Table 5.5 Information to be read by IDENTIFY DEVICE command (1 of 5)
Word | Value | Description |
0 | X‘045A’ | General Configuration *1 |
1 | *2 | Number of cylinders |
2 | X‘0000’ | Reserved |
3 | *3 | Number of Heads |
4 | X‘0000’ | Retired |
5 | X‘0000’ | Retired |
6 | X‘003F’ | Number of sectors per track |
X‘000000000000’ | Retired | |
– | Serial number (ASCII code) *4 | |
20 | X‘0000’ | Retired |
21 | X‘0400’ | Buffer size in 512 byte increments |
22 | X‘0004’ | Number of ECC bytes transferred at READ LONG or WRITE LONG command |
– | Firmware revision (ASCII code) *5 | |
– | Model number (ASCII code) *6 | |
47 | X‘8010’ | Maximum number of sectors per interrupt on READ/WRITE MULTIPLE command |
48 | X‘0000’ | Reserved |
49 | X‘0B00’ | Capabilities *7 |
50 | X‘0000’ | Reserved |
51 | X‘0200’ | PIO data transfer mode *8 |
52 | X‘0000’ | Retired |
53 | X‘0007’ | Enable/disable setting of words |
54 | (Variable) | Number of current Cylinders |
55 | (Variable) | Number of current Head |
56 | (Variable) | Number of current sectors per track |
(Variable) | Total number of current sectors | |
59 | *10 | Transfer sector count currently set by READ/WRITE MULTIPLE command |
*11 | Total number of user addressable sectors (LBA mode only) | |
62 | X‘0000’ | Retired |
63 | X‘xx07’ | Multiword DMA transfer mode *12 |
64 | X‘0003’ | Advance PIO transfer mode support status *13 |
65 | X‘0078’ | Minimum multiword DMA transfer cycle time per word : 120 [ns] |
66 | X‘0078’ | Manufacturer's recommended DMA transfer cycle time : 120 [ns] |
67 | X‘00F0’ | Minimum PIO transfer cycle time without flow control : 240 [ns] |
68 | X‘0078’ | Minimum PIO transfer cycle time with IORDY flow control : 120 [ns] |
X‘00’ | Reserved | |
80 | X‘001E’ | Major version number *14 |
81 | X‘000F’ | Minor version number ATA/ATAPI 4 X3T13 1153D Support of rev 7 |
82 | X‘346B’ | Support of command sets *15 |
83 | X‘4008’ | Support of command sets *16 |
84 | X‘4000’ | Support of command set/feature extension (fixed) |
85 | X‘xxxx’ | Enable/disable Command set/feature enabled. *17 |
86 | X‘xxxx’ | Enable/disable Command set/feature enabled. *18 |
87 | X‘4000’ | Default of command set/feature (fixed) |
88 | X‘xx1F’ | Ultra DMA modes *19 |
89 | X‘xxxx’ | Time required for security erase unit completion |
90 | X‘0000’ | Time required for Enhanced security erase completion |
91 | X‘00xx’ | Current advanced power management value |
92 | X‘0000’ | Reserved |
93 | X‘xxxx’ | CBLID detection results *20 |
X‘00’ | Reserved | |
128 | X‘00xx’ | Security Status *21 |
X‘00’ | Reserved |
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