Owner's manual

503/503-P1 Series Industrial Grade SSD Product Manual v2.0Cactus Technologies
®
23
Table 5-10. Identify Drive Information
Word
Address
Default
Value
Total
Bytes
Data Field Type Information
0 045AH 2 General conguration bit-signicant information.
1 XXXXH 2 Default number of cylinders; capacity dependent.
2 0000H 2 Reserved.
3 00XXH 2 Default number of heads; capacity dependent.
4 0000H 2 Number of unformatted bytes per track.
5 0200H 2 Number of unformatted bytes per sector.
6 XXXXH 2 Default number of sectors per track; capacity dependent.
7-8 XXXXH,XXXXH 4
Number of sectors per drive (Word 7 = MSW, Word 8 = LSW);
capacity dependent.
9 0000H 2 Reserved.
10-19 aaaa 20 Serial number in ASCII (Right Justied).
20 0002H 2 Buer type (dual port).
21 0001H 2 Buer size in 512 byte increments.
22 0004H 2 Number of ECC bytes passed on Read/Write Long Commands.
23-26 aaaa 8 Firmware revision in ASCII . Big Endian Byte Order in Word.
27-46 aaaa 40
Model number in ASCII (Left Justied) Big Endian Byte Order in
Word.
47 8001H 2 Maximum 1 sector on Read/Write Multiple command.
48 0000H 2 Double Word not supported.
49 0F00H 2
Capabilities: DMA Supported in True IDE mode (bit 8), LBA sup-
ported (bit 9).
50 4001H 2 Capabilities: device specic standby timer minimum.
51 0200H 2 PIO data transfer cycle timing mode
52 0000H 2
Single Word DMA data transfer cycle timing mode (not support-
ed).
53 0007H 2 Data elds 54-58,64-70 and 88 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; low byte is capacity dependent.
60-61 XXXX 4 Total number of sectors addressable in LBA Mode.
62 0000H 2 Reserved
63 0X0XH 2
Multiword DMA modes supported; upper byte reects currently
selected MWDMA mode.
64 0003H 2 Advanced PIO modes supported (modes 3 and 4)
65 0078H 2 Minimum MWDMA cycle time per word is 120ns.
66 0078H 2 Recommended MWDMA cycle time is 120ns.