#-------------------------------------------------------------------------------
# Name..........: pxelinux.cfg/default
# Version.......: 0.1
# Description...: Simple Menu Configuration File for SysLinux pxelinux.0.
# Target OS.....: Linux (PXE Environment)
# Requires......: pxelinux.0,menu.c32 [,memdisk,lkernels:vmlinuz1,initrd1.img]
# Last Modified.: 2008y-05m-30d
# Author........: Sean Blankenship <spcsys@gmail.com>
# Copyright.....: Copyright © 2008 Specialized Systems. All rights reserved.
# Notes.........: None.
#-------------------------------------------------------------------------------
serial 0 9600 0		# console is serial
console 0		# some systems redirect console to serial (no duplicate)
#-------------------------------------------------------------------------------
default menu.c32
timeout 300
allowoptions 0
prompt 0
menu title PXE Boot System
#-------------------------------------------------------------------------------
label local0
	menu label ^Boot Normal
	localboot  0
label netboot
	menu label ^Network Boot
	kernel memdisk
	append initrd=w98se-netboot.ima
label cleanboot
	menu label ^Clean Win98 Boot
	kernel memdisk
	append initrd=w98.ima
#-------------------------------------------------------------------------------

http://syslinux.zytor.com/faq.php

SERIAL port [[baudrate] flowcontrol]
	Enables a serial port to act as the console.  "port" is a
	number (0 = /dev/ttyS0 = COM1, etc.) or an I/O port address
	(e.g. 0x3F8); if "baudrate" is omitted, the baud rate defaults
	to 9600 bps.  The serial parameters are hardcoded to be 8
	bits, no parity, 1 stop bit.

	"flowcontrol" is a combination of the following bits:
	0x001 - Assert DTR
	0x002 - Assert RTS
	0x010 - Wait for CTS assertion
	0x020 - Wait for DSR assertion
	0x040 - Wait for RI assertion
	0x080 - Wait for DCD assertion
	0x100 - Ignore input unless CTS asserted
	0x200 - Ignore input unless DSR asserted
	0x400 - Ignore input unless RI asserted
	0x800 - Ignore input unless DCD asserted

	All other bits are reserved.

	Typical values are:

	    0 - No flow control (default)
	0x303 - Null modem cable detect
	0x013 - RTS/CTS flow control
	0x813 - RTS/CTS flow control, modem input
	0x023 - DTR/DSR flow control
	0x083 - DTR/DCD flow control

	For the SERIAL directive to be guaranteed to work properly, it
	should be the first directive in the configuration file.

	NOTE: "port" values from 0 to 3 means the first four serial
	ports detected by the BIOS.  They may or may not correspond to
	the legacy port values 0x3F8, 0x2F8, 0x3E8, 0x2E8.

CONSOLE flag_val
	If flag_val is 0, disable output to the normal video console.
	If flag_val is 1, enable output to the video console (this is
	the default.)

	Some BIOSes try to forward this to the serial console and
	sometimes make a total mess thereof, so this option lets you
	disable the video console on these systems.