What is a prom in vehicle?
A programmable read-only memory (PROM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse.
What does the prom do in an ECM?
Otherwise your car will run pretty screwed up if you did a vehicle to vehicle ecm swap without tossing in your old prom (i already listed what bad things can happen above). Remember, the prom is what holds the instructions for your specific engine to operate properly as it is configured for that engine.
What is a PROM chip?
PROM: Pronounced prom, an acronym for programmable read-only memory. A PROM is a memory chip on which data can be written only once. Once a program has been written onto a PROM, it remains there forever. Unlike RAM, PROMs retain their contents when the computer is turned off.
What is a GM prom?
Programmable Read Only Memory chips that were used on pre-OBDII (pre 1996) GM Engine and Powertrain Controllers.
What is the burning of PROM?
PROM is a way of allowing a user to tailor a microcode program using a special machine called a PROM programmer. This machine supplies an electrical current to specific cells in the ROM that effectively blows a fuse in them. The process is known as burning the PROM.
What does PROM night mean?
A promenade dance, commonly called a prom, is a dance party for high school students. It may be offered in semi-formal black tie or informal suit for boys, and evening gowns for girls. This event is typically held near the end of the school year.
How is PROM programmed?
Standard PROM can only be programmed once. This is because PROM chips are manufactured with a series of fuses. The chip is programmed by burning fuses, which is an irreversible process. The open fuses are read as ones, while the burned fuses are read as zeros.