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US 5,963,463 AGranted
Method for on-board programming of PRD serial EEPROMS
AssigneeMicron Electronics, Inc.
InventorsThomas C. Rondeau, II, Allan R. Magee
Life of this patent
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AssigneeMicron Electronics, Inc.
InventorsThomas C. Rondeau, II, Allan R. Magee
Estimating the term…
A memory module is described which can be programmed with module information, identifying the type and size of the memory module, after completed assembly of the memory module. The memory module includes a plurality of edge connectors for electrically connecting the memory module circuitry external to the memory module, and a plurality of DRAM memory devices electrically connected to corresponding edge connectors for receiving and providing data from and to the external circuitry. The memory module also includes a Serial EEPROM for storing the module information. The Serial EEPROM has a Serial Data pin connected to a first of the edge connectors for providing the module information to the external circuitry. The Serial EEPROM has a Write Control pin for receiving an enabling signal which selectively enables the operation of the Serial EEPROM in Write or Read-Only mode. The memory module further includes interface circuitry which couples the Write Control pin with a second and a third of the edge connectors. The Write Control pin is coupled to the second edge connector, where V.sub.ss is applied, by a circuit element, such as a jumper, suitable for temporarily connecting the Write Control pin to the second edge connector. A resistor couples the Write Control pin to the third edge connector where V.sub.cc is applied.
In a memory module having a substrate with a plurality of terminals, a volatile memory device, and a non-volatile memory device, a method of storing data identifying the memory module in the non-volatile memory device, comprising:
In a memory module having a substrate with a plurality of terminals, a volatile memory device, and a non-volatile memory device operable to receive a write enabling signal or a write disabling signal and to correspondingly receive data for storage or provide stored data, a method of storing data identifying the memory module in the non-volatile memory device, comprising:
In a memory module having a substract with a plurality of terminals, a plurality of volatile memory devices and a non-volatile memory devices, the non-volatile memory device having first and second ports, the first port for receiving a signal enabling the non-volatile memory device to receive data for storing, the second port for receiving the data to be stored, a method of storing module information identifying the memory module in the non-volatile memory device, comprising:
A method of operating a memory module having a substrate with a plurality of terminals, and a plurality of volatile memory devices coupled to at least some of the terminals for coupling data to the volatile memory devices for storage and coupling data from the volatile memory devices for output to an external device, the method comprising:
Dependencies are inferred from the claim text.