.
(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.
Macintosh Platinum Mouse - Apple 128K 512K 512Ke Mac Plus Lisa IIe M0100 - NEW
$44.99
Apple IIe A2S2064 Vintage Personal Computer 128K Enhanced
$200.00
Macintosh Platinum Mouse - Apple II, IIe, 128K 512K 512Ke Mac Plus M0100 - New
$35.99
1984 APPLE MACINTOSH 128K 40th Anniversary MATCHING # BOX Set 1st Mac M0001 NICE
$7999.99
Apple Macintosh 128k 512k Plus Analog Board Capacitor Re-Cap Kit - US Shipping
$23.95
Apple Keyboard and Cable for Macintosh 128k 512k Mac Plus RARE Vintage M0110A
$149.95
Vintage Apple lle 128k Enhanced Computer A2S2064 Rebuilt W/ Disk Drive & more
$349.00
Apple Macintosh M0001 128K computer & M0110 keyboard/mouse, for parts/repair
$300.00
Apple Macintosh 128K M0001 Computer with 128K Label - Estate Sale SOLD AS IS
$2468.10
VINTAGE APPLE MACINTOSH M0110 KEYBOARD 128K 512K PLUS WITH ORIGINAL CABLE
$199.99