Looking at the price of the 32kb memory module from 1982 is very interesting --- It would take 516,000 of these boards to have the 16GB of memory on the USB drive I am using.
David talks about his computer collecting and how he found the piece used in this blog.
Moore's law predicts that the density of integrated circuits will double about every 1.5 years. Gordon Moore made this prediction in 1965. The prediction has proven to be so good that it is used in long term planning by in the semiconductor industry to guide long-term planning and to set targets for research and development.
Look below the Jade Computer Products invoice for more interesting and fun calculations.
"Click" on image to enlarge for easy reading
The following calculations are comparing the price and size of the Jade 32KB module to a current 16GB USB memory module .
516,000 Jade modules would be needed for 16GB.
$7 million dollars at $169 per board to have 16 GB of memory. These are 1982 prices it would be much more in today's $. It would really take some deep pockets in those days for 16GB -- now it cost about $12.
Placed end to end the 516,000 boards would be 100 miles long - the distance from Baltimore to Philadelphia.
The Jade Memory module was sold in 1982 --- one more comparison --
John Titus designed the MARK8 microcomputer in 1974 with 4 KB of memory
This is 1/16 the memory of the Jade board.
These memory boards placed end to end would reach 400 miles - the
distance from San Francisco to Los Angeles.
|1977 prices for Jade Memory|
The price of Jade memory modules seem to have decreased in price by 4 from 1977 to 1982 --See 1977 Jade advertisement to the right. Click to enlarge the image.
You can see Moore's law at work here.
Several Days after writing this bog I was exploring the Museum warehouse for a vintage computer to make a video.
"CLICK" to enlarge
|David G Larsen|
"by David Larsen" KK4WW Computer Collector Historian
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