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SDP3B FlashDisk Product Manual
6.1.4
Format Track - 50H
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 writes the desired head and
cylinder of the selected drive with a FFh pattern.
To remain host backward compatible, the SDP3B
FlashDisk expects a sector buffer of data from the
host to follow the command with the same
6.1.5
Identify Drive - ECH
Bit ->
7
Command (7)
C/D/H (6)
X
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
The Identify Drive command enables the host to
receive parameter information from the SDP3B
FlashDisk. This command has the same protocol
as the Read Sector(s) command. The parameter
60
6
5
4
LBA
1
Drive
Cylinder High (LBA 23-16)
Cylinder Low (LBA 15-8)
X (LBA 7-0)
Count (LBA mode only)
6
5
4
X
X
Drive
SanDisk SDP3B FlashDisk Product Manual © 1998 SANDISK CORPORATION
3
2
50H
Head (LBA 27-24)
X
protocol as the Write Sector(s) command although
the information in the buffer is not used by the
SDP3B FlashDisk. If LBA=1 then the number of
sectors to format is taken from the Sec Cnt register
(0=256).
3
2
ECH
X
X
X
X
X
X
words in the buffer have the arrangement and
meanings defined in Table 6-3. All reserved bits or
words are zero. Table 6-3 is the definition for each
field in the Identify Drive Information.
1
0
1
0
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