> This is a later version of our computer... Nice YouTube video, thanks. > To load the OS, you first had to hand key in a bootstrap loader in octal (base 8) o

> This is a later version of our computer... Nice YouTube video, thanks. > To load the OS, you first had to hand key in a bootstrap loader in octal (base 8) on the front panel. When I eventually got to university in 1978, we had a PDP-11 of some sort, and I recall entering the boot program by setting the address and data toggle switches and booting from paper tape. I have no idea if it was core memory. Those were the days :)