CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION
70
6.1.16
Seek - 7XH
Bit ->
7
6
5
4
3
2
1
0
Command (7)
7XH
C / D / H ( 6 )
1
LBA
1
Drive
Head (LBA 27-24)
Cyl High (5)
Cylinder High (LBA 23-16)
Cyl Low (4)
Cylinder Low (LBA 15-8)
Sec Num (3)
X (LBA 7-0)
Sec Cnt (2)
X
Feature (1)
X
This command is effectively a NOP command to
the CompactFlash Memory Card although it does
perform a range check of cylinder and head or
LBA address and returns an error if the address is
out of range.
6.1.17
Set Features - EFH
Bit ->
7
6
5
4
3
2
1
0
Command (7)
EFH
C / D / H ( 6 )
X
Drive
X
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
Config
Feature (1)
Feature
This command is used by the host to establish or
select certain features. Table 6-5 defines all
features that are supported. Please note that the
9AH feature is unique to the CompactFlash
Memory Card and are not part of the ATA
Specification.