Installing an internal hard drive is one of the more straightforward upgrades out there—and is often a better option than using external drives that may be dropped or misplaced. The process usually ...

For power this drive needs 24 volts at 6 amps, 5 volts at 4.5 amps, and -12 volts at 4 amps. Fitting the drive into the PDP-11 rack requires a little mechanical adjustment but after making some ...