T
T
T
r
r
r
a
a
a
n
n
n
s
s
s
c
c
c
e
e
e
n
n
n
d
d
d
I
I
I
n
n
n
d
d
d
u
u
u
s
s
s
t
t
t
r
r
r
i
i
i
a
a
a
l
l
l
C
C
C
F
F
F
C
C
C
a
a
a
r
r
r
d
d
d
T
T
T
S
S
S
1
1
1
2
2
2
8
8
8
M
M
M
~
~
~
1
1
1
6
6
6
G
G
G
C
C
C
F
F
F
2
2
2
0
0
0
0
0
0
I
I
I
Transcend Information Inc.
V1.2
Removable Device while preserving all Retired bits in the word.
0040h: This is the alternate value of Word 0 turns on ATA device and turns off Removable Media and
Removable Device while zeroing all Retired bits in the word
Bit 15-12: Configuration Flag
If bits 15:12 are set to 8h then Word 0 shall be 848Ah.
If bits 15:12 are set to 0h then Bits 11:0 are set using the definitions below and the Card is required to
support for the CFA command set and report that in bit 2 of Word 83.
Bit 15:12 values other than 8h and 0h are prohibited.
Bits 11-8: Retired
These bits have retired ATA bit definitions. It is recommended that the value of these bits be either the
preferred value of 0h or the value of 4h that preserves the corresponding bits from the 848Ah CF signature
value.
Bit 7: Removable Media Device
If Bit 7 is set to 1, the Card contains media that can be removed during Card operation.
If Bit 7 is set to 0, the Card contains nonremovable media.
Bit 6: Not Removable Controller and/or Device
Alert! This bit will be considered for obsolescence in a future revision of this standard.
If Bit 6 is set to 1, the Card is intended to be nonremovable during operation.
If Bit 6 is set to 0, the Card is intended to be removable during operation.
Bits 5-0: Retired/Reserved
Alert! Bit 2 will be considered for definition in a future revision of this standard and shall be 0 at this
time.
Bits 5-1 have retired ATA bit definitions.
Bit 2 shall be 0.
Bit 0 is Reserved and shall be 0.
It is recommended that the value of bits 5-0 be either the preferred value of 00h or the value of 0Ah that
preserves the corresponding bits from the 848Ah CF signature value.
Word 1: Default Number of Cylinders
This field contains the number of translated cylinders in the default translation mode. This value will be the
same as the number of cylinders.
Word 3: Default Number of Heads
This field contains the number of translated heads in the default translation mode.
Word 6: Default Number of Sectors per Track
This field contains the number of sectors per track in the default translation mode.
Words 7-8: Number of Sectors per Card
This field contains the number of sectors per CompactFlash Storage Card. This double word
value is also the first invalid address in LBA translation mode.
Words 10-19: Serial Number
This field contains the serial number for this CompactFlash Storage Card and is right justified and padded
with spaces (20h).
Word 22: ECC Count
This field defines the number of ECC bytes used on each sector in the Read and Write Long commands.
This value shall be set to 0004h.
Words 23-26: Firmware Revision
This field contains the revision of the firmware for this product.
Words 27-46: Model Number
(2 pages)
(24 pages)
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