Seagate Barracuda 7200.11 ST3500320AS User Manual download pdf

ACE Laboratory

PC-3000 for Windows UDMA ® SEAGATE, part 2

ACE Laboratory Ltd, Russia Unauthorized copy or distribution of these documents is prohibited

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Seagate, part 2

F3 architecture

Drive families: Barracuda 7200.11 and Barracuda ES.2

1. Introduction.....................................................................................................................................................................2

2. Supported drive families .................................................................................................................................................3

3. Getting started.................................................................................................................................................................4

4. Utility start ......................................................................................................................................................................4

5. Frequent malfunctions.....................................................................................................................................................6

5.1. Motor seizure ...........................................................................................................................................................6

5.2. “Stuck” heads...........................................................................................................................................................6

5.3. HDD returns HDD ID (the host system detects it), but reports capacity = 0 ...........................................................7

5.4. Host system does not detect a HDD, which permanently remains BSY ..................................................................9

6. User commands.............................................................................................................................................................13

7. Appendix 1. Replacement of the controller board ........................................................................................................13

8. Appendix 2. Testing the HDD controller board............................................................................................................14

9. Appendix 3. Testing the motor winding coils ..............................................................................................................15

10. Appendix 4. Unlocking Barracuda ES.2 drives (version SN05 and newer) in case of problem indicated by

LED: 000000CC. PCB view in 7200.11 and ES.2 drives .................................................................................................15

10.1. Searching for the short connection points ............................................................................................................16

10.2. Location of the checkpoints on Barracuda 7200.11 HDD....................................................................................17

10.2.1. PCB 100466725 REV A (DLAJ-4)...............................................................................................................17

10.2.2. PCB 100466824 REV A (UJAJ-6)................................................................................................................18

10.2.3. PCB 100466824 REV B (UJAJ-6)................................................................................................................19

10.2.4. PCB 100466824 REV C (UJAJ-6)................................................................................................................20

10.2.5. PCB 100496208 REV A ...............................................................................................................................21

10.2.6. PCB 100504364 REV B................................................................................................................................22

10.2.7. PCB 100512588 REV A ...............................................................................................................................23

10.3. Location of the checkpoints on ES.2 HDD ..........................................................................................................24

10.3.1. PCB 100475720 REV A (ZKAJ-7)...............................................................................................................24