CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION
61
Table 6-3 Identify Drive Information
Word
Address
Default
Value
Total
B y t e s
Data Field Type Information
0
848AH
2
General configuration bit-significant information
1
XXXX
2
Default number of cylinders
2
0000H
2
Reserved
3
XXXX
2
Default number of heads
4
0000H
2
Number of unformatted bytes per track
5
0240H
2
Number of unformatted bytes per sector
6
XXXX
2
Default number of sectors per track
7-8
XXXX
4
Number of sectors per card (Word 7 = MSW, Word 8 = LSW)
9
0000H
2
Reserved
10-19
aaaa
20
Serial number in ASCII (Right Justified)
20
0002H
2
Buffer type (dual ported)
21
0002H
2
Buffer size in 512 byte increments
22
0004H
2
# of ECC bytes passed on Read/Write Long Commands
23-26
aaaa
8
Firmware revision in ASCII (Rev M.ms) set by code Big Endian Byte Order in
Word
27-46
aaaa
40
Model number in ASCII (Left Justified) Big Endian Byte Order in Word
47
0001H
2
Maximum of 1 sector on Read/Write Multiple command
48
0000H
2
Double Word not supported
49
0200H
2
Capabilities: DMA NOT Supported (bit 8), LBA supported (bit 9)
50
0000H
2
Reserved
51
0100H
2
PIO data transfer cycle timing mode 1
52
0000H
2
DMA data transfer cycle timing mode Not Supported
53
0001H
2
Translation parameters are valid
54
XXXX
2
Current numbers of cylinders
55
XXXX
2
Current numbers of heads
56
XXXX
2
Current sectors per track
57-58
XXXX
4
Current capacity in sectors (LBAs)(Word 57 = LSW, Word 58 = MSW)
59
010XH
2
Multiple sector setting is valid
60-61
XXXX
4
Total number of sectors addressable in LBA Mode
62-127
0000H
138
Reserved
128-159
0000H
64
Reserved vendor unique bytes
160-255
0000H
192
Reserved
