Ever tried to build your own PC(CPU) from scratch

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#1 Michael26  Icon User is offline

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Ever tried to build your own PC(CPU) from scratch

Posted 12 April 2014 - 06:36 AM

Ever tried to build your own PC(CPU) from scratch , like this guy

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Magic-1 is a completely homebuilt minicomputer. It doesn't use an off-the-shelf microprocessor, but instead has a custom CPU made out of 74 Series TTL chips. Altogether there are more than 200 chips in Magic-1 connected together with thousands of individually wrapped wires. And, it works. Not only the hardware, but a full software stack. There's a ANSI C cross-compiler for Magic-1 (retargeted LCC), a fully multi-user, multi-tasking port of the Minix 2 operating system. a TCP/IP stack and hundreds of programs.


I was thinking about it but could never find the parts and time (with all the wars in '90s in Serbia, IT was merely a hobby, something you read other people do)

This post has been edited by Michael26: 12 April 2014 - 06:36 AM


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#2 modi123_1  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 12 April 2014 - 08:25 AM

No, I haven't.. It's an issue of no real interest to me.. I figure let the chip-heads get all wound up on that part, and I just need it as a piece of the whole project.
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#3 depricated  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 12 April 2014 - 09:48 AM

You might play too much Shadowrun if your first association with the word chiphead is a BTL junkie...
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#4 modi123_1  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 12 April 2014 - 11:17 AM

Conversely you played just the right amount.
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#5 depricated  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 12 April 2014 - 06:41 PM

to be fair, I got into computers because I dreamed of becoming a Decker
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#6 jjl  Icon User is offline

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 13 April 2014 - 03:14 AM

No, that sounds awful.

However, I once wrote my own soft core CPU on an FPGA. Then wrote the game snake in the assembly interpreted by the soft core CPU
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#7 no2pencil  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 13 April 2014 - 02:33 PM

I just found this IBM 5150 kit in March. Have not yet ordered it, but I did dig out my old IBM case to put it in :)
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#8 Marbelous  Icon User is offline

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 14 April 2014 - 09:45 AM

TTL? Pffftt... :sleep1:/>

Let's see him do that with a bag of vacuum tubes! (Stone knives and bearskins are optional.)

This post has been edited by Marbelous: 14 April 2014 - 09:46 AM

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#9 supersloth  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 14 April 2014 - 09:52 AM

*
POPULAR

i actually built my computer by carefully arranging and melting down sand, grain by grain, until i had something that an OS would install on.
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#10 Marbelous  Icon User is offline

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 14 April 2014 - 03:17 PM

View Postsupersloth, on 14 April 2014 - 11:52 AM, said:

i actually built my computer by carefully arranging and melting down sand, grain by grain, until i had something that an OS would install on.


You should get a booth to show it off at this year's "SillyCON". :rolleyes2:/>

Although I'll admit I'm old enough to remember working with the Intel 80xx chips I've never really thought about wiring up TTL level ICs into a CPU. BUT, it might be fun to try it in a virtual circuit simulation program. Well maybe not fun... but educational for sure.
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#11 xclite  Icon User is offline

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 15 April 2014 - 05:37 AM

All of mine are custom-built. Gives me something to do and I get what I want.
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#12 BetaWar  Icon User is offline

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 15 April 2014 - 11:30 AM

The closest I have come to a custom built PC was choosing the hardware on a website and having it all put together and shipped to me. Granted, either the motherboard, or the RAM is partially bad under certain circumstances, but it mostly works and it by far the most powerful machine I've owned.

*partially bad = random blue screens from time to time. I have run memtest on it multiple times (even once for an entire weekend) and the tests always pass, so I am thinking it is most likely the motherboard... but that gets expensive to replace and doesn't happen frequently enough to be a real pain.
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#13 depricated  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 15 April 2014 - 11:41 AM

xclite, betawar, you know he's talking about a hand-built Processor, not just the PC, right?
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#14 BetaWar  Icon User is offline

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 15 April 2014 - 12:09 PM

Oh yes, I know :) I just can't see even attempting that -- so far beyond my knowledge level.
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#15 modi123_1  Icon User is online

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Re: Ever tried to build your own PC(CPU) from scratch

Posted 15 April 2014 - 12:14 PM

Seems straight forward.

http://blog.notdot.n...d-your-own-FPGA
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