Rorke Data Galaxy HDX2 GHDX2-2430S-24F4D - Manual (Page 79)

Galaxy GHDX2-2430S/R-24F4D Installation and Hardware Reference Manual
4-12 Subsystem Connection and Operation
NOTE:
To answer questions related to firmware configuration such as the channel
speed selection, please refer to the FC to SATA RAID Subsystem
Operation Manual that came with the Product Utility CD in your
subsystem package.