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sergey
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sergey
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Today,
11:06 AM
eeguru
replied to a thread
System/36 Free on Facebook (Kansas City)
in
Vintage Computer Items For Sale or Trade
I hear a local friend of mine in Atlanta is 2nd in line for this machine and has me standing by for an impromptu road-trip. Anyone here the #1 in...
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2 replies | 63 view(s)
Yesterday,
10:04 AM
eeguru
replied to a thread
The sad case of Computer Reset
in
General Off Topic
The last liquidation of the Tandy Radio Shack HQ was handled by a generic estate sale company, hired by the banks, which had zero experience in...
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10 replies | 353 view(s)
December 6th, 2019,
05:41 AM
eeguru
replied to a thread
First YouTube video experience
in
General Off Topic
Link? lol
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25 replies | 592 view(s)
November 27th, 2019,
10:09 AM
eeguru
replied to a thread
New project - the ROMulator, successor to the PETvet (RAM/ROM replacement plus debug)
in
Commodore
I don't understand. The iCE40up5k is not a 5V nor 5V tolerant part. How are you doing level translation?
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25 replies | 882 view(s)
November 24th, 2019,
09:15 PM
eeguru
replied to a thread
Roast my design: 16-bit ISA memory board
in
PCs and Clones
Don't worry about 0-wait under 1MB of RAM. 2 cycles vs 3 is 50% faster but you are never going to make a 286 into a speed demon. Most era-correct...
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31 replies | 868 view(s)
November 24th, 2019,
01:16 AM
eeguru
replied to a thread
Roast my design: 16-bit ISA memory board
in
PCs and Clones
You can achieve 1 wait but not zero unless you decode LA and assert combinatorially within 1 CLK in combination with asserting ZWS# within 1 cycle of...
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31 replies | 868 view(s)
November 18th, 2019,
07:10 PM
eeguru
replied to a thread
Chester Electronics Kenosha
in
General Off Topic
Saw that video today as well in my YouTube suggested links. Was like a time machine.
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3 replies | 175 view(s)
November 16th, 2019,
06:45 PM
eeguru
replied to a thread
what are you willing to pay for a non working computer?
in
General Vintage Computer Discussions
Are you crazy? No one has that kind of money...
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11 replies | 530 view(s)
November 16th, 2019,
04:43 PM
eeguru
replied to a thread
I wish to create a new DMA/RAM expansion card for the Tandy 1000 line.
in
Tandy/Radio Shack
Is there anyway they can do a proper double-tall male header with offset shroud like on the original RAM expansion Plus board? That way, whatever...
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572 replies | 33716 view(s)
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