Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on Yesterday, 19:39

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Rev 4 is printed.. LED holder fits great now. I just have to print out another drive holder and verify the fit, then I'll upload the final rev of this case faceplate if it is all good. Filename PXL_20220122_192317703.jpg File size 1.68 MiB Views 22 views Filename PXL_20220122_192408828.jpg File …

---

Re: RetroPC paint job Failure.

Posted on 2022-01-21, 23:17

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have used this one in the past and it looked pretty normal for what was on other parts. Just two light coats is needed. https://www.acehardware.com/departments/paint-and-supplies/spray-paint/general-purpose/1906601?store=18791&gclid=CjwKCAiA0KmPBhBqEiwAJqKK4xXN89FovH_ …

---

Re: RetroPC paint job Failure.

Posted on 2022-01-21, 18:56

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It is nothing special. Just a flat gray primer/paint all-in-one, with anti-rust properties. The old computer cases usually didn't use aluminum since it was far more expensive than sheet metal.. Unless you had a really high end case of course.

---

Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-21, 01:58

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Test fit with all the parts.. the only thing that doesn't fit is the LEDs inside of the LED retaining rings. I need to make a cutout on the backside to allow for expansion of the retaining rings once the LED is inserted. I'll work on that soon and upload the revised model & STL files. For the parts, …

---

Re: Bought these (retro) hardware today

Posted on 2022-01-19, 13:57

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Seller photos.. should be arriving shortly. Boser HS3000 SBC (40MHz 386SX) Filename Boser_HS3000.jpg File size 280.31 KiB Views 142 views Advantech PCA-6143P SBC ( 486DX4-100) Filename Advantech_PCA-6143P.jpg File size 303.04 KiB Views 142 views

---

Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-15, 13:59

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Depending on the 5.25 and 3.5 bay device selection, it can get quite heavy hanging off the faceplate and cause some bowing outward. I have revised the faceplate to include 2 more cube mount locations to hold the faceplate to the side panels to prevent this. If you already printed the rev2 faceplate, …

---

Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-13, 12:08

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I don't believe it will yellow. If you want a smooth surface, you can print in ABS and then use acetone vapor smoothing.

---

Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-13, 02:54

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Waiting on some Aliexpress buttons and switches to finish up the front panel.. Grabbed a $30 motherboard. PC Chips M326 v5.2. It gets through some of the POST, but fails before it gets to a memory check. The battery corrosion got under the AT 12-pin connector and ate away the 12V pin and trace, and …

---

Re: Help me identify this 8088 motherboard

Posted on 2022-01-10, 14:31

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Looksl ike right on the board it says Bison MF-XT..

---

Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-09, 19:43

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

No, it is made to DIY your own acrylic (or other 1/8" thick material) enclosure on the back side. I put cutouts for 10mm cube mounts on the back. Filename PXL_20220109_165134981.NIGHT.jpg File size 1.35 MiB Views 293 views

---

Re: Bought these (retro) hardware today

Posted on 2022-01-09, 14:32

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Problem with these -5V adapter is, that they generate the -5V from -12V. Modern PSUs have weak -12V rails. I prefer Enermax EG365AX, which is pretty much the last PSU to still have -5V. 1A on both -5V and -12V. The adapters work fine.. You're only drawing a few dozen milliamps off the -12V for the …

---

Re: [Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-09, 12:53

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

STL and Sketchup source files: Revised 1/15/2022 Filename 486-case-mini.zip File size 1.3 MiB Downloads 1 download

---

[Project] 386/486/SBC 3D Printed Retro Case

Posted on 2022-01-09, 12:51

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I felt like designing a 386/486 style case that people could expand upon, modify, remix, etc. So first off, feel free to contribute to or modify this open source design by me -- just reference this thread or my username in your mod/design. All Sketchup design files and the parts list is included to …

---

Re: What retro activity did you get up to today?

Posted on 2022-01-07, 01:22

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is there a thread for this, and what nozzle size are you using? I have issues with raised text at 0.4mm (like with my CPU trays). Awesome job BTW! Something kind of like that has been in my noggin for a while, thinking about how to do joins for long pieces (I just did battery holders with very …

---

Re: What retro activity did you get up to today?

Posted on 2022-01-06, 21:22

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Got my drive cage rev'd for the 3D printed retro case.. perfect fit for the 5.25 and 3.5 drives. Also test fit a keylock, which also fits perfect. Still waiting on other parts, and then I just have to reprint the revised version of the front panel. PXL_20220106_153302538.jpg PXL_20220106_153134623. …

---

Re: Do I need to treat exposed copper in boards?

Posted on 2022-01-06, 21:16

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I use UV curable solder mask. Paint it on, then shine a UV flashlight at it for a minute or two. Same. Search for “conformal coating” to purchase it :) Solder mask and conformal coating are two different things. Conformal coating goes over the top of the solder mask and components to protect the …

---

Re: Do I need to treat exposed copper in boards?

Posted on 2022-01-06, 17:54

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I use UV curable solder mask. Paint it on, then shine a UV flashlight at it for a minute or two.

---

Re: 3D print topic?

Posted on 2022-01-05, 18:08

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Microcenter had the Creality Ender 3 Pro for $99 just before Chrismas. I picked up my Longer LK5 Pro (300x300x400mm prints) for $188 shipped on Aliexpress's 11/11 sale. They're definitely cheap these days. I paid around $700 for my PowerSpec 3D Pro back in 2014 or so.. 🤣.

---

Re: 3D print topic?

Posted on 2022-01-03, 19:57

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

It printed nice.. however a few of my dimensions are a millimeter or two off. Need to revise the design slightly, then it will all fit. Filename PXL_20220103_184953020.jpg File size 395.38 KiB Views 125 views

---

Re: 3D print topic?

Posted on 2022-01-03, 01:21

by

by wiretap

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ghost town... let's bring this back to life. I'm using a Longer LK5 Pro for large PLA prints, and my super old Powerspec 3D Pro for ABS prints. The prints below are with Jessie Amiga 500 color PLA. Printed a floppy housing + Gotek 3.5" bay tray on Chrismas day. Enclosure: https://www.thingiverse.com …

---