HANBit
HFDOM40K3R
Cyl High(5)
X
Cyl Low(4)
Sec Num(3)
Sec Cnt(2)
Feature(1)
X
X
X
X
Identify Drive
The Identify Drive 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 . All reserved bits or words are zero. Table 40 is the definition for each field in the
Identify Drive Information.
Table: Identify Drive Information
Word
Default
Value
848Ah
xxxxh
0000h
00xxh
xxxxh
xxxxh
xxxxh
xxxxh
xxxxh
aaaa
Total
Data Field Type Information
Address
0
Bytes
2
General configuration – signature for the CompactFlash Storage Card
Default number of cylinders
1
2
2
2
Reserved
3
2
Default number of heads
4
2
Number of unformatted bytes per track
Number of unformatted bytes per sector
Default number of sectors per track
Number of sectors per card (Word 7 = MSW , word 8 = LSW)
Vendor Unique
5
2
6
2
7-8
9
4
2
10-19
20
20
2
Serial number in ASCII (Right Justified )
Buffer type
xxxxh
xxxxh
0004h
aaaa
21
2
Buffer size in 512 byte increments
# of ECC bytes passed on Read/Write Long Commands
Firmware revision in ASCII. Big Endian Byte Order in Word
Model number in ASCII (Left Justified) Big Endian Byte Order in Word
Maximum number of sectors on Read/Write Mutliple command
Double Word not supported
22
2
23-26
27-46
47
8
aaaa
40
2
xxxxh
0000h
xx00h
0000h
0x00h
0000h
0001h
Xxxxh
xxxxh
xxxxh
xxxxh
48
2
49
2
Capabilities
50
2
Reserved
51
2
PIO data transfer cycle timing mode
DMA data transfer cycle timing mode
Translation parameters are valid
52
2
53
2
54
2
Current numbers of cylinders
55
2
Current numbers of heads
56
2
Current sectors per track
57-58
4
Current capacity in sectors(LBAs)(Word 57 = LSW , Word 58 = MSW)
URL:www.hbe.co.kr
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HANBit Electronics Co., Ltd.
Rev. 2.0 (October. 2004)