HGST Ultrastar 7K2 User Manual

Ultrastar 7K2
HGST Hard Disk Drive
Technical Reference Manual
33
COMMAND HEX OPCODE
STANDBY E2
STANDBY IMMEDIATE E0
WRITE BUFFER E8
WRITE DMA CA
WRITE DMA EXT 35
WRITE FPDMA QUEUED 61
WRITE LOG EXT 3F
WRITE LOG DMA EXT 57
WRITE MULTIPLE C5
WRITE MULTIPLE EXT 39
WRITE SECTOR(S) 30
WRITE SECTOR(S) EXT 34
WRITE UNCORRECTABLE EXT 45
SATA Commands
Table 7 lists the hexadecimal codes specific to each SATA command supported by these hard drives. Refer
to the SATA specification for full details on each command.
Table 7 Optional Subcommands
COMMAND SUBFUNCTION
DOWNLOAD MICROCODE Mode 3
DOWNLOAD MICROCODE Mode 7
DOWNLOAD MICROCODE Mode E
DOWNLOAD MICROCODE Mode F
Obsolete Commands
Table 8 lists the hexadecimal codes specific to each obsolete command supported by these hard drives.
Table 8 Obsolete Command Opcodes
COMMAND HEX OPCODE
SET MAX ADDRESS EXT 37
SET MAX F9
READ NATIVE MAX ADDRESS EXT 27
DEVICE CONFIGURATION OVERLAY B1
READ NATIVE MAX ADDRESS F8
INITIALIZE DEVICE PARAMETERS 91
RECALIBRATE 10
SEEK 70

HGST Ultrastar 7K2 Specifications

General

Brand	HGST
Model	Ultrastar 7K2
Category	Storage
Language	English