I have installed a similar setup(dh55tc-i3 530) and it seems to work well with a recent build. The box is at school w/ kid and cant check the controller mode setting but am pretty sure i didnt make any changes there.. have you updated the bios to the most recent? 0036 is the latest--think i put 0035 on last--i was going with pci express if the red sata setup on the board didnt work as kids say the esata moves data faster than usb2. prolly didnt help u much but good luck....
Resolved - Sort of. The clue was the actual controller ID in Device Manager. Once I set the operational mode of the SATA channels to AHCI, the following boot replaced the 4-port host controller with a 6-Channel one.
The second part of my issue is the non-locking nature of SATA/eSATA cables. Since most external drive housings sit vertically the eSATA cable tends to pull itself loose. I finally inserted the cable tightly enough that it doesn' t pull away.A piece of "Gorilla Tape" now ensures the cable won't work itself loose again.
BUT every action on a PC has unanticipated results. Now with the SATA controller operating in AHCI mode, CD Burner XP pro no longer detects the presence of my SATA Optical drive.
Working on a computer is like untangling Christmas tree lights. Untie the 1st knot and move to the next......