Transcend CompactFlash CF 133X Datasheet page 57

T
S 1 G ~ 3 2 G C F
T S 1 G ~ 3 2
G C F
T S 1 G ~ 3 2 G C F
Identify Device – Ech
The Identify Device command enables the host to receive parameter information from the
CompactFlash Storage Card. This command has the same protocol as the Read Sector(s) command. The
parameter words in the buffer have the arrangement and meanings defined in Table as below. All reserved
bits or words are zero. Hosts should not depend on Obsolete words in Identify Device containing 0. Table
47 specifies each field in the data returned by the Identify Device Command. In Table as below, X indicates
a numeric nibble value specific to the card and aaaa indicates an ASCII string specific to the particular
drive.
Word Default
Address Value
848Ah
0
1 XXXXh
2
3 00XXh
4
5
6 XXXXh
7-8 XXXXh
9 XXXXh
10-19
20
21
22
23-26
27-46
47 XXXXh
48
49 XX00h
50
Transcend Information Inc.
1 3 3
1 3 3
1 3 3
Total
Bytes
2 General configuration - signature for the CompactFlash 0 lash Storage Card
0XXX 2 General configuration – Bit Significant with ATA-4 definitions.
2 Default number of cylinders
0000h 2 Reserved
2 Default number of heads
0000h 2 Obsolete
0000h 2 Obsolete
2 Default number of sectors per track
4 Number of sectors per card (Word 7 = MSW, Word 8 = LSW)
2 Obsolete
aaaa 20 Serial number in ASCII (Right Justified)
0000h 2 Obsolete
0000h 2 Obsolete
0004h 2 Number of ECC bytes passed on Read/Write Long Commands
aaaa 8 Firmware revision in ASCII. Big Endian Byte Order in Word
aaaa 40 Model number in ASCII (Left Justified) Big Endian Byte Order in Word
2 Maximum number of sectors on Read/Write Multiple command
0000h 2 Reserved
2 Capabilities
0000h 2 Reserved
Data Field Type Information
57
133X CompactFlash Card