No drives detected on Adaptec 6405E Controller BIOS

I have a new build on which I'm attempting to configure RAID 1. I power up and go into the Adaptec 6405E Controller BIOS and get the "No drives detected" message when I attempt to initialize the drives. Any advice on how to get the drives detectable? BIOS recognizes all memory modules.

Not sure if this is relevant but the cable harness that comes with the controller has 4 SATA cables and another cable whose connector isn't labeled. I can't seem to find any documentation regarding this connector closely resembling a USB or 1394 mobo connector.

Motherboard: ASUS Z87-A
BIOS version: 1602 x64
Build Date: 10/29/13
EC Version: MBE2-Z87-0227
ME Version:

CPU: intel core i7-4770K LGA1150 @3.5 GHz, 8MB Cache, FSB Speed 3500 MHz

Memory 4 x 8GB G.Skill Ripjaws DDR3-1600

Adaptec 6405E Bios Version 5.2-0

OS: None yet; still trying to configure RAID on a new build; Will eventually install Ubuntu 14.04 with VMWare Workstation 10

Attempting to attach Seagate 4x2TB

Utilizing SATA cables for HDD and CD Rom drives (5 HDD; 2 Blu-ray Disc Drives)
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  1. Best answer
    Note to self: Check the cable harness connection on the controller. It really does help to have it plugged in all the way. Problem solved. :)
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