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Cray-1 Hardware Reference Manual
- dang 11y agoA thread from 2010: https://news.ycombinator.com/item?id=1337157 https://news.ycombinator.com/item?id=1337157
- juliangamble 11y agoIt was amazing hardware at the time. What's incredible is you can now wear double the power of the Cray 2 on your wrist: http://apple.stackexchange.com/questions/194367/does-the-apple-watch-have-more-processing-power-than-a-cray-2-supercomputer http://apple.stackexchange.com/questions/194367/does-the-app...
- kens 11y agoBy the way, Ed Thelen (whose website has the manual) also runs the IBM 1401 website (http://ibm-1401.info/ http://ibm-1401.info/) with tons of information about that old mainframe and the restored 1401s at the Computer History Museum.
- whoopdedo 11y agoEach DD-19 has a capacity of 2.424 x 109 bits so that a maximum mass storage configuration could hold 9.7 x 109 8-bit characters. Is that supposed to be 10^9?
- lakkal 11y agoYes. There's a chart in the linked manual that states it with the superscripted 9.