Fujitsu DISK DRIVES MHL2300AT 유지 관리 매뉴얼 - 페이지 19

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1.1 Maintenance

1.1.4 Disk drive revision number

The disk drive revision number is a single alphabetic character followed by a

single alphanumeric character. It is stuck on the DE and marked on the revision

number label. Figure 1.1 shows the disk drive revision number label format.

(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

Figure 1.2).

(3) Firmware code and revision

First 2-digit indicates a firmware code and rest 2-digit indicates its revision.

Note:

1-6

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.

Maintenance and Diagnosis

⇐ Disk drive revision number

Firmware code/revision

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marks (see

C141-F043-01EN