Seagate DiamondMax 17 Manual page 42

SATA Bus Interface and ATA Commands
Word
47 15-8:
7-0:
01h-FFh: = Maximum number of sectors that shall be transferred per interrupt on READ/
WRITE MULTIPLE commands
48 Reserved
49 Capabilities
15-14:
13:
1 = Standby timer values as specified in this standard are supported.
0 = Standby timer values shall be managed by the device
12:
11:
10:
9:
8:
7-0:
50 Capabilities
15:
14:
13-2:
1:
0:
51-52 Obsolete
5-6 Maxtor DiamondMax 17 80-160GB Serial ATA Hard Disk Drive
80h
00h = Reserved
Reserved for the IDENTIFY PACKET DEVICE command.
Reserved for the IDENTIFY PACKET DEVICE command.
1 = IORDY supported. 0 = IORDY may be supported
1 = IORDY may be disabled
1 = LBA supported
1 = DMA supported.
Retired
Shall be cleared to zero.
Shall be set to one.
Reserved.
Obsolete
Shall be set to one to indicate a device specific Standby timer value minimum.
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