Datasheet

(1) If the device receives a reset during cached writing, the reset completes after cached writing com-
pletes
(2) Initialized value of task file registers are shown in figure 58 below
(3) True IDE mode only
(4) If the device has received Set Features with feature code CCh prior to a reset, setting is reverted to
the power-on default
12.2 Register Initialization
After power on, hard reset, or software reset, the register values are initialized as shown in the following
figure.
50hAlternate Status
50hStatus
00hDevice/Head
00hCylinder High
00hCylinder Low
01hSector Number
01hSector Count
Diagnostic CodeError
Default ValueRegister
Figure 62. Default Register values
The meaning of the Error Register diagnostic codes resulting from power on, hard reset, or the
EXECUTE DEVICE DIAGNOSTICS command are shown in the following figure.
Device 1 failed8xh
Controller microprocessor error05h
ECC circuitry error04h
Sector buffer error03h
Formatter device error02h
No error detected01h
DescriptionCode
Figure 63. Diagnostic codes
Hard disk drive specification for DSCM-11000/-10512/-10340
64