Building a PDP-11 for the first time

Jerome Fine replies: I heard a rumour that one was sold to Ontario Hydro and they were the company who would not return the PDP-11/74. Thus far, everyone there denies it. Any possibility that the PDP-11/74 could be emulated under E11 with a hyperthreaded Pentium 4? Eventually John Wilson "MIGHT" get to the point when there is very little left to do?????? What extra details would be needed for such a system? Of course, it would end up running so much faster than the real PDP-11/74 and that might be a problem! A test on a 2.4 GHz Pentium 4 indicates that E11 might run about 50 times the speed of a PDP-11/93. The test was very short, mostly I just compared a VM: of about 7079 blocks against itself. Using a enhanced version of BINCOM (also the standard DEC version so the results can be duplicated), I found the following approximate times in seconds: PDP-11/83 28.57 35.13 750 MHz P III 1.85 2.53 2.4 Mhz P4 0.6? not done Sincerely yours, Jerome Fine -- If you attempted to send a reply and the original e-mail address has been discontinued due a high volume of junk e-mail, then the semi-permanent e-mail address can be obtained by replacing the four characters preceding the 'at' with the four digits of the current year.