I upgraded my old MacPro1,1 to run Yosemite, but my old Dynex Esata card was needing drivers re-installed.
Here are the drivers that worked for me. The drivers on the Dynex website didn’t work.
As soon as I installed these drivers, the drives were recognized, no restart necessary.
SiI3132_1.2.5.0_Sil_Pkg
![2-Port eSATA II PCI Express Adapter](https://b1817916.smushcdn.com/1817916/wp-content/uploads/2014/12/2-Port-eSATA-II-PCI-Express-Adapter.jpg?lossy=1&strip=1&webp=1)