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In your case there are some things I want you to check for this configuration:
- Make sure the SSD is being correctly detected by the system.
- The SSD space must have the format as “Unallocated Space” to work for cache.
- The SSD must be bigger than 18GB capacity to be capable of using it as Cache.
- Make sure the chipset mode on your bios has been set as RAID.
I recommend you checking also the following link which contains the manual for the Smart Response Technology:
1) The SSD was detected by the system and Intel RST.
2) The SSD was empty from an ATA Secure Erase
3) The SSD is 120GB.
4) RAID mode was on.
Other notes: It was offering to use it as cache (up to 64gb) for the Storage drive, but the System drive was not in the dropdown. I remember using SSD Cache in Windows 7 so this could be a Windows 8.1 compatiblity issue.
That said, I reformated and just installed Windows directly onto the SSD.
I have the exact same problem. I can't select the system drive in RST since I upgraded from Windows 7 to Windows 8.1.
I've tried moving the system drive to different SATA port, leaving it now on port 2. Didn't help.
All drives are detected in Intel RST and the SSD is a Intel X25-M G2 80GB.
I can select all other drives (3 additional drives), but I want to accelerate the system drive.
Do you have the operating system installed on the SSD? If so please note that is not possible to accelerate the same SSD or another SSD due to the fact that the SSDs work faster that a regular HDD.
Please try accelerating the system when having the SATA mode set as RAID and use the SSD without a partition while having it as unallocated format.
The system is installed on a non-SSD drive.
System is set to RAID-mode in bios and the SSD is wiped of information.
I'm going straight from a Windows 7 Ultimate installation with a working acceleration, to a Windows 8.1 Enterprise with a non working-acceleration. I can't select the system drive in the pull-down menu. Windows 8 is installed in UEFI-mode.
I have tested a DZ87KLT-75K with a raid 1 using two 1TB HDD’s and one 500GB Storage disk connected to the system and when trying to use the SSD to accelerate the system it does show the disk list.
I recommend you doing a low level format on the SSD to erase any existing metadata on it. Also make sure you have the latest Intel® Rapid Storage Technology in your system. You can download it at the following link:
Dedvall: The proper way to zero an SSD is using ATA Secure Erase. Any other method is going to lower the life of your NAND media.
When you issue an ATA Secure Erase to an SSD, the internal drive controller sends the NAND the erase command. Traditional zero methods will simply send the write command.
kevin_intel: On the Z77 chipset? In UEFI mode? I tried Googling "DZ878KLT-75K" but only got this conversation.
Also, lets not forget, the problem is not that Intel RST cannot find the SSD, the problem is that it does not offer caching on the SYSTEM disk. It will offer caching on any other rotational media disks on the system, just not the one Windows is installed on.
I wonder if UEFI mode has something to do with it, that seems to be the common issue here.
The steps I provided before are basic requirements for the SSD caching. Honestly I have been testing the DZ87KLT-75K with win 7, 8 & 8.1 caching it in a raid or a spare disk having the OS installed and it has worked for me every single time. I also have UEFI mode enabled at the bios level but the caching feature is still working fine.
In regards the Z77 chipset, I have also tested the dZ77RE-75K board and I got same results than the DZ87KLT-75K.
At this point I would like you guys to try updating the bios to have the Option ROM updated and make sure you have the latest IRST. Another step as part of the troubleshooting is to install the OS having the UEFI disabled (this feature should not affect at all the caching while enabled) and let me know the results.