Seagate ST950011FS, ST9200011FS, ST9100011FS manual Description if bit is set to Bit Word

Note. See the bit descriptions below for words 49, 50, 69, 76, 78, 82-86, 119 and 119-120 of the Identify Drive data.

Description (if bit is set to 1)

Bit	Word 49
8	DMA Supported
9	Shall be set to 1
10	IORDY May be disabled
11	IORDY supported
13	Standby Timer Values supported
Bit	Word 50
14	Shall be set to 1
Bit	Word 69
5	Shall be set to 1
6	Optional ATA 28-bit commands supported
8	Download Microcode DMA supported
9	Set Max Password DMA and Set Max Unlock DMA supported
10	Write Buffer DMA Supported
11	Read Buffer DMA Supported
12	DEVICE CONFIGURATION IDENTIFY DMA and
	DEVICE CONFIGURATION SET DMA are supported
13	Long Physical Sector Alignment Error Reporting Control is supported
14	Deterministic read after Trim is supported
Bit	Word 76
0	Shall be cleared to zero
1	Supports SATA Gen1 Signaling Speed (1.5Gb/s)
2	Supports SATA Gen2 Signaling Speed (3.0Gb/s)
3-7	Reserved for Serial ATA
8	Supports the NCQ feature set
9	Supports receipt of host initiated power management requests
10	Supports Phy Event Counters
11	Supports Unload while NCQ commands are outstanding
12	Supports NCQ priority information
13-15	Reserved for Serial ATA
Bit	Word 78
0	Shall be cleared to zero
1	Device supports non-zero buffer offsets
2	Device supports DMA Setup auto-activation
3	Device supports initiating power management
4	Device supports in-order data delivery
5	Reserved for Serial ATA

30 Pulsar Product Manual, Rev. A