System F keys

Note: These function keys can change with any new software/firmware release and also different hardware types. These function keys are more for server hardware and not desktop hardware.

IBM/Lenovo

F1 : Setup
F2 : Diagnostics
F12 : Boot Device

Cisco

F2 : Setup
F6 : Boot Menu
F7 : Diagnostics
F8 : Cisco IMC Configuration
F12 : Network Boot

HP

F10 : Setup

Dell

F2 : Setup

Supermicro

DEL : Setup
F11 : Boot Menu
F12 : Lan boot

VMware

ESXi – if some of these don’t work ESXi could be hung or they could be disabled.

ALT-F1 : console
ALT-F2 : DCUI
ALT-F11 : banner screen
ALT-F12 : VMkernel log

ESX

ALT-F1 : service console
ALT-F2 : service console
ALT-F11 : banner screen
ALT-F12 : VMkernel log

VM:

F2 : Setup
F12 : Network Boot
ESC : Boot Menu

Additional data:

https://www.lifewire.com/bios-setup-utility-access-keys-for-popular-computer-systems-2624463