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1. 发明申请

US20090006837A1 METHOD AND APPARATUS FOR IMPROVED MEMORY RELIABILITY, AVAILABILITY AND SERVICEABILITY 有权
标题翻译：改进的存储器可靠性，可用性和可维护性的方法和装置
公开(公告)号：US20090006837A1
公开(公告)日：2009-01-01
申请号：US11771994
申请日：2007-06-29
申请人： MICHAEL A. ROTHMAN , Vincent J. Zimmer , Fernando A. Lopez , Robert C. Swanson , Mallik Bulusu
发明人： MICHAEL A. ROTHMAN , Vincent J. Zimmer , Fernando A. Lopez , Robert C. Swanson , Mallik Bulusu
IPC分类号： G06F1/24
CPC分类号： G06F11/1044
摘要： Methods and apparatus dynamically reconfigure storage or channel capacities in a memory system. A fully-buffered dual in-line memory module (DIMM) is configured for a particular storage capacity and a particular channel capacity. An error may be detected at a memory address in some portion of the DIMM. To resolve the problem, the storage capacity or the channel capacity may be reduced and the DIMM may be dynamically reconfigured according to the reduced capacity. For one embodiment the DIMM may be reconfigured by mapping the portion of the DIMM containing the error as unavailable and taking that portion off-line without taking the entire DIMM off-line. For another embodiment the DIMM may be reconfigured by throttling the DIMM at a reduced frequency. The portion of the DIMM containing the error may be retested at the reduced frequency. If no errors are detected, the DIMM may be made available at the reduced frequency.
摘要翻译：方法和装置动态地重新配置存储器系统中的存储或信道容量。全缓冲双列直插式内存模块（DIMM）配置为特定存储容量和特定通道容量。在DIMM的某些部分的存储器地址可能会检测到错误。为了解决这个问题，可以减少存储容量或信道容量，并且可以根据容量的降低来动态地重新配置DIMM。对于一个实施例，可以通过将包含错误的DIMM的部分映射为不可用并且将该部分离线地取出而不使整个DIMM离线地将DIMM重新配置。对于另一个实施例，可以通过以降低的频率来调节DIMM来重新配置DIMM。包含错误的DIMM部分可能会以降低的频率进行重新测试。如果没有检测到错误，则可以以降低的频率使DIMM可用。

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