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5.1.8 Identify Device Data
The table below lists the sector data that will be returned by the SSD upon an
IDENTIFY DEVICE command.
Table 5-2: List of Device Identification
Word
V: Variable
Default Value Description
0 F 0040h
General configuration bit-significant
information
1 X 3FFFh
Obsolete – Number of logical cylinders
(16383)
2 V C837h Specific configuration
Obsolete – Number of logical heads (16)
6 X 003Fh
Obsolete – Number of logical sectors per
logical track (63)
7-8 V 00000000h
Reserved for assignment by the Compact
9 X 0000h Retired
10-19 F Varies Serial number (20 ASCII characters)
23-26 F Varies Firmware revision (8 ASCII characters)
27-46 F Varies Model number (xxxxxxxx)
47 F 8010h
7:0- Maximum number of sectors transferred
per interrupt on MULTIPLE commands
48 F 0000h Reserved
49 F 2F00h Capabilities
53 F 0007h Words 88 and 70:64 valid
54 X 3FFFh
Obsolete – Number of logical cylinders
(16383)
Obsolete – Number of logical heads (16)
56 X 003Fh
Obsolete – Number of logical sectors per track
(63)
Obsolete – Current capacity in sectors –
59 F 0110h
Number of sectors transferred per interrupt on
MULTIPLE commands
60-61 F 8GB-128GB Total number of user addressable sectors
Multi-word DMA modes supported/selected
64 F 0003h PIO modes supported
65 F 0078h
Minimum Multiword DMA transfer cycle time
per word
66 F 0078h
Manufacturer’s recommended Multiword DMA
transfer cycle time
