.
(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.
Cisco SG95-16 16-Port Gigabit Switch SG95-16-KR
$47.00
Cisco 1100 Terminal - gateway - rack-mountable C1100TGX-1N24P32A
$1349.00
Cisco RV320 Dual WAN VPN 4 Port Gigabit Router w/ Web Filtering RV320-WB-K9-NA
$374.00
Cisco SG110 24 Port Gigabit Ethernet Switch w/ 2 x SFP SG110-24
$117.00
Cisco WS-C3850-48P-L 48-Port Gigabit 3850 PoE Switch w/ 715W+ C3850-NM-4-1G Mod
$83.00
Cisco QSFP-40G-SR-BD BiDi Short-reach Transceiver, 1 Year Warranty
$17.25
Cisco C3850-NM-2-10G 2 Port Network Exp.Module for 3850
$38.99
Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module 10-2415-03
$8.00
Cisco WS-C3850-48F-S Catalyst 3850 48x 1GB PoE+ RJ-45 1x Module Switch
$185.00
Cisco Catalyst 3850 WS-C3850-48U-S 48-Port UPOE Gb Switch w/ NM-2-10G (BH)
$134.96