MEMORY ERROR REPAIR

摘要

In response to a first memory access transaction having a first base address, data fields and a repair fields are retrieved from a first DRAM channel. The data fields include a first data field. The repair fields include a first repair field storing repair data. The repair data is to replace any data in the first data field. In response to a second memory access transaction having a second base address, repair tag fields are retrieved from a second DRAM channel. The repair tag fields include a repair tag field that indicates the repair data is be replace the data stored in the first data field.

主权项

1. A memory system, comprising:
a first memory channel configured to receive at least a first memory module; a second memory channel configured to receive at least a second memory module; and, a controller having a first interface connected to the first memory channel and a second interface connected to the second memory channel, the controller configured to couple a first access on the first memory channel directed to a first memory address space to a second access on the second memory channel directed to a second memory address space, the first access being to receive a data field and a repair field, the second access being to receive at least a first address field to indicate at least a first portion of the data field to be replaced by a first portion of the repair field.