Diagnostic And Reset Considerations; Table 47 Default Register Values; Table 48 Diagnostic Codes; Register Initialization - Hitachi CinemaStar P7K500 Specifications

8.1.1

Register Initialization

Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Alternate Status

Table 47 Default Register Values

After power on, hard reset, or software reset, the register values are initialized as shown in Table 47.

Table 48 Diagnostic Codes

The meaning of the Error Register diagnostic codes resulting from power on, hard reset or the Execute
Device Diagnostic command is shown in Table 48.

8.2 Diagnostic and Reset considerations

In each case of Power on Reset, COMRESET, Soft reset, and EXECUTE DEVICE DIAGNOSTIC command,
the device is diagnosed. And Error register is set as shown in 0.
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
Register
Code
01h No error Detected
02h Formatter device error
03h Sector buffer error
04h ECC circuitry error
05h Controller microprocessor error
65
Default Value
Diagnostic Code
01h
01h
00h
00h
A0h
50h
50h
Description