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Address: 87.4000.3000 The DIAG_CHECK is used for diagnostic DMA writes to write a known ECC pattern into memory and to provide the ECC pattern on any PCI I/O read operation. This register provides the ECC that gets written to memory or appended to the I/O read operation if the USE_CHECK bit is set in the PYXIS_DIAG CSR. The primary use for this is to verify the error paths. | ||
| Reserved | <31:8>RO | N/A |
| DIAG_CHECK | <7:0>RW | For diagnostic DMA writes and PCI I/O reads, the DIAG_CHECK register provides the quadword ECC. |