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30 Pulsar Product Manual, Rev. A
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