> When I went to the University of Waterloo, in the mid 1970's, I had a > professor who did his masters at MIT. > They had a vacuum tube computer that had all its tubes mounted on both walls > of what was basically a 6-metre corridor. > Somebody would have to go in everyday and run the erasor end of a pencil > across all the tubes. If the lights shook, the tube touched had to be > replaced or re-seated.
3033s had something along those lines as well. During installation, the engineer would give each module a whack with a little hammer, and look for flipped bits. -- Will ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
