On this specific case I suggest you to try updating the bios of your computer and see if that help, take into consideration that the 311 series of ssds are mSATA form factor, make sure that your system support this type of connection, on any case the...
On this specific case I suggest you to run the Intel ssd optimizer, under the Intel SSD Management Tools from the Intel SSD toolbox, you can find that tool at the following link:http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=18455&lan...
Please note that the technology is not able to select partitions in an ssd but the ssd itself, and use all the disk space to run the Smart Response Technology, so it is not possible to use an ssd and select the amount of space for this porpoise.
Please note that your question seems to be related with the cpu of your system, for further assistance please contact your system manufacturer or contact the processor option on intel communities.
Please note that the answer is yes, if you add another ssd in a raid 0 raid array, you should detect an increased performance of at least 33%, but this will directly depend of the type of raid controller that you are using, if it is software based or...