System BIOS Intel® 5000 Series Chipsets Server Board Family Datasheet
Revision 1.1
Intel order number D38960-004
96
Table 33. Console Redirection Escape Sequences for Headless Operation
Escape Sequence Description
<Esc>R<Esc>r<Esc>R
This will implement but will default to “disabled”.
Remote Console Reset
3.20.3 Limitations
BIOS Console redirection terminates after an EFI-aware operating system calls EFI Exit
Boot Services. 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.
3.20.4 Interface to Server Management
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 Platform
Management Bus (IPMB).
3.21 IPMI Serial Interface
The system provides a communication serial port with the BMC. A multiplexer, controlled by the
BMC, determines if the COM1 external connector is electrically connected to the BMC or to the
standard serial port of the Super I/O. See the Intelligent Platform Management Interface
Specification, Version 2.0, Section 14 “IPMI Serial/Modem Interface” for information about these
features.
3.21.1 Channel Access Modes
The BIOS supports the four different channel access modes that are described in table 6-4 of
the Intelligent Platform Management Interface Specification, Version 2.0.
3.21.2 Interaction with BIOS Console Redirection
BIOS Console Redirection accomplishes the implementation of VT-UTF8 console redirection
support in Intel’s server BIOS products. This implementation meets the functional requirements
set forth in the Microsoft Windows 2003* WHQL requirements for headless operation of servers.
It also maintains a necessary degree of backward compatibility with existing Intel server BIOS
products and meets the architectural requirements of Intel server products in development.
The server BIOS has a console that interacts with a display and keyboard combination. The
BIOS instantiates sources and sinks of input / output data in the form of BIOS Setup screens,
Boot Manager screens, Power On Self Test (POST) informational messages, and hot-key /
escape sequence action requests.
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