BIOS CONSOLE REDIRECTION
4-26
Standalone <Esc> Key for Headless Operation
The Microsoft Headless Design Guidelines describes a specific implementation for the
<Esc> key as a single standalone keystroke:
To complete an escape sequence, the timeout must be two seconds for entering addi-
tional characters following an escape.
<Esc> followed by a two-second pause must be interpreted as a single escape.
<Esc> followed within two seconds by one or more characters that do not form a
sequence described in this specification must be interpreted as <Esc> plus the char-
acter or characters, not as an escape sequence.
The escape sequence in the following table is an input sequence. This means it is sent to
the BIOS from the remote terminal.
Limitations
BIOS Console redirection terminates after an operating system has being loaded.
The operating system is responsible for continuing console redirection after that.
BIOS console redirection is a text console. Graphical data, such as a logo, are not
redirected.
Interface to Server Management (Optional)
If the BIOS determines that console redirection is enabled, it will read the current baud
rate and pass this value to the appropriate management controller via the Intelligent Plat-
form Management Bus (IPMB).
F8 <ESC>8
F9 <ESC>9
F10 <ESC>0
F11 <ESC>!
F12 <ESC>@
Home <ESC>[H <ESC>h
End <ESC>[K <ESC>k
Ins <ESC>+
Del <ESC>-
Page Up <ESC>?
Page Down <ESC>/
Reset <ESC>R<ESC>r<ESC>R
Table 4.1: Keystroke Mappings (Continued)
KEY ANSI ESCAPE SEQUENCE WINDOWS PLATFORM DESIGN NOTE
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