.
(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.
Vintage Intel Personal PC CPU Collection in White Shadowbox Display
$200.00
VINTAGE SummaGraphics SummaMouse
$240.00
Vintage IBM 5150 5160 Personal Computer PC XT Drive cover Factory
$79.99
Vintage Classic Apple Macintosh System Boot Install Disk Floppy/CD *Pick Version
$10.39
Z80 - NABU PC & Keyboard - Vintage New Old Stock (Retro 80's)
$139.99
Vintage Black Microsoft intellimouse Optical USB Wheel Mouse 1.1/1.1a - EXC COND
$28.95
Vintage Compaq 141649-004 2 Button PS/2 Gray Mouse M-S34 - FAST SHIPPING - NEW
$8.99
Vintage Computer Mouse - Todays Mouse - Windows 95 P S/2
$9.99
SEALED Vintage Western Digital Value Line Hard Drive 3.5-Inch Enhanced IDE 25 GB
$100.00
Vintage Compaq Presario Mouse, Model MUS9J, PS/2 - Tested & Working, Very Good
$12.99