| 摘要 |
PROM CARD ARRANGEMENT FOR POSTAL/SHIPPING SCALE Efficient insertion of alternate carrier (AC) PROM boards and drop ship (DS) PROM boards into a limited number of slots in the rate rack of a microprocessor-based weighing scale is achieved by providing a distinguishing characteristic on the PROM board indicative of whether the PROM board is an AC or a DS-PROM board, and by programming the microprocessor to recognize the distinguishing characteristic and to access the proper PROM board in response to keyboard inputs by the scale user. In one embodiment disclosed, the distinguishing characteristic is data at a particular address on a PROM resident on the PROM board. In another embodiment of the invention, the distinguishing characteristic is a physical and/or electrical characteristic of the PROM board itself. Method and apparatus are disclosed. |
