Hitachi HDS725050KLA360 Specifications - Page 90
Register initialization
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10.2 Register initialization After a power on, a hard reset, or a software reset, the register values are initialized as shown in the table below. Table 66: Default Register Values Register Error Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status Alternate Status Default Value Diagnostic Code 01h 01h 00h 00h A0h 50h 50h The meaning of the Error Register diagnostic codes resulting from power on, hard reset, or the Execute Device Diagnostic command is shown in the figure below. Table 67: Diagnostic codes Code 01h 02h 03h 04h 05h 8xh Description No error detected Formatter device error Sector buffer error ECC circuitry error Controller microprocessor error Device 1 failed Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification 76