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MACH16
S
LIM
L
ITE
3Gbps
SATA
S
TANDARD
S
OLID
-S
TATE
D
RIVE
P
ART
N
UMBER
:
M16SD2S(3)-
XXX
U(T)(X)-XXX
D
OCUMENT
N
UMBER
:
61000-07132-311
R
EVISION
N
UMBER
:
3.11
R
EVISION
D
ATE
:
01/15/2013
54
C
OMMAND
H
EX
V
ALUE
D
ESCRIPTION
ENABLE
SATA
FEATURES
EFh, 10h
This subcommand will enable Serial ATA (SATA) features, depending on the value in the
Count
field.
See Disable SATA Features (EFh, 90h)
.
DISABLE
READ
LOOK-AHEAD
EFh, 55h
This subcommand allows the host to request the SSD to disable the read look-ahead functionality.
See Enable Read Look-Ahead (EFh, AAh)
.
DISABLE
REVERT
TO
FAULTS
EFh, 66h
This subcommand allows the host to disable the reverting to defaults for the SSD.
See Enable
Revert to Faults (EFh, CCh)
.
DISABLE
WRITE
CACHE
EFh, 82h
This subcommand allows the host to disable the volatile write cache. If the command is issued, the
SSD will flush the data in the volatile cache to the non-volatile media before command completion.
DISABLE
POWER-UP
IN
STANDBY
EFh, 86h
This subcommand will disable the PUIS (Power-Up in Standby) feature set. The SSD will power-
up in Active mode.
See Power-Up in Standby (EFh, 06h)
.
DISABLE
SATA
FEATURES
EFh, 90h
This subcommand will disable Serial ATA (SATA) features, depending on the value in the
Count
field.
See Enable SATA Features (EFh, 10h)
.
ENABLE
READ
LOOK-AHEAD
EFh, AAh
This subcommand allows the host to request the SSD to enable the read look-ahead functionality.
See Disable Read Look-Ahead (EFh, 55h)
.
ENABLE
REVERT
TO
FAULTS
EFh, CCh
This subcommand allows the host to enable the reverting to defaults for the SSD.
See Disable
Revert to Faults (EFh, 66h)
.
SET MAX
-
The SET MAX commands are identified by the value placed in the
Feature
field.
SET MAX ADDRESS
F9h
This 28-bit command is mandatory for devices that implement the HPA feature set. The command
will reject all read/write access attempts to an LBA that is greater than the specified LBA set by the
command. If an attempt is made to read/write to an LBA greater than that specified by SET MAX
ADDRESS, then the ID Not Found bit is set to one (1) and the ID Not Found error is reported. The
IDENTIFY DEVICE data words 60-61 will reflect the maximum LBA set using this command.
SET MAX FREEZE LOCK
F9h, 04h
This 28-bit command is mandatory for devices that implement the HPA Security Extensions. The
command will disable the following commands: SET MAX ADDRESS, SET MAX SET
PASSWORD, SET MAX LOCK, SET MAX UNLOCK and SET MAX ADDRESS EXT. Any
subsequent SET MAX commands are aborted until the device processes a power-on reset.