Seagate ST3200826ACE, ST3250823ACE, ST3300831ACE manual Description if bit is set to Bit Word

Word	Description	Value
100–103	Total number of user-addressable LBA sectors available	ST3400832ACE = 781,422,768
	(see Section 2.2 for related information)	ST3300831ACE = 586,072,368
		ST3250823ACE = 488,397,168
	These words are required for drives that support the 48-bit addressing	ST3200826ACE = 390,721,968
	feature. Maximum value: 0000FFFFFFFFFFFFh.
104–127	ATA-reserved	0000H
128	Security status	0001H
129–159	Seagate-reserved	xxxxH
160–254	ATA-reserved	0000H
255	Integrity word	xxA5H

Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported

Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data:

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.
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.
Bit	Word 93
13	1 = 80-conductor cable detected, CBLID above VIH
	0 = 40-conductor cable detected, CBLID below VIL

26 DB35 Series Product Manual, Rev. B