.
(specifically, HP's Pavilion P6-2310)
Excerpted from http://distrowatch.com/weekly.php?issue=20121126#news
Boot machine while pressing F10
Find Secure Boot in the menu tree, ignore warnings
Disable Secure Boot feature
Enable legacy boot options
Enable specific legacy devices, such as USB devices
Save and reboot while holding down F9
If this doesn't work for your device, refer to Jesse Smith's article for clues.
Also, post your solution if some other scheme works for you.
ACASIS 2.5/3.5 inch 2 Bay SATA USB 3.0 Hard Drive Disk HDD SSD Enclosure 4 RAID
$55.45
R640 DELL POWEREDGE 8 x 2.5’’ CTO | 2X HEATSINKS | H730P RAID | X550/i350 NDC
$699.95
Dell R630 8SFF 2.1Ghz 36-Core 128GB H730 RAID 10GB RJ-45 NIC 2x750W PSU 8x Trays
$575.04
Dell R740XD2 26LFF 2.2Ghz 32-C 64GB H730P MINI RAID 2x10G SFP+ NIC 2x1100W Rails
$5550.08
Inspur LSI 9300-8i Raid Card 12Gbps HBA HDD Controller High Profile IT MODE
$15.98
Inspur LSI YZCA-00424-101 Raid Card 12Gbps HBA Controller Low Profile 9300-8i IT
$15.98
ORICO Multi Bay RAID Hard Drive Enclosure USB 3.0/ Type-C For 2.5/3.5'' HDD SSDs
$86.99
LSI MegaRAID 9361-8i 12Gbps PCIe 3 x8 SATA SAS 3 8 Port RAID + BBU & CacheVault
$39.00
Lenovo 930-16i PCIe SAS RAID Controller FRU P/N: 01KN508 Tested Working
$149.99
DELL PERC H310 RAID Controller with Cables, OHV52W, 6Gb/s SAS SATA PCIe x8
$19.95