Circuit for on-board programming of PRD serial EEPROMs

A memory module adapted to receive data from external circuitry for storing and to provide stored data to the external circuitry, the memory module comprising:

• a substrate having a plurality of electrical terminals;
• a volatile memory device mounted on the substrate and electrically connected to a first set of the terminals, the volatile memory device operable to store data;
• and
• a non-volatile memory device mounted on the substrate and electrically coupled to a second set of the terminals, the non-volatile memory device operable to receive a plurality of signals applied to the second set of terminals and to responsively store module information identifying the memory module.

A computer system, comprising:

• a data input device;
• a data output device;
• and
• computer circuitry coupled with the data input and output devices and including processing circuitry coupled with a memory module, the memory module being operable to receive data from the processing circuitry for storing and to provide stored data to the processing circuitry, the memory module comprising:
• a substrate having a plurality of terminals coupled with the processing circuitry;
• a volatile memory device mounted on the substrate and coupled with a first plurality of the terminals to provide data to the processing circuitry and receive data from the processing circuitry;
• a non-volatile memory device mounted and coupled with a second plurality of the terminals and operable to provide module information identifying the type and size of the memory module to the processing circuitry, the memory module being adapted to receive the module identification information for storage within the non-volatile memory device after assembly of the memory module.

A memory module operable to receive data from external circuitry for storing and to provide stored data to the external circuitry, the memory module comprising:

• a substrate having a plurality of terminals for electrically connecting the memory module to the external circuitry;
• a plurality of volatile memory devices mounted on said substrate for storing data, each volatile memory device being electrically connected to at least one of the terminals to provide data to the external circuitry and receive data from the external circuitry;
• a non-volatile memory device mounted on said substrate, said non-volatile memory device having a first port and a second port, the first port electrically connected to a first of the terminals, said non-volatile memory device storing module information and providing the module information to the external circuitry via the first port and the first terminal, the second port of said non-volatile memory device operable to receive an enabling signal to enable said non-volatile memory device to transfer the module information between the non-volatile memory device and the external circuitry;
• and
• interface circuitry mounted on said substrate, said interface circuitry coupling the second port of said non-volatile memory device with a second of the terminals for receiving the enabling signal.

A memory module operable to receive data from external circuitry for storing and to provide stored data to the external circuitry, the memory module comprising:

• a substrate having a plurality of terminals for electrically connecting the memory module to the external circuitry;
• a plurality of volatile memory devices mounted on said substrate for storing data, each volatile memory device being electrically connected to at least one of the terminals to provide data to the external circuitry and receive data from the external circuitry;
• a non-volatile memory device mounted on said substrate, said non-volatile memory device having a first port and a second port, the first port electrically connected to a first of the terminals, said non-volatile memory device storing module information and providing the module information to the external circuitry via the first port and the first terminal, the second port of said non-volatile memory device operable to receive an enabling signal to enable said non-volatile memory device to provide the module information to the external circuitry;
• and
• interface circuitry mounted on said substrate, said interface circuitry coupling the second port of said non-volatile memory device with a second of the terminals for receiving the enabling signal.

A computer system, comprising:

• a data input device;
• a data output device;
• a computer processing device coupled to said data input device and said data output device;
• and
• a memory module operable to receive and store data from the computer processing device and to provide stored data to the processing device, the memory module comprising:
• a substrate having a plurality of terminals for electrically connecting the memory module to the computer processing device;
• a plurality of volatile memory devices mounted on said substrate for storing data, each volatile memory device being electrically connected to at least one of the terminals to provide data to the external circuitry and receive data from the external circuitry;
• a non-volatile memory device mounted on said substrate, said non-volatile memory device having a first port and a second port, the first port electrically connected to a first of the terminals, said non-volatile memory device storing module and providing the module information to an external device via the first port and the first terminal, the second port of said non-volatile memory device operable to receive an enabling signal to enable said non-volatile memory device to transfer the module information between the non-volatile memory device and the external circuitry, and
• interface circuitry mounted on said substrate, said interface circuitry coupling the second port of said non-volatile memory device with a second of the terminals for receiving the enabling signal.

A computer system, comprising:

• a data input device;
• a data output device;
• a computer processing device coupled to said data input device and said data output device;
• and
• a memory module operable to receive and store data from the computer processing device and to provide stored data to the processing device, the memory module comprising:
• a substrate having a plurality of terminals for electrically connecting the memory module to the computer processing device;
• a plurality of volatile memory devices mounted on said substrate for storing data, each volatile memory device being electrically connected to at least one of the terminals to provide data to the computer processing device and receive data from the computer processing device;
• a non-volatile memory device mounted on said substrate, said non-volatile memory device having a first port and a second port, the first port electrically connected to a first of the terminals, said non-volatile memory device storing module information and providing the module information to an external device via the first port and the first terminal, the second port of said non-volatile memory device operable to receive an enabling signal to enable said non-volatile memory device to provide the module information to the external device;
• and
• interface circuitry mounted on said substrate, said interface circuitry coupling the second port of said non-volatile memory device with a second of the terminals for receiving the enabling signal.