the Mac SE & SE/30 power supply. My recap passed the smoke test and I was able to successfully adjust the voltage.

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"Fat Mac Switcher" in development. In a sense, it may be a useless product in 2023 😅

It features:
-512K and 128K switching is possible. LED lights when 512KB is used
-Supports ROM-inator Resurrections
-Supports BMOW FloppyEMU
-Support SYSTEM 6.0.8 (at 512KB)
-HD20 support *FloppyEMU available

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Hiya, looks like I'll be getting a board thanks to fred1212!

Shoot me your PayPal addy and I'll get the gift money right off. Shipping locale is 27523.
The PowerBook 3400c's power board is right under the trackpad, and as such heats it up quite a bit after running for a while! Heated trackpads should be a real feature, my fingers can get pretty chilly in the basement, and the trackpad actually can help haha.
My Power Macintosh 9600/300 build is finally complete!

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I've replaced the CPU with a Sonnet Crescendo G4 @ 400MHz with 1MB L2 cache, replaced the stock ixMicro Twin Turbo with a Sapphire Radeon 7000 with the full Mac ROM (swapped ROM chip) and the March 2002 Radeon driver. On top of that, i've managed to scrape together 512MB of the MOST ridiculously hard to find, and most insanely priced RAM ever - 8 x 64MB 168-pin 5v EDO DIMM's.

I have a Sonnet Tango 2.0 to go in it next, and i want to try and flash the Adaptec 2940 U2W I have to get some native 68-pin SCSI action going on in there. Then - I think I need a DEC-21140 based PCI NIC to add to it because the onboard 10Mbit is just painfully slow at transferring ISO's and .toast files over.
V
V.Yakob
Super!
I'll get it soon the newertech Maxpowr G4 400 Mhz for my 9600/300, 100 Mbit Apple network card and one 128 MB RAM stick. RAM for this computer is really rare and very expensive.
Have you already added a 100 Mbit network card? Does it work faster than 20? 🤔
Did you get to flash 2940 U2W?
9600 is my favorite Mac!

P.S. memory is installed from the last slots, why? I read about it on macos9lives, but there's no explanation.
My original setup in 1995 at college. I scraped together as much cash as I could, sold my Centris 650 (that machine was the true OG for me, where it all began) and got my girlfriend to charge the rest for me. It was a discounted 6100/66 from the school's bookstore. It was a real workhorse and I upgraded just about everything I could on it. Hope it's still out there.

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TIL: A fast 68030 CAN play MP3 files, but will not smoothy play through anything higher than 32kbps, so they don't sound too good!
Kai Robinson
Kai Robinson
Does having an FPU make any difference?
3lectr1c
3lectr1c
Not sure, the one I was using (PowerBook 150) doesn’t have one. I can give it a go on my 180c (same clock, with FPU), but it has half the RAM so that will probably affect things.