Identify Device Command - Seagate Momentus Thin 7200 RPM Product Manual

5.3.1

Identify Device command

The Identify Device command (command code EC
organized as a single 512-byte block of data, whose contents are shown in the table on page 27. All reserved bits or words should be set
to zero. Parameters listed with an "x" are drive-specific or vary with the state of the drive.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
W D
ORD ESCRIPTION
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
0 • Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
1 Number of logical cylinders
2 ATA-reserved
3 Number of logical heads
4 Retired
5 Retired
6 Number of logical sectors per logical track: 63
7–9 Retired
10–19 Serial number: (20 ASCII characters, 0000
20 Retired
21 Retired
22 Obsolete
23–26 Firmware revision (8 ASCII character string, padded with
blanks to end of string)
27–46 Drive model number: (40 ASCII characters, padded with
blanks to end of string)
47 (Bits 7–0) Maximum sectors per interrupt on Read multiple
and Write multiple (16)
48 Reserved
49 Standard Standby timer, IORDY supported and may be dis-
abled
50 ATA-reserved
51 PIO data-transfer cycle timing mode
52 Retired
53 Words 54–58, 64–70 and 88 are valid
54 Number of current logical cylinders
55 Number of current logical heads
56 Number of current logical sectors per logical track
57–58 Current capacity in sectors
59 Number of sectors transferred during a Read Multiple or
Write Multiple command
M T P
OMENTUS HIN RODUCT
) transfers information about the drive to the host following power up. The data is
H
= none)
H
M , G -2 R . G
ANUAL EN EV
V
ALUE
0C5A
H
16,383
0000
H
16
0000
H
0000
H
003F
H
0000
H
ASCII
0000
H
0400
H
0000
H
x.xx
ST320LT007 - 9ZV142
ST320LT009 - 9WC142
ST320LT014 - 9YK142
ST250LT007 - 9ZV14C
ST250LT009 - 9WC14C
ST250LT014 - 9YK14C
ST160LT007 - 9ZV14D
ST160LT009 - 9WC14D
ST160LT014 - 9YK14D
8010
H
0000
H
2F00
H
0000
H
0200
H
0200
H
0007
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
xxxx
H
25