Seagate ST500UM000 Product Manual page 25

Table 10 Identify Device command
Word Description
The mandatory value of the world wide name (WWN) for the drive. NOTE:
108-111
This field is valid if word 84, bit 8 is set to 1 indicating 64-bit WWN support.
112-118 ATA-reserved
119 Free Fall Protection support (bit 5)
120 Free Fall Protection enable/disable (bit 5)
121–127 ATA-reserved
128 Security status
129–159 Seagate-reserved
160–221 ATA-reserved
222 Transport major version number
223–254 ATA-reserved
255 Integrity word
See the bit descriptions below for words 63, 88 and 93 of the Identify Drive data.
N
OTE
Table 11 Bit Descriptions
Description (if bit is set to 1)
B W 63
IT ORD
0 Multiword DMA mode 0 is supported.
1 Multiword DMA mode 1 is supported.
2 Multiword DMA mode 2 is supported.
8 Multiword DMA mode 0 is currently active.
9 Multiword DMA mode 1 is currently active.
10 Multiword DMA mode 2 is currently active.
B W 88
IT ORD
0 Ultra DMA mode 0 is supported.
1 Ultra DMA mode 1 is supported.
2 Ultra DMA mode 2 is supported.
3 Ultra DMA mode 3 is supported.
4 Ultra DMA mode 4 is supported.
5 Ultra DMA mode 5 is supported.
S L T SSHD P
EAGATE APTOP HIN
M , R . B
RODUCT ANUAL EV
S ATA (SATA) I
ERIAL
Value
Each drive will have a unique value.
0000
H
1 = Free Fall Protection supported
0 = Free Fall Protection not supported
1 = Free Fall Protection feature is enabled
0 = Free Fall Protection feature is disabled
0000
H
0021
H
xxxx
H
0000
H
101F
H
0000
H
xxA5
H
NTERFACE
21