MARCHintosh 2025 Projects

Check out our latest Computer Compulsive video! We open up a recently acquired 128k and investigate! https://www.youtube.com/live/_7ll4qE4udA?si=bix1EuMvPa3uckvQ

I've been doing quite a few things for #MARCHintosh this year so far.

• Recapped a new Mac IIsi and upgraded to 17MB RAM and Asante Ethernet card
• Arranged manufacture and group buy of 45 BlueSCSIs for the Atlanta Historical Computing Society March meeting
• Got IIsi on GlobalTALK (up 24/7, zone MrTechGadget)
• Spent more money than I planned purchasing several Macs of the 90s
• Received 8100/100av and posted video checking it out and basic testing (current status is not running)

I dug an old unfinished thing… and tweaked it a little… spoilers!

Oh hey, it's that time of year again! Luckily, I have something to bring to the table: I have a Performa 6116CD that has a crumbling Internal Chassis (the part that holes the drives, speaker, and power LED). I took it upon myself to design a replacement. It works too! I've uploaded the model to Thingiverse: https://www.thingiverse.com/thing:6989132

I received a Color Classic today, got it unboxed, thankfully it made it safely from the Pacific Northwest. After a visual inspection inside, I have posted a video of first boot. Let’s see how it is doing!

Not my work, but this was mentioned on MacRumors... thought I would post it here for Retro visibility. AI on a 20 year old PPC.

Even though I already have a bunch of projects in various stages after seeing this YouTube video by Kevin Noki on a modernized take on the original Apple ADB mouse I felt compelled to build one! I also built his aesthetically pleasing USB to ADB converter (based on QuokkADB by Rabbit Hole Computing) which was the harder part!) #MARCHintosh!













After triple checking the wiring, it works! I got impatient tonight wanting to test so that LED wiring/resistor will have to be reworked but yay!

Some parts I used (more specific than what's in the creator's links):

Original Bamboo lab Makerworld MH002 3D Printed Wireless Mouse Model Components DIY Creative Models-Compatible with Bambulab P1P/P1S,A1/A1 Mini,X1/X1C/X1E 3D Printers-Prints NOT Included

Polymaker Matte PLA Filament Muted White 1.75mm 1kg 3D Printing Filament

SUNLU 3D Printer Filament 1.75mm, 1kg Spool, Transparent PLA

uxcell 4pcs S-Video PCB Mount 4 Pin Mini Din Socket Video Connector Black

HiLetgo 10pcs 4 Channels IIC I2C Logic Level Converter Bi-Directional 3.3V-5V Shifter Module for Arduino

E-outstanding Pack 10 AF 180-13.7 Degree USB Type A Standard Port Female Solder Jacks Connector PCB Socket

20 Pcs Micro USB Type B Male 5-Pin Jack Port Solder Connector USB Connectors Straight Solder Repair Replacement Adapter

100 Pcs Led Diodes, YIWANSON Mini 3mm Clear Light Emitting Diode Assortment Micro Red Green Blue Yellow White

BOJACK 50 Values 1350 Pcs Resistor Kit 0 Ohm-5.6M Ohm with 1% 1/4W Metal Film Resistors Assortment

On the LED this page was helpful in figuring out a good resistor value for the LED:
(I went with 68 Ohms)

My project for this year is a new game called Viper Race (working title)


MARCHintosh 2025 is almost over, and I've been pretty quiet, but that doesn't mean I haven't been working on something! I do feel however that time is running out and I'd like to share what I've been working on before it is done, and I won't be able to release the game for a while.

I'm reusing the code from Blokz RAVE to make a new game, with the working title Viper Race. It's a 3D space flight racing game, where you fly a "Viper", a small spaceship through rings in space. The idea is that you will compete against 3 other identical vipers (but different colors), but I haven't started on AI yet.




(Early screenshot, final game will have more advanced graphics)


If this idea sounds familiar, then maybe you have played one of my favorite games of my childhood: EV Nova by ATMOS and Ambrosia Software. The idea for my game is taken from EV Nova's gambling minigame, where you bet on one of 4 Vipers and you get to see a pre-rendered cutscene of the final seconds of the race. My game is a playable version of that cutscene, targeting the same hardware as EV Nova did back in 2002!


(Screenshot of EV Nova)


Progress so far has been towards reaching a visual target, and getting a feel for the flight controls and flight model. I've found and fixed a few bugs in the Blokz RAVE engine, some of which may or may not increase performance in Blokz as well (We'll have to do some testing!).


I am currently hitting 32 FPS on a PowerBook Pismo 400MHz, but I haven't even gotten started on optimization for the new content and features, so the final framerates will likely be significantly higher.


New features in the engine have been implemented, and more are coming:

• Skyboxes (I can generate them with Bryce on a Macintosh G4)
• Billboarded objects (The fire behind the thruster always faces the camera)
• More types of material shading
• Additive blending and sorting of transparent objects
• Cameras with tweening when you switch between them
• Point rendering (not sure how useful this is, currently drawing debris with it, for visual feedback for how fast the ship goes)
• Animated sprites in 3D

Planned features:

• Engine noise like in X-Wing
• Collision system
• Mouse controls
• Various UI improvements and features
• OpenGL and Carbon or Cocoa if there is enough interest

Let me know if you find this interesting and you want to hear about this game!

CodeWarrior Pro 8.3

My Marchintosh project is an expansion of my "Getting Sas'y" with a cMP3.1. I hope to finish it up this weekend before the end of March, with total of 18 internal drives.

First post here! I didn't know about #MARCHintosh before, but now I do, thanks to my new friends in my comments! I'm a new YouTuber doing Macintosh repair, and I just put out this video on Friday. Since then, it's been making the rounds in the classic Mac community, and I'm so thrilled that my videos are finally starting to get out into the community I hoped they'd be in! I'd like to thank Trekintosh, 1-Bit FD, Mac84, Eric, Trina, GutBomb, Xodium, and anyone else who's name I missed for helping get my video out, you guys are so amazing and I hope to keep making more content for everyone who enjoys it!

In this video, I picked up a $50 Macintosh Plus with a "ROM or RAM issue" off of Facebook Marketplace. I took it apart and immediately noticed the broken off tabs on the RAM SIMM slots. Can I restore this piece of history back to its former glory?

ConnahComputerSmith said:

First post here! I didn't know about #MARCHintosh before, but now I do, thanks to my new friends in my comments! I'm a new YouTuber doing Macintosh repair, and I just put out this video on Friday. Since then, it's been making the rounds in the classic Mac community, and I'm so thrilled that my videos are finally starting to get out into the community I hoped they'd be in! I'd like to thank Trekintosh, 1-Bit FD, Mac84, Eric, Trina, GutBomb, Xodium, and anyone else who's name I missed for helping get my video out, you guys are so amazing and I hope to keep making more content for everyone who enjoys it!

In this video, I picked up a $50 Macintosh Plus with a "ROM or RAM issue" off of Facebook Marketplace. I took it apart and immediately noticed the broken off tabs on the RAM SIMM slots. Can I restore this piece of history back to its former glory?

Click to expand...

These might work...

May have to split the sockets, depending on how the spacing is on the board for the SIMM headers. It's been a while since I had a Plus board in front of me (about three years).