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IOPL B-Device
ring B-Operating_System
3 I-Operating_System
) O
which O
should O
be O
allowed O
to O
run O
at O
ring B-Operating_System
2 I-Operating_System
in O
order O
to O
directly O
access O
the O
hardware O
for O
I/O O
. O
( O
Can O
be O
emulated O
using O
and O
under O
DR-DOS O
. O
) O
( O
Same O
as O
in O
DR O
DOS B-Device
5.0 O
. O
) O
Installs O
a O
TSR O
program O
into O
memory O
, O
like O
, O
but O
installs O
after O
the O
DOS B-Device
data O
segment O
relocation O
. O
Configures O
boot O
logo O
support O
under O
MS-DOS O
. O
Allows O
to O
display O
startup O
message O
in O
conjunction O
with O
PTS-DOS B-Operating_System
boot O
manager O
. O
Defines O
count O
and O
logical O
order O
and O
configures O
I/O B-Architecture
address I-Architecture
and O
timeout O
for O
LPT1 B-Device
: O
device O
. O
Defines O
count O
and O
logical O
order O