HBA taskfile error - what is that?

[Cyber-Tek]

Helo
I cant find it in google... What is that HBA TaskFile ?
The disk is about to die but i want to know what is that
Reason:HBA taskfile error ? What does it mine?


Testing Started    01/03/2014 17:24:29

HDD-0 Controller........................PASSED 
HDD-0 Funnel Seek.......................
  Seek error occurred at sector 870549212.
  (Reason: HBA Taskfile Error)
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 Funnel Seek.......................FAILED  01/03/2014 17:26
HDD-0 Random Seek.......................PASSED 
HDD-0 Linear Verify.....................
  Read verify error occurred at sector 2048.
  (Reason: HBA Taskfile Error)
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 Linear Verify.....................FAILED  01/03/2014 17:27
HDD-0 Random Verify.....................
  Read verify error occurred at sector 807428141.
  (Reason: HBA Taskfile Error)
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 Random Verify.....................FAILED  01/03/2014 17:28
HDD-0 SMART Status Check................
  SMART operations are not enabled.
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 SMART Status Check................FAILED  01/03/2014 17:28
HDD-0 SMART Self-Test Short.............
  SMART operations are not enabled.
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 SMART Self-Test Short.............FAILED  01/03/2014 17:29
HDD-0 SMART Attribute Check.............PASSED 
HDD-0 Inner/Outer Read Surface Scan.....
  DMA read error occurred at sector 2064.
  (Reason: HBA Taskfile Error)
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 Inner/Outer Read Surface Scan.....FAILED  01/03/2014 17:30
HDD-0 Read Surface Scan.................
  DMA read error occurred at sector 2064.
  (Reason: HBA Taskfile Error)
  Model: SAMSUNG HM500JI / SN: S208JDQZ308902 / Rev: 2AC101C4
HDD-0 Read Surface Scan.................FAILED  01/03/2014 17:31
HDD-0 Spin Down/Spin Up Test............PASSED 
Hardware Monitoring.....................
  LM80 not detected.
Hardware Monitoring.....................N/A     
Temperature Monitoring..................
  Max1617 1 not detected.
Temperature Monitoring..................N/A     

Testing Completed  01/03/2014 17:32:54

[Kris_PCD]

I have requested clarification to be certain, but I believe that HBA refers to the Host Bus Adapter. That particular error is intended more for internal reference, but it appears that the failures are legitimate.