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Chapter 2: Setting Up Your Server
Controlling your server
Local control
Your server can be controlled locally by installing a USB keyboard and a USB mouse. There
are USB connectors, as well as video connectors, on both the front and back of the server.
There are no PS/2 connectors on this server.
Remote control
The BIOS supports redirection of both video and keyboard through a serial link (COM port)
on this server. When console redirection is enabled, local (host server) keyboard input and
video output are passed both to the local keyboard and video connections and to the
remote console through the serial link. Keyboard inputs from both sources are considered
valid and video is displayed to both outputs.
With console redirection, you can control the server without a host keyboard or monitor
attached to the server, and you can run the server entirely by remote control, including
setup and other text-based utilities.
Serial configuration settings
When redirecting through a modem (instead of a null modem cable), the modem needs
to be configured as follows:
■ Auto-answer (for example, ATS0=2, to answer after two rings).
■ Modem reaction to DTR set to return to command state (for example, AT&D1) - failure
to provide this setting results in the modem either dropping the link when the server
reboots (as in AD&D0) or becoming unresponsive to server baud rate changes (as in
AT&D2).
■ Handshake must be set to CTS/RTS + CD for optimum performance - If EMP is sharing
the COM port with serial redirection, the handshaking must be set to Xon/Xoff + CD.
An EMP option utilizing CD should not be used if a modem is not used and the CD
is not connected.
■ Both EMP and console redirection require N, 8, 1 mode (no parity, 8-bit dta, 1 stop bit).
The BIOS does not require that the splash logo be turned off for console redirection to
function. The BIOS supports multiple consoles, some of which are in graphics mode and
some in text mode. The graphics consoles can display the logo while the text consoles
receive the redirected text.
Console redirection ends at the beginning of the Legacy OS boot (INT 19h).
8510702.book Page 20 Thursday, July 7, 2005 11:21 AM