i5-750, lsi 9211-8i makes half my ram disappear

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So I have a i5-750 on gigabyte ga-p55a-ud3 (rev 1.0) with 16gb of ram. I currently have 3x8tb, 3x4tb, and  2x500g ssd, attached to it. I added an LSI 9211-8i (in it mode) and when I booted it the ram is now only 8gb and cannot and drives attached to the lsi controller are not recognized by DSM, but are seen by lsi bios. I have tried tireleshsly to fix this but cannot. PLEASE HELP.

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beside the ram problem there is also a problem with the sata port count, default config is 12 drives, you have 6 + 8 = 14 drives, depending on where your drives are connected there might be 2 missing, to use all ports you need to change synoinfo.conf (and after major updates like 6.1.4->6.1.5, ~200MB pat file) you will have to redo it


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