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Chris Osborn
Works at MagicEdit.com
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Chris Osborn

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Dual-headed 8-bit computer, in the style of /r/Battlestations on reddit.
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Chris Osborn

➥ How-tos & learning  - 
 
This is the process I went through to take a circuit I designed in KiCAD and mill it on my PCB. The circuit converts the TTL level RGBI/CGA output from a Commodore 128 to analog which can then be used with older analog RGB monitors, or converted with another board to VGA. The PCB design is released under a Creative Commons license and is available on github.
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Chris Osborn

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The saga of FreezerDrive, a dead 80 meg hard drive I found hidden inside a Mac SE. Includes video and a bonus Mac SE teardown photo gallery.
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Awesome!
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Chris Osborn

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Opened up the MacSE so I could upgrade the RAM, and look what I found: a hard drive mounted inside it! Really didn't expect that since it still has dual floppies. Hard drive must be completely dead since I had no idea it was there and haven't had any address conflicts with external devices.
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Chris Osborn's profile photoPatrick Havens's profile photoJeroen Wiert Pluimers's profile photoRichard Kolb's profile photo
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actually I don't need either, but I figured it'd be easier to just gut the mac and put in all new stuff.
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Chris Osborn

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Thew newest Mac I have next to the oldest Mac I have
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Have him in circles
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It's Heavy Metal Week over on RetroBattlestations! This week is about posting your incredibly heavy computers. So far we've gotten a couple of small cabinet sized computers, but no big desks or large rooms of equipment. Anyone got an old HP-3000 with the washing machine sized hard drives? :-)
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Chris Osborn

➥ Show-and-tell  - 
 
Messing around with an old Mac SE in an attempt to see if I can view images in a web browser. I was able to get TCP traffic to route over an AppleTalk network, but only partially. For some reason the computer that handles the routing will only route traffic back from the LAN, and not from the internet. But with a little bit of hacking I was still able to load a web page on the Mac SE.
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Chris Osborn

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The hidden hard drive I found in the Mac SE was completely seized up. Just for fun though I opened it up and tried turning the platters by hand. This is what happened.
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Cool. Maybe there is hope for my vintage Mac after all.
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Chris Osborn

Tutorials/Guides  - 
 
Wondering how to get your retro computer connected to the internet? One way is to buy a special serial to ethernet or serial to WiFi adapter. But those can cost over $300. A better way is to use a Raspberry Pi!
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I just got card for Amiga 1200 to get it online , It goes in the Slot on the site and lets me connect an Ethernet cable. A3000 full network card. Many ways to get older tech online.
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Chris Osborn

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Wondering how to get your retro computer connected to the internet? One way is to buy a special serial to ethernet or serial to WiFi adapter. But those can cost over $300. A better way is to use a Raspberry Pi!
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I bet the Raspberry Pi group would like this
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Have him in circles
179 people
Rob Doss's profile photo
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I fix stuff, I build stuff, I invent stuff
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