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spiffytech
What's DOS?
Posts: 2
Registered: ‎04-11-2014
Location: United States
Views: 893
Message 1 of 4

Disable SSD cache in Windows on W540?

I just received my W540, which came with the micro SSD cache drive. I'm dual booting my machine with Linux, and intend to use the micro SSD with the bcache Linux kernel module, which assumes it has exclusive use of the cache device, even through reboots. I thus need to make sure Windows doesn't use the cache device (which is fine, since I won't use Windows most of the time anyway).

 

What must I do to ensure Windows doesn't touch the micro SSD?

Guru
Posts: 1,393
Registered: ‎06-08-2013
Location: BE
Views: 853
Message 2 of 4

Re: Disable SSD cache in Windows on W540?

Just uninstall ExpressCache in Windows, and then reformat the mSATA.

You can uninstall it in "Programs and Features", which is found in the "Control Panel".

Or right-click the start orb of Windows 8.1, and select "Programs and Features".

Warm regards,
Jonas Hendrickx

Lenovo Insider - Windows Insider MVP

Personal website: ThinkScopes

Guru
Posts: 9,598
Registered: ‎12-26-2009
Location: CA
Views: 847
Message 3 of 4

Re: Disable SSD cache in Windows on W540?

I think ExpressCache will ignore the mSATA if it finds no HFS+ partition on it. Last I checked, ExpressCache used an HFS+ partition for whatever reason.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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spiffytech
What's DOS?
Posts: 2
Registered: ‎04-11-2014
Location: United States
Views: 825
Message 4 of 4

Re: Disable SSD cache in Windows on W540?

Great, thanks!

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