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5.1.2. Execute Drive Diagnostic—90H
Bit ->
7
Command (7)
C/D/H (6)
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
This command performs the internal diagnostic tests implemented by the CompactFlash Memory Card.
The Diagnostic codes shown in Table 5-4 are returned in the Error Register at the end of the command.
5.1.3. Erase Sector(s)—C0H
Bit ->
7
Command (7)
C/D/H (6)
1
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
This command is no longer recommended. There is essentially no net gain in the use of the Erase Sectors Command
and/or the Write Without Erase Commands. This command is supported to guarantee backward compatibility.
®
CompactFlash
Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION
Table 5-3. Executive Drive Diagnostic
6
5
4
X
Drive
Table 5-4. Diagnostic Codes
Code
01h
No Error Detected
02h
Formatter Device Error
03h
Sector Buffer Error
04h
ECC Circuitry Error
05h
Controlling Microprocessor Error
8Xh
Slave Failed (True IDE Mode)
Table 5-5. Erase Sectors
6
5
4
LBA
1
Drive
Cylinder High (LBA 23-16)
Cylinder Low (LBA 15-8)
Sector Number (LBA 7-0)
Sector Count
3
2
90H
X
X
X
X
X
X
Error Type
3
2
C0H
Head (LBA 27-24)
X
ATA Command Description
1
0
1
0
5-3
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