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Ah in software raid, I think it works.

Sadly, I don't have funds for such testing myself :rolleyes: and mainly my advice given is based on the stream of feedback I recieve from users.
 
It has been down to the SSD controllers not supporting it, I believe.

Intel's drivers have simply not supported TRIM in RAID arrays. The support is coming at some point though as Alpha drivers already have reference to TRIM for RAID. No idea when, though.
 
Anyone know of the RIGHT process to wipe an SSD drive without negatively effecting blocks?

I have Windows 7 installed on a secondary internal hard drive in my macbook pro, but my main boot drive only has OS X 10.6.8. Its feeling a little laggy, some software seems to be mangled and I'm leaving on a 2 month vacation and would like have my laptop with a fresh install of OS X.

Is there a tool in Windows 7 that I could use on my Intel 320 Series 120gb drive to wipe it clean and have it ready for install? Erasing the drive the classic way in Disk Utility would damage the drive more, so I can't just boot into the OS X installer.

Any ideas on how its done? Thanks!
 
Anyone know of the RIGHT process to wipe an SSD drive without negatively effecting blocks?

I have Windows 7 installed on a secondary internal hard drive in my macbook pro, but my main boot drive only has OS X 10.6.8. Its feeling a little laggy, some software seems to be mangled and I'm leaving on a 2 month vacation and would like have my laptop with a fresh install of OS X.

Is there a tool in Windows 7 that I could use on my Intel 320 Series 120gb drive to wipe it clean and have it ready for install? Erasing the drive the classic way in Disk Utility would damage the drive more, so I can't just boot into the OS X installer.

Any ideas on how its done? Thanks!

This just got me concerned, what happens if you use disk utility in Lion setup to wipe an SSD? That's what I did... did I mess up my SSD?
 
OS freezes

I successfully applied the Cindori SSD Trim Enabler for my OWC Mercury Pro SE 200 GB SSD. The first time around, I started experiencing system stalling and freezing during disk writing operations. I erased and reinstalled my SSD boot drive from a backup, tried the enable again, and had several issues when copying files, such as the finder stalling at 0K written for an abnormal amount of time, then a burst of writing. The system eventually froze. I restored one more time, but for now I will pass on enabling Trim support. Never had these problems before.
I've upgraded HDD in the MBP (mid'09) to the Plextor PX-512M5P SSD (fw v1.03), installed the OS (v10.8.3) from zero to the fresh drive, applied the patch (v2.2). And now I have a very similar issues - random freezes.
I didn't try to run without the TRIM yet.
 
promo.png

Trim Enabler 3.0 is now released.
It's been quite some time since the last update, but this is a big one.
I've listened to alot of the comments in this thread to try and make something great.

  • Redesigned iOS7-inspired user interface
  • Brand new improved S.M.A.R.T monitor
  • Tweaks feature to free up space or improve performance
  • Benchmark feature for HDD/SSD
  • Settings panel for the app
Requires Lion, Mountain Lion, or Mavericks​

Some of the new features are now unlocked through purchasing a Pro-license ($10).
But you still get this great new UI and several new settings for free.
Thanks to everyone who has supported this project since the start here at Macrumors.
 
TRIM isn't necessary for some SSD's. In fact if the SSD you have has a "garbage collection" feature, then TRIM isn't needed. In OWC SSD's, they even say TRIM can actually hurt the performance of their SSD's and for their users to disable it altogether.

Just a heads up.
 
I have a early 2008 MBP with Snow Leopard and have bought a crucial M500, and I'm not able to enable TRIM. How can i achieve it?

Thanks.
Diego
 
TRIM isn't necessary for some SSD's. In fact if the SSD you have has a "garbage collection" feature, then TRIM isn't needed. In OWC SSD's, they even say TRIM can actually hurt the performance of their SSD's and for their users to disable it altogether.

Just a heads up.

I've researched the internet on this and it appears that maybe not all SSDs are created equal and that Sandforce based SSDs have built in garbage collection. OWC says that it's SSDs should not run Trim Enabler. http://blog.macsales.com/11051-to-trim-or-not-to-trim-owc-has-the-answer I believe for the Samsung series 840 SSD I installed it is in fact needed, and I thank Cindori for his efforts.

Note - the OWC link I posted above has not been updated in over two years, so not sure how current the information is. But, it is my understanding that all Trim Enabler does, is hack the system to allow Apple's Trim system (enabled by default on Apple branded drives) to run on Non-Apple approved SSDs. To me that is a good thing.


----------

I have a early 2008 MBP with Snow Leopard and have bought a crucial M500, and I'm not able to enable TRIM. How can i achieve it?

Thanks.
Diego

Cindori's Post above, clearly states that OS 10.7 (Lion or above) is required to enable Trim Enabler. So, I would say, if you want to enable Trim, you need to update the OS.

Lou
 
Cindori's Post above, clearly states that OS 10.7 (Lion or above) is required to enable Trim Enabler. So, I would say, if you want to enable Trim, you need to update the OS.

It goes like this:

Trim itself, as a part of OSX, requires 10.6.8 or later.

Trim Enabler 2.2 (old version) requires 10.6.8 or later.

Trim Enabler 3.0 requires 10.7.0 or later (and 64-bit CPU) to just run the app.

If you are on 10.6.8 you can still use Trim Enabler 2.2 to enable trim. It can be downloaded here: http://groths.org/trimenabler/TrimEnabler_old.dmg
 
Hi Cindori,

Thank you for your work on this, and congratulations on the new release. I have a quick question about Trim Enabler.

Is this new version capable of enabling Trim on external SSDs, in USB3 enclosures? I know that in the past, Trim hasn't worked over USB, but I was never clear on whether that was a limitation of USB, the operating system, or something that could be overcome somehow. I thought you might know, given your experience on the matter.

Thanks!
 
Hi Cindori,

Thank you for your work on this, and congratulations on the new release. I have a quick question about Trim Enabler.

Is this new version capable of enabling Trim on external SSDs, in USB3 enclosures? I know that in the past, Trim hasn't worked over USB, but I was never clear on whether that was a limitation of USB, the operating system, or something that could be overcome somehow. I thought you might know, given your experience on the matter.

Thanks!

Trim Enabler still only unlocks native OSX Trim for third party disks.
So it would depend on Apple's Trim driver rather than Trim Enabler.
And as Apple don't offer any configurations with SSD over USB3, they probably did not care to make sure that works.

I found this discussion on the matter:
http://apple.stackexchange.com/questions/46659/is-it-possible-to-enable-trim-for-an-external-ssd
Which oddly, also happens to bring up Trim Enabler :rolleyes:

The only way to know for sure is if someone tries it out and then do this method to check for Trim:

Boot single user mode
Type "fsck -fy /dev/diskXsY
Wait until end of report
Look for message: "Trimming empty space" = Means Trim is working.
 
Cindori,

I realize it's probably buried in these posts somewhere but it escapes me. Some time ago, I read that using Trim Enabler (not necessarily yours) caused problems sometimes, or was a bit iffy or somethig.

Can you tell me of any known problems, or if they had anything to do with your project?

I found another app called Chameleon and I was wondering if there are any notable differences with regards to stability or usage.

I haven't yet purchased my SSD, but it's around the corner and I want to get my tool box ready.

EDIT: Okay, so I found some information about the ON/OFF slider having an issue in ML. Seems you fixed it, GREAT!. Are there any other known issues?
 
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Ok, either TRIM Enabler or the Apple System report is not telling the truth here. (See Screenshot for Samsung 840 SSD). I do not switched Trim on, because the tool is telling me it´s already enabled.

Config:
MBPR 13", Internal Apple SSD, External Thunderbolt Seagate Flex SATA Adapter with Samsung 830 PRO.

Thanks,
Great Software btw!

Greetings,
Max (new TRIM Enabler PRO 3.0 user) ^^
 

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Ok, either TRIM Enabler or the Apple System report is not telling the truth here. (See Screenshot for Samsung 840 SSD). I do not switched Trim on, because the tool is telling me it´s already enabled.

Config:
MBPR 13", Internal Apple SSD, External Thunderbolt Seagate Flex SATA Adapter with Samsung 830 PRO.

Thanks,
Great Software btw!

Greetings,
Max (new TRIM Enabler PRO 3.0 user) ^^
You need to turn TRIM *on* and then reboot. Check System Preferences after the reboot, and you'll see it's on.
 
Ok, either TRIM Enabler or the Apple System report is not telling the truth here. (See Screenshot for Samsung 840 SSD). I do not switched Trim on, because the tool is telling me it´s already enabled.

Config:
MBPR 13", Internal Apple SSD, External Thunderbolt Seagate Flex SATA Adapter with Samsung 830 PRO.

Thanks,
Great Software btw!

Greetings,
Max (new TRIM Enabler PRO 3.0 user) ^^

Actually, it's telling you SMART is enabled, Trim Support is not. In System Information, Trim Support should say Yes, not No as in your pict.

Lou
 

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It goes like this:

Trim itself, as a part of OSX, requires 10.6.8 or later.

Trim Enabler 2.2 (old version) requires 10.6.8 or later.

Trim Enabler 3.0 requires 10.7.0 or later (and 64-bit CPU) to just run the app.

If you are on 10.6.8 you can still use Trim Enabler 2.2 to enable trim. It can be downloaded here: http://groths.org/trimenabler/TrimEnabler_old.dmg

Thanks Cindori, everything is working fine now.
 
Actually, it's telling you SMART is enabled, Trim Support is not. In System Information, Trim Support should say Yes, not No as in your pict.

Lou

The problem is, that I have two drives:

* Apple built-in SSD (RMBP) - trim OS supported
* Samsung SATA / Thunderbold - trim not OS supported

The (little) flaw is that when Trim Enabler is NOT enabled, it tells you, TRIM (not Smart) IS already enabled, no need to enable - mainly because of the Apple SDD.

But this is only 50% of the truth. Because on the Samsung drive TRIM is not enabled. So who tries to enable TRIM when the tool is telling you there is no need to - do not enable. Could be a little bit confusing.

And mapping the Samsung SMART Attribute "Airflow temp" to the drive temperature would be really nice fit into the nice application design.

Thank you for this nice tool!
Greetings,
Max
 
Ive just upgraded to a Crucial M500 drive. Does anyone know if its advisable to enable Trim on it? from what I can see, it was good to use it on the old M4's, but is that still the case with the M500?
 
Thank you

I have a Samsung 840 that began lagging annoyingly.

After running TRIM Enabler and restarting the computer was instantly faster. I can't believe how dramatic the difference was right away. Thank you, OP!
 
Yep, Cindori did a good thing by allowing us to enable Apple's Trim Support. He's one of the good guys, and it's worth it for us to support him.

Lou
 
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