Barracuda ES+ Serial ATA Product Manual, Rev. B 37
Note. Advanced Power Management (APM) is supported. APM is disabled by default but you may enable APM
using the SATA set features commands. Use the time settings stated below:
Enable Idle 1 Options:
Word 0x53 set to 0x7D09
Word 0xE3 set to 0x1388 // 5 seconds
Word 0xE4 set to 0x2710 // 10 seconds
Word 0xE5 set to 0x0015 // 21 seconds
Word 0xE6 set to 0x0025 // 37 seconds
Word 0x5B set to 0xFEFE
Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data.
128 Security status 0001
H
129–
159
Seagate-reserved xxxx
H
160–
254
ATA-reserved 0000
H
255 Integrity word xxA5
H
Description (if bit is set to 1)
Bit Word 63
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.
Bit Word 88
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.
6 Ultra DMA mode 6 is supported.
8 Ultra DMA mode 0 is currently active.
9 Ultra DMA mode 1 is currently active.
10 Ultra DMA mode 2 is currently active.
11 Ultra DMA mode 3 is currently active.
12 Ultra DMA mode 4 is currently active.
13 Ultra DMA mode 5 is currently active.
14 Ultra DMA mode 6 is currently active.
Word Description Value
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