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List of open-source PC hardware projects

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Reply 120 of 128, by Daniël Oosterhuis

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Not PC, but 68k and PowerPC Mac related, though I figure it still fits the thread:

68kMLA user Demik released a PCB design for a 65% keyboard using the ADB controller IC of the AppleDesign rubberdome mushboards, dubbed Design68 (GitHub repo here).

If you have a bad condition AppleDesign board, or maybe one with damage to the membrane, this is an excellent way of reusing its controller IC for something far better.
The PCB is designed to fit the Tester68 keyboard kit, which is a very cheap ($20-ish) keyboard kit from China.

Add suitable switches and keycaps to taste, and it's a lovely new mechanical ADB keyboard.
Just ISO for now, but maybe ANSI layout is possible at a later time.

proxy.php?image=http%3A%2F%2Fnoise.lostwave.net%2F%7Edemik%2F68k%2FADB%2FDesign68_UK%252BFR.jpeg&hash=c8fab8005d94b4c719fd8b03bb390c17

sUd4xjs.gif

Reply 121 of 128, by twiz11

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Daniël Oosterhuis wrote on 2023-09-12, 06:42:
Not PC, but 68k and PowerPC Mac related, though I figure it still fits the thread: […]
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Not PC, but 68k and PowerPC Mac related, though I figure it still fits the thread:

68kMLA user Demik released a PCB design for a 65% keyboard using the ADB controller IC of the AppleDesign rubberdome mushboards, dubbed Design68 (GitHub repo here).

If you have a bad condition AppleDesign board, or maybe one with damage to the membrane, this is an excellent way of reusing its controller IC for something far better.
The PCB is designed to fit the Tester68 keyboard kit, which is a very cheap ($20-ish) keyboard kit from China.

Add suitable switches and keycaps to taste, and it's a lovely new mechanical ADB keyboard.
Just ISO for now, but maybe ANSI layout is possible at a later time.

proxy.php?image=http%3A%2F%2Fnoise.lostwave.net%2F%7Edemik%2F68k%2FADB%2FDesign68_UK%252BFR.jpeg&hash=c8fab8005d94b4c719fd8b03bb390c17

I've seen something like that keyboard in an LGR video

Reply 124 of 128, by rasz_pl

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S3 Vision 968 VLB replica by Madao
S3 Vision 968 VLB replica
https://github.com/matt1187/968VL

I forgot about my own :0
Open Source AT&T Globalyst/NCR/FIC 486-GAC-2 proprietary Cache Module reproduction by rasz_pl
FIC 486-GAC-2 proprietary cache module - open source reproduction *Completed*
https://github.com/raszpl/FIC-486-GAC-2-Cache-Module

AT&T Globalyst/FIC 486-GAC-2 Cache Module reproduction
Zenith Data Systems (ZDS) ZBIOS 'MFM-300 Monitor' reverse engineering

Reply 125 of 128, by RayeR

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>S3 Vision 968 VLB replica
Nice, I have seen this video chip only on PCI cards yet. Does it mean that S3 made this chip to operate in both environments and there are some strap pins to select one or could potentialy any PCI chip work on VLB (with some ext. hacks or out of the box)?

Gigabyte GA-P67-DS3-B3, Core i7-2600K @4,5GHz, 8GB DDR3, 128GB SSD, GTX970(GF7900GT), SB Audigy + YMF724F + DreamBlaster combo + LPC2ISA

Reply 128 of 128, by Alahndro

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As far as I have checked, the following has not been added to this list:

It's a XT rebuild with isa-backplane and ISA-addon cards

https://www.homebrew8088.com/
https://github.com/homebrew8088/8088-PC-Compatible

A 16bit-version is also available:
https://github.com/homebrew8088/8086-PC-Compatible

A Youtube-Channel is also available (that's how I found it):
https://www.youtube.com/@elijahmmiller

What I find most curios: cpu and memory were put on separate ISA-cards, also for the fact that it makes routing much easier. Mainboard and cards are all 2-layer PCBs only