Fujitsu MHV2160BT manual Display of disk drive revision number

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1.1 Maintenance

(1) Revision number marking at delivery

The machine revision number is indicated by crossing out up to the relevant number in the relevant alphabetic character row using = marks (see Figure 1.2).

(2) Revision number change in the field

When a part is replaced in the field or other modifications are made, the machine revision number may need to be changed. The level is indicated by crossing out the relevant number in the relevant alphabetic character row using ! marks (see Figure 1.2).

(3) Firmware code and revision

First 4-digit indicates a firmware code and rest 4-digit indicates its revision.

Note:

For a change of revision number after delivery, Fujitsu issues a “Change Request/Notice” and the disk drive revision number after the change. When a change is made at the user site, the revision number level should be changed as described above.

Revision number mark when delivered

A2 Revision

Revision number change in the field

A3 Revision

Figure 1.2 Display of disk drive revision number

C141-F076

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Contents MHV2160BT Disk Drive Maintenance Manual Handling of This Manual For Safe OperationRevision History This page is intentionally left blank Conventions for Alert Messages PrefaceOverview of Manual Hot Plug Operating EnvironmentLiability Exception This page is intentionally left blank Static, Damage Important Alert ItemsImportant Alert Messages Data corruption Device damageDamage or Device damage This page is intentionally left blank Manual Organization MHV2160BT Disk Drive Maintenance ManualThis page is intentionally left blank Contents Tables IllustrationsMaintenance and Diagnosis Rules for maintenance MaintenanceMaintenance requirements Data corruption Refer to .2 of the MHV2160BT Disk Drive Product Manual Maintenance levelsDisk drive revision number label Disk drive revision numberDisplay of disk drive revision number Test Self-diagnosticsTools and test equipment Test flowchart Disposition for Error Field contents Status Field contentsOperation test Diagnostic testOperation Confirmation Troubleshooting disk drive replaced in field Troubleshooting ProcedureTroubleshooting procedure Manual System level and field troubleshootingTroubleshooting at factory Removal and Replacement Procedure Model and parts numbers Spare PartsDisk Drive Removal CSS Acronyms and AbbreviationsAcronyms and Abbreviations Index Index READER’S Comment Form This page is intentionally left blank C141-F076-01EN This page is intentionally left blank