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                        FIELD CHANGE ORDER
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FCO #: A0150-1

Status: inactive

Date: Aug/31/99

Keywords: 

DLT7000 tape drives may fail with right column of LED's flashing

Top FIN/FCO Report: No

Products Reference: Quantum DLT7000 tape firmware

Product Category: Storage / Tape

Product Affected: 

Systems Affected:

Mkt_ID   Platform   Model   Description   Serial Number
------   --------   -----   -----------   -------------
   -     ANYSYS       -          -              -

X-options Affected:

Mkt_ID   Platform   Model   Description                    Serial Number
------   --------   -----   -----------                    -------------
X6060A     -          -     TAPE DLT7000 FLEXIPACK         (see SCSI Devices)
X6061A     -          -     TAPE DLT7000 FLEXIPACK    	   (see SCSI Devices)

X6062A     -          -     DLT7000, OPT INT TAPE 35GB DL  (see SCSI Devices)
X6062AR4   -          -     DLT7000, OPT INT TAPE 35GB DL  (see SCSI Devices)
X6062AR5   -          -     DLT7000, OPT INT TAPE 35GB DL  (see SCSI Devices)
 
X6073A     -          -     StorEdge L1800, 2XDLT7000	   (see SCSI Devices)
X6074A     -          -     StorEdge L1800, 4XDLT7000	   (see SCSI Devices)
X6075A     -          -     StorEdge L3500, 2XDLT7000	   (see SCSI Devices)
X6076A     -          -     StorEdge L3500, 7XDLT7000	   (see SCSI Devices)

Parts Affected: 

Part Number   Description                                  Model
-----------   -----------                                  -------
370-2329-XX   Quantum DLT7000 4MB SFIRE, Single Ended      TH6AA         
370-2847-XX   Quantum DLT7000 4MB LT GREY, Single Ended    TH6AA
370-3272-XX   Quantum DLT7000 4MB ELT Library, Diff SCSI   TH6XB

370-3330-01   Quantum DLT7000 8MB tape drv, Single Ended   TH6AE
370-3331-01   Quantum DLT7000 8MB tape drv, Single Ended   TH6AE
370-3332-01   Quantum DLT7000 8MB ELT Library, Diff SCSI   TH6XF

(SCSI Devices)
Type     Vendor    Model     SerialNumber(Min)    SerialNumber(Min)    Firmware
----     ------    -------   ------------------   ------------------   --------
DLT7000  Quantum   TH6XB     9735000000           9806999999           < V72
DLT7000  Quantum   TH6XF     9735000000           9806999999           < V72
DLT7000  Quantum   TH6AA     9735000000           9806999999           < V72
DLT7000  Quantum   TH6AE     9735000000           9806999999           < V72

References: 

ECO: WO_13120
   LEAP: 949, 950
   FIN: IO407-1

Issue Description: 

Quantum DLT7000 tape drives may fail with right column of LED's flashing.
These tape drives are failing at a higher than expected rate due to a buckling
link defect (A01 and A02), and a tach pulse problem which was introduced in
firmware version V45.

Only tape drives within the Sun date code range 9735 - 9806 are affected
by the buckling link defect.  The affected Sun serial number range is from
9735000000 to 9806999999.  Quantum serial number range is from CX73500000
to CX80699999.  Only tape drives with firmware version V45 are affected by
the tach pulse problem.

Root cause of the buckling link defect has been attributed to increased friction
in the buckling link rotational axis.  Root cause of the tach pulse problem is
firmware that causes a less reliable position for the cartridge leader and causes
the drive leader mushroom to buckle.  The vendor has updated the tooling for the
buckling link to give tighter distribution of torsion spring force in order to
improve buckling reliability, and resolved the tach pulse problem in firmware
version V72.

Corrective action was implemented in Sun Manufacturing by a dash roll to 02 of
the 370-3330, 370-3331 and 370-3332 drives via ECO# WO_13120 on June 16, 1998.
Enterprise Services implemented this corrective action via LEAPs 949 and 950 on
April 27, 1999.  The vendor has EOL'ed the 4MB drives (Sun p/n 370-2329, 370-2847,
and 370-3272).  When drives within the affected date code range are returned from
the field they will be sent to the vendor to be updated to the latest hardware
and firmware level.  Updated tape drives can be identified by the 02 dash number
on the 8MB versions even though the serial number/date code may still be in the
affected range.

Implementation: 

---
  	|   |  	MANDATORY (Fully Pro-Active)
	 ---    

         ---
  	| X | 	CONTROLLED PRO-ACTIVE (per Sun Geo Plan) 
	 ---   
			
         ---
  	|   | 	UPON FAILURE
	 ---

Replacement Time Estimate: 

30 minutes

Special Considerations: 

Corrective Action: 

Upon failure or upon request replace as follows;

Replace 370-2847-xx with 370-3330-02
Replace 370-2329-xx with 370-3331-02           
Replace 370-3272-xx with 370-3332-02

Replace 370-3330-01 with 370-3330-02	
Replace 370-3331-01 with 370-3331-02	
Replace 370-3332-01 with 370-3332-02

Comments: 

Note: A damaged cartridge will cause buckling failure which is unrelated
to the force applied by the buckling link.  Reference FINIO407-1 for the
DLT cartridge inspection procedure.  Tape cartridges should be inspected
regularly.

Billing Type: 

Warranty: Sun will provide parts at no charge under Warranty 
           Service. On-Site Labor Rates are based on how the
           system was initially installed.

 Contract: Sun will provide parts at no charge. On-Site Labor Rates
           are based on the type of service contract.

 Non Contract: Sun will provide parts at no charge. Installation by
               Sun is available based on the On-Site Labor Rates 
               defined in the Price List.

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Implementation Footnote: 

________________________

i)   In case of Mandatory FCOs, Enterprise Services will attempt to contact
      all known customers to recommend the part upgrade.

ii)  For controlled proactive swap FCOs, Enterprise Services mission critical
     support teams will initiate proactive swap efforts for their respective 
     accounts, as required.

iii) For Replace upon Failure FCOs, Enterprise Services partners will implement 
     the necessary corrective actions as and when they are required.

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