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DISK DRIVE OPERATION
Command
BBK
Check Power Mode
Download Micro Code
Execute Drive Diags
Flush Cache
Format Track
Identify Drive
Idle
Idle Immediate
Initialize Drive Parms
Read Buffer
Read DMA
Read Long
Read Multiple
Read Native Max Addr.
Read Sector(s)
Read Verify Sector(s)
Recalibrate
Seek
Set Features
Set Max Address
Set Multiple Mode
Sleep
SMART command
Standby
Standby Immediate
Write Buffer
Write DMA
Write Long
Write Multiple
Write Sector(s)
Invalid Command
Legend:
V
= Valid on this command
BBK
= Bad block detected
UNC
= Uncorrectable data error
IDNF
= Requested ID not found
ABRT
= Abort command error
TK0NF
= Track zero not found error
80
Table 6-13 Command Errors
Error Register
UNC IDNF
ABRT
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
AMNF
DRDY
DWF
DSC
CORR
ERR
TK0NF
AMNF DRDY
DWF DSC
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
=
Data address mark not found
=
Drive not ready detected
=
Drive write fault detected
=
Disk seek complete not detected
=
Corrected data error
=
Error bit in the Status register
SpinPoint V40 Product Manual
Status Register
CORR ERR
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
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