如果未分配驱动器号，SSD Trim 是否可以在 Windows 7 上运行？
我正在使用英特尔固态硬盘工具箱来查看 SSD 驱动器。该实用程序有一个手动运行“TRIM”的选项。我发现奇怪的是该实用程序报告“所选的英特尔SSD没有分区号。此功能需要分区号才能运行。”
我将磁盘安装为连接点。我希望这是英特尔实用程序的限制，或者 Windows 7 TRIM 是否需要为驱动器分配驱动器号才能工作？
I am using the Intel Solid-State Drive Toolbox to view an SSD drive. This utility has an option to manually run "TRIM". What I found odd is the utility reports "The selected Intel SSD has no partition letter. This feature requires a partition letter to run."
I have the disk mounted as a junction point. I hope this is a limitation of Intel's utility, or does Windows 7 TRIM require a drive to be assigned a drive letter in order for it to work?
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修剪的工作方式是，它向 SSD 发出提示，指示哪些地址区域未用于包含数据。这允许 SSD 进行内部优化（通常节省“垃圾收集”所做的工作）。
当驱动器上没有分区时，通常意味着所有内容都被“修剪”。如果 SSD 没有意识到这一点，情况可能并非如此。所以在这种情况下，我认为这是工具，无法弄清楚它可以修剪什么和不能修剪什么，可能只是想避免无意中修剪。
除此之外，修剪功能是 ATA 协议特有的。这意味着，它是发送到较低级别驱动器的命令，因此它与 Windows 7 或应用程序无关。它对任何愿意并且能够发送命令的人开放。
The way trim works, is that it is the hint to the SSD to indicate which address areas is not being used to contain data. This allows the SSD to optimize internally (usually save work being done by "garbage collection").
when there is no partition on the drive, generally it means that everything is "trimmed". This may not be the case if the SSD wasn't made aware of that. So in this case, I think it's the tool, unable to figure out what it could and could not trim and may just want to avoid trimming unintentionally.
Aside from that fact, the trim feature is specific to ATA protocol. Meaning, it's a command sent to the drive at the lower level so it's not tied to Windows 7 or an application. It's open for anything that is will and able to send the command.