On 08/05/2017 06:29 PM, Eric Smith via cctalk wrote: > Bubble memory devices typically have many minor loops, not all of > which are usable. TI printed mask data on the label of the bubble > device, identifying the defective loops. When a bubble memory board > is installed or replaced in the terminal, it is necessary to put the > terminal into command mode and issue a test command to enter the > mask.
My recollection is that the track data was printed by Intel. At least mine came that way. It always seemed like a solution in search of a problem, given the power-hungry specialized ICs needed to run it. --Chuck
