<s>
SeaBIOS	B-Language
is	O
an	O
open-source	B-Application
implementation	O
of	O
an	O
x86	B-Operating_System
BIOS	B-Operating_System
,	O
serving	O
as	O
a	O
freely	O
available	O
firmware	B-Application
for	O
x86	B-Operating_System
systems	O
.	O
</s>
<s>
Aiming	O
for	O
compatibility	O
,	O
it	O
supports	O
standard	B-Operating_System
BIOS	I-Operating_System
features	O
and	O
calling	O
interfaces	B-Application
that	O
are	O
implemented	O
by	O
a	O
typical	O
proprietary	O
x86	B-Operating_System
BIOS	B-Operating_System
.	O
</s>
<s>
SeaBIOS	B-Language
can	O
either	O
run	O
on	O
bare	O
hardware	O
as	O
a	O
coreboot	B-Device
payload	O
,	O
or	O
can	O
be	O
used	O
directly	O
in	O
emulators	B-Application
such	O
as	O
QEMU	B-Application
and	O
Bochs	B-Language
.	O
</s>
<s>
Initially	O
,	O
SeaBIOS	B-Language
was	O
based	O
on	O
the	O
open-source	B-Application
BIOS	B-Operating_System
implementation	O
included	O
with	O
the	O
Bochs	B-Language
emulator	B-Application
.	O
</s>
<s>
The	O
project	O
was	O
created	O
with	O
intentions	O
to	O
allow	O
native	O
usage	O
on	O
x86	B-Operating_System
hardware	O
,	O
and	O
to	O
be	O
based	O
on	O
an	O
improved	O
and	O
more	O
easily	O
extendable	O
internal	O
source	O
code	O
implementation	O
.	O
</s>
<s>
Features	O
supported	O
by	O
SeaBIOS	B-Language
include	O
the	O
following	O
:	O
</s>
<s>
Network	B-Device
booting	I-Device
support	O
e.g.	O
</s>
<s>
A	O
patch	O
exists	O
to	O
load	O
the	O
SLIC	O
table	O
from	O
a	O
licensed	O
OEM	O
Windows	O
BIOS	B-Operating_System
.	O
</s>
<s>
Protected	B-Application
mode	I-Application
interfaces	B-Application
,	O
e.g.	O
</s>
<s>
Does	O
not	O
support	O
Intel	B-Device
ME	I-Device
or	O
AMD	B-Device
PSP	I-Device
or	O
its	O
modules	O
.	O
</s>
<s>
SeaBIOS	B-Language
's	O
boot	O
device	O
selection	O
menu	O
can	O
be	O
accessed	O
by	O
pressing	O
during	O
the	O
boot	O
process	O
.	O
</s>
<s>
SeaBIOS	B-Language
can	O
run	O
natively	O
on	O
x86	B-Operating_System
hardware	O
,	O
in	O
which	O
case	O
it	O
is	O
loaded	O
by	O
either	O
coreboot	B-Device
or	O
Libreboot	B-Device
as	O
a	O
payload	O
;	O
it	O
runs	O
on	O
386	B-General_Concept
and	O
later	O
processors	O
,	O
and	O
requires	O
a	O
minimum	O
of	O
1MB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
Compiled	O
SeaBIOS	B-Language
images	O
can	O
be	O
flashed	O
into	O
supported	O
motherboards	O
using	O
flashrom	B-Device
.	O
</s>
<s>
SeaBIOS	B-Language
also	O
runs	O
inside	O
an	O
emulator	B-Application
;	O
it	O
is	O
the	O
default	O
BIOS	B-Operating_System
for	O
the	O
QEMU	B-Application
and	O
KVM	B-Application
virtualization	O
environments	O
,	O
and	O
can	O
be	O
used	O
with	O
the	O
Bochs	B-Language
emulator	B-Application
.	O
</s>
<s>
It	O
is	O
also	O
included	O
in	O
some	O
Chromebooks	B-Operating_System
,	O
although	O
it	O
is	O
not	O
used	O
by	O
ChromeOS	B-Operating_System
.	O
</s>
<s>
Most	O
of	O
the	O
SeaBIOS	B-Language
source	O
code	O
is	O
written	O
in	O
C	B-Language
,	O
with	O
its	O
build	O
system	O
relying	O
on	O
the	O
standard	O
GNU	B-Application
toolchain	I-Application
.	O
</s>
<s>
SeaBIOS	B-Language
has	O
been	O
tested	O
with	O
various	O
bootloaders	O
and	O
operating	O
systems	O
,	O
including	O
GNU	B-Application
GRUB	I-Application
,	O
LILO	B-Application
,	O
SYSLINUX	B-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
,	O
FreeDOS	B-Application
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
and	O
OpenBSD	B-Operating_System
.	O
</s>
