haiku/data/settings/kernel/drivers/kernel

#disable_smp true
	# disables multiprocessor support, default is enabled

#serial_debug_output false
	# disables serial debug output, default is enabled

#serial_debug_port 1
	# possible values: <num>|<port>
	# serial interface number (as enumerated by the BIOS) or the
	# base port of the serial interface to be used for kernel
	# debug output and the kernel debugger
	# default is 0 (COM1)

#serial_debug_speed 57600
	# possible values: <9600|19200|38400|57600|115200>
	# default is 115200

#syslog_debug_output false
	# disables syslog debug output - all debug output is also sent to
	# the syslog service by default.

#syslog_buffer_size 131768
	# The default size of the internal syslog ring buffer - if you often see
	# <DROP> or <TRUNC> messages in your syslog, you might want to increase
	# this value. Defaults to 65536 bytes.

#syslog_time_stamps true
	# Include time stamps in syslog debug output, defaults to false.

#syslog_max_size 20MB
	# change maximum syslog file size, default is 512kB

#bluescreen false
	# enables/disables on-screen KDL (defaults to on),
	# you want to disable this for serial debugging

#bochs_debug_output true
	# Activates Bochs debug output if enabled in the kernel
	# (available on x86 as a build option only)

#qemu_single_step_hack true
	# Activates a hack that allows single-stepping under qemu
	# to work.

load_symbols true
	# load kernel and kernel add-on symbols, default is off

#apm true
	# APM (advanced power management) support
	# (system shutdown, battery info, ...)
	# default is off

#emergency_keys false
	# Disables emergency keys (ie. Alt-SysReq+*), enabled by default

acpi true
	# ACPI support, disabled by default

#acpi_avoid_full_init true
	# Avoids running _INI and _STA methods and final object initialization,
	# which may be used to for debugging ACPI issues, false by default

#4gb_memory_limit true
	# Ignores all memory beyond the 4 GB address limit. Default is false.