摘要:
A buffered memory module including a downstream buffer, a downstream receiver, an upstream driver, an upstream receiver. The downstream buffer and the downstream receiver are both adapted for connection to a downstream memory bus in a packetized cascaded interconnect memory subsystem. The upstream driver and the upstream receiver are both adapted for connection to an upstream memory bus in the memory subsystem. During a test of the memory module, the upstream driver is connected to the downstream receiver and the downstream driver is connected to the upstream receiver. The memory module also includes one or more storage registers, a microprocessor and a service interface port. The microprocessor includes instructions for executing the test of the memory module including storing results of the test in the storage registers. The service interface port receives service interface signals that initiate the execution of the test and accesses the storage registers to determine the results of the test.
摘要:
A buffered memory module including a downstream buffer, a downstream receiver, an upstream driver, an upstream receiver. The downstream buffer and the downstream receiver are both adapted for connection to a downstream memory bus in a packetized cascaded interconnect memory subsystem. The upstream driver and the upstream receiver are both adapted for connection to an upstream memory bus in the memory subsystem. During a test of the memory module, the upstream driver is connected to the downstream receiver and the downstream driver is connected to the upstream receiver. The memory module also includes one or more storage registers, a microprocessor and a service interface port. The microprocessor includes instructions for executing the test of the memory module including storing results of the test in the storage registers. The service interface port receives service interface signals that initiate the execution of the test and accesses the storage registers to determine the results of the test.
摘要:
A buffer device for testing a memory subsystem. The buffer device includes a parallel bus port adapted for connection to a slow speed bus and a serial bus port adapted for connection to a high speed bus. The high speed bus operates at a faster speed than the slow speed bus. The buffer device also includes a bus converter having a standard operating mode for converting serial packetized input data received via the serial bus port into parallel bus output data for output via the parallel bus port. The buffer device also includes an alternate operating mode for converting parallel bus input data received via the parallel bus port into serial packetized output data for output via the serial bus port. The serial packetized input data is consistent in function and timing to the serial packetized output data.
摘要:
A buffer device for testing a memory subsystem. The buffer device includes a parallel bus port adapted for connection to a slow speed bus and a serial bus port adapted for connection to a high speed bus. The high speed bus operates at a faster speed than the slow speed bus. The buffer device also includes a bus converter having a standard operating mode for converting serial packetized input data received via the serial bus port into parallel bus output data for output via the parallel bus port. The buffer device also includes an alternate operating mode for converting parallel bus input data received via the parallel bus port into serial packetized output data for output via the serial bus port. The serial packetized input data is consistent in function and timing to the serial packetized output data.