Method and apparatus for logic analyzer observability of buffered memory module links
First Claim
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1. A method comprising:
- coupling a logic analyzer interface (LAI) having a first buffer to a buffered memory system;
coupling a first buffered memory module having a second buffer to the LAI; and
analyzing data traffic between the second buffer operating in a normal mode and a component of the buffered memory system using the first buffer operating in an LAI mode.
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Abstract
Some embodiments of the invention maintain a high degree of overall logic analysis and debug capabilities while simultaneously enabling the reduction of logic analyzer design complexity. Other embodiments of the invention provide a logical analyzer interface (LAI) mode of operation to memory module buffers by adding additional LAI features to the silicon designed to also operate in a normal mode. Other embodiments of the invention are described in the claims.
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Citations
23 Claims
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1. A method comprising:
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coupling a logic analyzer interface (LAI) having a first buffer to a buffered memory system;
coupling a first buffered memory module having a second buffer to the LAI; and
analyzing data traffic between the second buffer operating in a normal mode and a component of the buffered memory system using the first buffer operating in an LAI mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus comprising:
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a first connector configured to couple to a first memory module having a first buffer;
a second connector configured to couple to a logic analyzer probe;
a third connector configured to couple to a memory system, the memory system including a host and a second memory module having a second buffer; and
a third buffer configured to run in a logic analyzer interface mode when the first and second buffers are running in a normal mode. - View Dependent Claims (12, 13, 14, 15, 16)
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17. An apparatus comprising:
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an output interface;
a memory module interface configured to connect to a first buffered memory module;
a buffer configured to capture data traffic in a memory system that includes a host and a second buffered memory module, configured to retransmit the data traffic to the first buffered memory module at a first transfer rate, and configured to retransmit the data traffic to the output interface at a second transfer rate. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification