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Dell SAS5/i in UEFI Desktop

Nov 10, 2006
4,657 (0.88/day)
Washington, US
System Name Rainbow
Processor Intel Core i7 8700k
Cooling Corsair H115i, 2x Noctua NF-A14 industrialPPC-3000 PWM
Memory G. Skill TridentZ RGB 4x8GB (F4-3600C16Q-32GTZR)
Video Card(s) MSI Radeon RX 5700 XT MECH OC
Storage 2x Samsung 950 Pro 256GB | 2xHGST Deskstar 4TB 7.2K
Display(s) Samsung C27HG70
Case Xigmatek Aquila
Power Supply Seasonic 760W SS-760XP
Mouse Razer Deathadder 2013
Keyboard Corsair Vengeance K95
Software Windows 10 Pro
Benchmark Scores 4 trillion points in GmailMark, over 144 FPS 2K Facebook Scrolling (Extreme Quality preset)
So, I'm trying to get in to the OPROM for a Dell SAS5/i on a Dell Inspiron 3847 to manage the two SAS drives attached to it.

The SAS5/i controller and two SAS drives were formerly in an older Dell PowerEdge 1900 server which occasionally had issues booting to these drives. The controller would report that both drives were 0MB in size.

I moved the SAS controller and two drives over to the Inspiron hoping to troubleshoot further. Booting to Windows, I see the SAS controller and the two Seagate drives, but CrystalDiskInfo and HD Tune do not recognize the drives. SeaTools for Windows does, but is unable to pull SMART info. I can "run" the short and long DSTs, but take about 10 seconds and then "pass" (in quotation marks since there's no way it's doing a long DST in 10 seconds.) I suspect the new PC is also seeing the drives at 0MB in capacity, but can't confirm this.
Disk Management sees the two drives, but wants me to initialize both drives (which would then wipe them out).

I kicked the BIOS down to Legacy mode (from UEFI) thinking that would allow me to enter the controller's setup, but I just get the Dell boot logo followed by a not at all unexpected "Reboot and Select proper Boot device". No options to enter the controller's BIOS.

BIOS options are very sparse and I don't think will help much at all.
IMG_20160203_121250.jpg IMG_20160203_121309.jpg IMG_20160203_121333.jpg IMG_20160203_121343.jpg

Any suggestions on resolving this odd predicament?
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