This post is older than a year. Consider some information might not be accurate anymore.
ExpressCache enables systems with a mSATA SSD device as a cache for the harddisk on Windows.
Most Thinkpad laptops have this software installed. Run the command prompt as administrator and enter following command, gives you specific details about your caching status:
C:>eccmd.exe -info
ExpressCache Command Version 1.0.86.0
Copyright® 2010-2011 Diskeeper Corporation.
Date Time: 7/29/2015 10:16:39:174 (EDGE #10)
EC Cache Info
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Mounted : Yes
Partition Size : 14.91 GB
Reserved Size : 3.00 MB
Volume Size : 14.91 GB
Total Used Size : 8.96 GB
Total Free Space : 5.95 GB
Used Data Size : 8.89 GB
Used Data Size on Disk : 8.96 GB
Tiered Cache Stats
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Memory in use : 1024.00 MB
Blocks in use : 8188
Read Percent : 7.44%
Cache Stats
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Cache Volume Drive Number : 1
Total Read Count : 138803
Total Read Size : 5.66 GB
Total Cache Read Count : 38977
Total Cache Read Size : 1.69 GB
Total Write Count : 337549
Total Write Size : 15.28 GB
Total Cache Write Count : 64243
Total Cache Write Size : 1.28 GB
Cache Read Percent : 29.79%
Cache Write Percent : 8.40%
