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
Bytes
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
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