I will not worry about it too much at this point, by the time I go to a new version of vSphere I will probably update the board or they may have a new BIOS to fix the issue.
I got the Perc 6i issue fixed by working with this guide. http://www.tinkertry.com/lsi92xx-health-under-esxi-51/
On the Direct I/O I passed an old LSI 8 port SATA card through, I was able to format the drive in Windows 7 as a VM. I do not know the stepping on the chips, but I can pull off the heatsink on one of them tonight.
Time to order more memory soon.