As Geoff said, check the Storport driver.
I have been trying to update the Drivers firmware for one of our R510s with PERC H700 I have upgraded the BIOS, ESM and H700 Firmware but OMSA still reports the the Driver is out of date Current driver is 4.23.00.64 system is requesting 4.31.00.64 but I cannot find this driver anywhere on the Dell Download site Does anyone know where the Windows 2008 R2 driver for this is located
H700 Intergrated driver for Poweredge R510 with Win2k8 R2