Datasheet

SLCFxxxM2TU(I)(-x) CompactFlash Card
Datasheet
61000-07000-106, May 2011 44
5.4 Identify Drive Parameter
An example of the parameter information received from the CF Card when invoking the IDENTIFY DRIVE
command (ECh) is listed Table 27.
Note: For reference only, data subject to change.
Table 27: Identify Drive Parameters
Word
Hex
Data Field
Type
Information
Subset
Fixed (F)
Variable (V)
or Both (X)
Description
0
848Ah
or
044Ah
General
Configuration
bit significant
information
-
848Ah (Removable): When card is in PCMCIA
transfer modes, this word is set to CF
Standard Configuration Values
044Ah (Non-Removable): When card is in
TrueIDE transfer modes, this word is set to CF
Alternate Configuration Values
1
XXXXh
Default Number
of Cylinders
X
Default Number of Cylinders
2
0000h
Reserved
V
3
XXXXh
Default Number
of Heads
X
Default Number of Heads
4-5
0000h
0200h
Obsolete
X
6
XXXXh
Default Number
of Sectors per
Track
X
Default Number of Sectors per Track
7-8
2 @
XXXXh
Number of
Sectors per
Card
Word 7
V
Number of Sectors per Card (MSW)
Word 8
Number of Sectors per Card (LSW)
9
Obsolete
X
10-19
Unique
Serial Number
F
Reserved (20 ASCII Characters)
20-21
2 @
0000h
Obsolete
X
22
0004h
ECC Count
X
Number of ECC Bytes used on each sector in
the READ/WRITE LONG commands
23-26
4 Words
Firmware
Revision
F
Reserved (8 ASCII Characters)
27-46
20
Words
Model Number
F
Reserved (40 ASCII Characters)
47
0001h
Read/Write
Multiple Sector
Count
Bit 15-8
F
Permitted Value of 00h
Bit 7-0
F
Maximum number of sectors per block (1) that
the card supports for READ/WRITE
MULTIPLE commands
48
0000h
Reserved
F