Old IO system: original IO system installed june 1950 (M-1053) - film unit - flexo writers - scopes R-177 mar 1950 drawings, timing 403 IOR, 404 COR, 410 IOC M-1108 oct 1950 Special Display R-203 orders briefly explained description? =============================== New IO system: M-1235 aug 1951 Operation of In-Out Control M-1451 jul 1952 Initial operation of WWI terminal equipment with the new In-Out System new IO system installed august 1952 (Q3 1952 report) M-1623-1 dec 1952 Programming for the in-out Units Auxiliary Magnetic Drum (not yet) si 70x Camera si 500 Clock register 31 Delayed Output Via Magnetic Tape Light Guns rd after display Magnetic Tape si 1nx Mechanical Tape Reader si 20x Photoelectric Tape Reader si 21x Printers si 2nx Punch si 20n Scopes si 6nn halt si 0 si 1 M-1733 nov 1952 A word-by-word mode of operation for the paper tape punch M-1734 dec 1952 WWI Control switches and Pushbuttons for normal operation of the computer device list M-1985 may 1953 Operation of Indicator Lights and Intervention Registers M-2188 jun 1953 Programming for and operation of Oscilloscope and Camera horizontal and vertical flipped camera si 500 replaced by si 4 both work until jul 1st M-2269 jul 1953 Use of the Magnetic Tape and Delayed Ouput equipment M-2269-1 feb 1954 Use of the Magnetic Tape and Delayed Ouput equipment E-466-1 feb 1954 Operation of the In-Out Element drawings (+ magtape matrix) operation timing M-2728 mar 1954 Increased facilities for visual display in the WWI Input-Output system some drawings (display matrix) M-1623-2 sep 1954 Programming for the in-out Units Auxiliary Magnetic Drum si 70x Buffer Magnetic Drum si 71x Magnetic Tape si 1nx Delayed Output Via Magnetic Tape Photoelectric Tape Reader si 21x Mechanical Tape Reader si 20x Printers si 225 Punch si 20n Scopes si 6nn point si 16nn vector si 26nn vector si 36nn character Camera si 4 Light Guns rd after display Clock si 5,7,11,12 Manual Insertion Registers si 302-337 si 300,301 Indicator Light Registers si 510-517 Marginal Checking si 2,3 halt si 0,1 device list jan 1953 in Whirlwind_Training_Program_Material.pdf (pdf pg 38)