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11.3 Non-data commands

Commands for this class are:

•CHECK POWER MODE

•EXECUTE DEVICE DIAGNOSTICS

•FLUSH CACHE

•FLUSH CACHE EXT

•IDLE

•IDLE IMMEDIATE

•INITIALIZE DEVICE PARAMETERS

•NOP

•READ VERIFY SECTOR(S)

•READ VERIFY SECTOR(S) EXT

•READ NATIVE MAX ADDRESS

•READ NATIVE MAX ADDRESS EXT

•RECALIBRATE

•SEEK

•SET FEATURES

•SET MULTIPLE MODE

•SLEEP

•STANDBY

•STANDBY IMMEDIATE

•SECURITY ERASE PREPARE

•SECURITY FREEZE LOCK

•SMART Enable/Disable Attribute Autosave

•SMART Save Attribute Values

•SMART Executive Off-line Immediate

•SMART Enable Operation

•SMART Disable Operation

•SMART Return Status

•SMART Enable/Disable Automatic Off-line

•SET MAX ADDRESS

•SET MAX ADDRESS EXT

•SET MAX LOCK

•SET MAX UNLOCK

•SET MAX FREEZE LOCK

•DEVICE CONFIGRATION RESTORE

•DEVICE CONFIGRATION FREEZE LOCK

•DEVICE CONFIGRATION SET

•READ SENCE DATA

Non-data protocol:

a)The host writes any required command parameters to the Features, Sector Count, Sector Number, Cylinder High, Cylinder Low and Device/Head registers.

b)The host writes the command code to the Command register.

c)The drive sets the BSY bit .

d)When the drive has finished processing a sector (or block) of data, it clears the BSY bit and asserts INTRQ.

e)In response to the INTRQ, the host reads the Status register.

f)The drive negates INTRQ in response to the Status register being read

See each command description for error report protocol.

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