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wrljet's latest activity
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wrljet reacted to Byteshift's post in the thread A vintage computer shipping story in one photo with
Like.
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wrljet replied to the thread What 21st century computers do you think will be collectible?.People will be unearthing never-used Raspberry Pis in desk drawers for ages. I don't see those becoming collectible any time soon.
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Thanks in large part to this forum (and a friend who collects vintage computing equipment), I got my 5150 I purchased in late1981/early...
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wrljet reacted to Kelly Gray's post in the thread New addition to my trainer board collection with Like.
I found an MCS-80 board in a surplus store yesterday. It looks like someone started assembling the kit,but stopped before completing it...
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wrljet replied to the thread Building a Clone MITS 8800.I'm aware of that.
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The 8080's instruction set has an octal organization, but I hadn't found an 8080 opcode chart that visualizes this well, so I made one...
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wrljet replied to the thread Building a Clone MITS 8800.I'm not going to give away my CAD work but I will create dimensioned drawings from it. Just not "overnight".
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To improve the video wiggle I added the 220uF tantalums across the Gnd to 5V rails, this helped (I’m still using 14mhz crystal for the...
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wrljet replied to the thread IBM terminals (esp. 3270 series), character generator firmware.I wouldn't mind seeing the char ROM for the 3278 APL font.
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wrljet replied to the thread 80286 E-1 and E-2 errata.https://docs.pcjs.org/manuals/intel/80286/80286_B2_B3_Errata-1984-11-21.pdf...
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wrljet replied to the thread Bill Gates really did claim that the 640K barrier was due to his decisions - Is there any other actual evidence that this was not the case?.Oh, I see what you meant! The 8088 is missing also.
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wrljet replied to the thread Bill Gates really did claim that the 640K barrier was due to his decisions - Is there any other actual evidence that this was not the case?.What's the 4331 in this context? There's two rows of 9 DRAMs. Some have white labels that look like MK4332. The other ones look...
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wrljet replied to the thread Bill Gates really did claim that the 640K barrier was due to his decisions - Is there any other actual evidence that this was not the case?.Interesting article. I've seen those two pictures of the prototype planar board before and have thought about making up a semi-replica...
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I made a soundcard for the Ferguson Big Board to sit on the user parallel port. Who would like one ? direct message me ! (I've got...
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I did figure out how to get the machine to boot. I used 86Box to make a disk image and then used Balena Etcher to write it to the CF...