Barracuda 7200.7 Product Manual, Rev. E 29
Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) f eatu res are n ot supporte d
Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data:
100–103 Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
These words are required for drives that support the 48-bit addressing
feature. Maximum value: 0000FFFFFFFFFFFFh.
ST3160021A = 312,581,808
ST3160023A = 312,581,808
ST3120022A = 234,441,648
ST3120026A = 234,441,648
ST380011A = 156,301,488
ST380013A = 156,301,488
ST360014A = 117,231,408
ST340014A = 78,165,360
104–127 ATA-reserved 0000H
128 Security status 0001H
129–159 Seagate-reserved xxxxH
160–254 ATA-reserved 0000H
255 Integrity word xxA5H
Description (if bit is set to 1)
Bit Word 63
0Multiword DMA mode 0 is supported.
1Multiword DMA mode 1 is supported.
2Multiword DMA mode 2 is supported.
8Multiword DMA mode 0 is currently active.
9Multiword DMA mode 1 is currently active.
10 Multiword DMA mode 2 is currently active.
Bit Word 88
0Ultra DMA mode 0 is supported.
1Ultra DMA mode 1 is supported.
2Ultra DMA mode 2 is supported.
3Ultra DMA mode 3 is supported.
4Ultra DMA mode 4 is supported.
8Ultra DMA mode 0 is currently active.
9Ultra 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.
Word Description Value