BIOS escape sequences over Serial Console April 1st, 2008
Note to self: works on Dell Poweredges using IPMI console redirection. So to attempt a PXE boot use the ESC-@ escape sequence when using the serial console.
Defined As
F1 F2
F3 F4
F5 F6
F7 F8
F9 F10
F11 F12
Keyboard Entry <ESC>1 <ESC>2
<ESC>3 <ESC>4 <ESC>5 <ESC>6 <ESC>7
<ESC>8 <ESC>9 <ESC>0 <ESC>!
<ESC>@
From IPMI on Debian

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