IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 88
Register initialization
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9.2 Register initialization After power on, hard reset, or software reset, the register values are initialized as shown in the figure below. 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 Figure 76. Default Register Values The meaning of the Error Register diagnostic codes resulting from power on, hard reset, or the Execute Device Diagnostic command are shown in the figure below. 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 Figure 77. Diagnostic Codes Deskstar 120GXP hard disk drive specifications 74
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9.2 Register initialization
After power on, hard reset, or software reset, the register values are initialized as shown in the figure
below.
50h
Alternate Status
50h
Status
A0h
Device/Head
00h
Cylinder High
00h
Cylinder Low
01h
Sector Number
01h
Sector Count
Diagnostic Code
Error
Default Value
Register
Figure 76. Default Register Values
The meaning of the Error Register diagnostic codes resulting from power on, hard reset, or the Execute
Device Diagnostic command are shown in the figure below.
Device 1 failed
8xh
Controller microprocessor error
05h
ECC circuitry error
04h
Sector buffer error
03h
Formatter device error
02h
No error detected
01h
Description
Code
Figure 77. Diagnostic Codes
Deskstar 120GXP hard disk drive specifications
74