Often Hitachi HDDs have a problem with the damaged NVRAM.
在日立硬盤數(shù)據(jù)恢復(fù)過程經(jīng)常遇到NVRAM損壞的問題。
In this article we would like to show the method of fixing such issue.
在本文中，我們將展示解決這類問題的方法。

As we can see drive can’t be detected automatically and we should open utility forced.
正如我們所看到的，驅(qū)動器不能被自動檢測到，我們應(yīng)該打開實用程序。
Pay attention to the log report and FW version.
注意日志報告和FW版本
In this case we see the problem with loading “open” modules and diferences in F/W version.
在這種情況下，我們看到加載“open“模塊和F/W版本差異的問題。

Open the list of Service area modules, check all of them and fix the problem modules if need.
In this case we have perfect state of all SA modules, but Drive ID still can’t be recognized.
打開服務(wù)區(qū)域模塊的列表，檢查所有的模塊列表，并修復(fù)問題模塊，在這種情況下，我們看到所有的模塊狀態(tài)都正常，但驅(qū)動器號仍然不能被識別。

As we remember – we have a differences between f/w version in NVRAM and SA modules.

Then Drive behavior caused by this problem.

Take a look that drive have NVRC module inside the Service area and it’s OK.

Create a backup of this module and current NVRAM image.
Compare these files in HexEdit, they are have a different f/w version in header.

Write NVRC module as NVRAM image.

Pay attention that Writing NVRAM window show only *.nvr files, but our NVRC module image have *.bin extension.

Type in “File name” field *.* and press Enter.
This is Windows OS tooltip. It work in any software

Select NVRC file and press Open.
Check at log report that NVRAM is successfully wrote.

Re-rurn the power supply and re-read Drive ID.
再重新打開電源并讀取硬盤ID

Drive is recognized perfectly. Check the users area access.
硬盤驅(qū)動器已經(jīng)完美識別。檢查訪問用戶區(qū)數(shù)據(jù)。

轉(zhuǎn)載請注明：成都千喜數(shù)據(jù)恢復(fù)中心 » 使用PC-3000 for HDD解決日立IBM硬盤NVRAM問題的數(shù)據(jù)恢復(fù)