在驅(qū)動(dòng)器不旋轉(zhuǎn)的情況下，我們的一些數(shù)據(jù)恢復(fù)工程師認(rèn)為這是磁頭的問(wèn)題。但是要得出正確的結(jié)論，您需要首先檢查SATA狀態(tài)寄存器。
In situation when drive doesn’t rotate some of our users believe that it’s definetely a problem with heads. But to make a right conclusion?you need to firstly check SATA status register.
有一個(gè)功能叫做備用電源（PUIS）。它可以防止驅(qū)動(dòng)器在上電時(shí)自動(dòng)啟動(dòng)。
There is a feature called a Power-up in standby (PUIS). It?prevents the drive from automatic spinup when power is applied.
PUIS功能為防止過(guò)多的功耗。您可能知道，硬盤驅(qū)動(dòng)器旋轉(zhuǎn)是所有不同操作狀態(tài)的最高功耗。在具有大量HDD的系統(tǒng)中，自動(dòng)重新啟動(dòng)可能導(dǎo)致電力短缺。
PUIS feature made for?prevent the excessive power-consumption. As you may know, spin up is?the highest power draw of all of the different operating states of a hard disk drive. In?systems with a lot of HDD installed automatic spinup may result in a power shortage.
這就是為什么工程師根據(jù)PUIS功能創(chuàng)建交錯(cuò)旋轉(zhuǎn)（SSU）?過(guò)程的原因? 。此過(guò)程通常每次啟動(dòng)一個(gè)驅(qū)動(dòng)器，要么等待驅(qū)動(dòng)器發(fā)出信號(hào)，否則在開始下一個(gè)驅(qū)動(dòng)器之前允許預(yù)定義的時(shí)間段通過(guò)。
That’s why engineers created?Staggered Spin-up (SSU)?procedure, based on PUIS feature. This procedure?typically starts one drive at a time, either waiting for the drive to signal it is ready or allowing a predefined period of time to pass before starting the next drive.
因此，PUIS功能和SSU程序允許在多驅(qū)動(dòng)器系統(tǒng)中使用更具成本效益的電源。您可以在SATA規(guī)格標(biāo)準(zhǔn)中查看有關(guān)PUIS和SSU的更多詳細(xì)信息。
So PUIS feature and SSU procedure allow to use?more cost-effective power supplies in multi-drives systems. You can check more details about PUIS and SSU in the SATA Specifications Standards.
具有PUIS功能的驅(qū)動(dòng)器型號(hào)示例：日立HCC543225A7A380，日立HCC543216L9SA00，帶有ES13 FW等的ST3320311CS
Examples of drive models with PUIS feature: Hitachi?HCC543225A7A380, Hitachi?HCC543216L9SA00, ST3320311CS with ES13 FW etc.
如果您看到該驅(qū)動(dòng)器正在準(zhǔn)備就緒非?？欤s1秒鐘），而不是SSHD – 最有可能您遇到了交錯(cuò)的旋轉(zhuǎn)驅(qū)動(dòng)器。有些用戶也可能會(huì)感到困惑，當(dāng)您將這樣的驅(qū)動(dòng)器插入主板時(shí)，它會(huì)旋轉(zhuǎn)，但是當(dāng)插入PC-3000時(shí)，它不會(huì)旋轉(zhuǎn)。
If you see that drive is going ready very fast (about 1 second) and it’s not a SSHD – most probably you faced with staggered spin-up drive. Some users also may be confused that when you plug such?drive to motherboard – it rotates, but when plug to PC-3000 it doesn’t rotate.
幸運(yùn)的是，通過(guò)PC-3000很容易解決這個(gè)問(wèn)題，點(diǎn)擊完成：
Fortunately, it’s very easy to spin up the drive via PC-3000, it’s done by one click:
如果您在結(jié)果中獲得ABR，則表示驅(qū)動(dòng)器不支持PUIS功能。
If you will get ABR in result – it means that drive doesn’t support PUIS feature.
此外，如果您想要禁用PUIS功能，驅(qū)動(dòng)器將在通電后自動(dòng)啟動(dòng)：
Also, if you want you can disable PUIS feature and drive will spin up automatically after?power is applied:
轉(zhuǎn)載請(qǐng)注明：成都千喜數(shù)據(jù)恢復(fù)中心 » 具有備用電源(PUIS)的硬盤通電不轉(zhuǎn)，怎么恢復(fù)數(shù)據(jù)？
