SanDisk SDCFX3-004G-bulk Product Manual - Page 59
Table 5-7, Identify Device, Table 5-8, Identify Device Information
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SanDisk CompactFlash Card OEM Product Manual ATA Command Description 5.1.5 Identify Device-ECH The Identify Drive command enables the host to receive parameter information from a CompactFlash Memory 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 5-8. All reserved bits or words are "0". Table 5-7 Identify Device Bit 7 6 5 4 3 2 1 0 Command (7) ECH C/D/H (6) X X X Drive X Cyl High (5) X Cyl Low (4) X Sec Num (3) X Sec Cnt (2) X Feature (1) X Table 5-8 is the definition for each field in the Identify Device Information. Table 5-8 Identify Device Information Word Address 0 Default Value 848Ah Total Bytes 2 1 XXXXh 2 2 0000h 2 3 XXXXh 2 4 0000h 2 5 0000h 2 6 XXXXh 2 7-8 XXXXh 4 9 0000h 2 10-19 aaaa 20 20 0000h 2 21 0000h 2 22 0004h 2 23-26 aaa 8 27-46 aaaa 40 47 000Xh 2 48 0000h 2 49 0X00ha 2 50 0000h 2 Data Field Type Information General configuration bit-significant information Default number of cylinders Reserved Default number of heads 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) Reserved Serial number in ASCII (right justified) Buffer type (dual ported) Buffer size in 512 byte increments Number of ECC bytes passed on Read/Write Long Commands Firmware revision in ASCII (Rev M.ms) set by code Big Endian Byte Order in Word Model number in ASCII (left justified) Big Endian Byte Order in Word Maximum No. of Sectors on Read/Write Multiple command Double-word not supported Capabilities: DMA Supported (bit 8), LBA supported (bit 9) Reserved © 2007 SanDisk Corporation 5-5 Rev. 12.0, 02/07