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C
Initialize
D
Initialize
video
i n t e r f a c e
E
test
video
F
test
DMA
0
1 0
Test
DMA
Controller
1
1 1
Test
DMA
r e g i s t e r s
1 2 _ 1 3
R e s e r v e r d
1 4
Test
Timer
2
1 5
Test
Timer
2
1 6
Test
8259-2
1 7
Test
Stuck
Interrupt
Bits
1 8
Test
8259
F u n c t i o n a l i t y
1 9
Test
Stuck
NMI
(Parity
I/O
1 A
1 B - 1 E
R e s e r v e d
1 F
Set
EISA
Mode
2 0
Enable
slot
2 1 - 2 F
Enablr
slots
3 0
Size
base
and
memory
m e m o r y
3 1
Test
base
extended
3 2
Test
EISA
Extended
3 3 - 3 B
R e s e r v e d
3 C
Setup
Enabled
3 D
Initialized
and
install
mouse
3 E
Setup
cache
C o n t r o l l e r
3 F
r e s e r v e d
B F
C h i p s e t
I n i t i a l i z a t i o n
S1642-001-01
Keyboard
Detect
kind
of
Set
NUM_LOCK
Detect
CPU
clock.
to
find
out
type
initialize
Video
memory
Test
Video
memory,
to
screen.
shadow
according
controller
BIOS
checksum
i n i t a l i z a t i o n
memory
Page
Test
DMA
Page
Counter
Test
8254
Timer
Counter
Verify
8259
Channel
alternately
turning
l i n e s .
Mask
Verify
8259
alternating
and
turning
l i n e s
859's
Turn
off
interrupt
register
is
on.
Interrupt
Force
and
interrupt
o c c u r e d .
Bits
Verify
NMI
Can
Check)
Display
CPU
If
EISA
non-volatile
good,
exicute
EISA
excecute
ISA
tests
Test
EISA
configuration
(checksum
&
0
Initialize
slot
0
1-15
Initialize
slot
Size
base
memory
Extended
extended
memory
and
Test
base
memory
memory
extended
memory
patterns.
This
and
can
be
"skipped"
If
EISA
Mode
Flag
Memory
found
in
slots
skipped
is
ISA
with
<Esc>
key
Detects
if
mouse
install
interrupt
Initialize
chache
Program
Chipset
57
keyboard
controller
(optional).
status
Read
CMOS
location
of
video
in
use.
Detect
adapter.
write
sign-on
Setup
shadow
RAm-Enable
to
setup
test.
Keyboard
detect
Registers
0
Counter
2
1
masked
interrrupts
off
and
on
the
interrupt
Channel
2
masked
interrupts
off
and
on
the
then
verify
no
interrupt
and
verify
interrupt
be
cleared
Clock
memory
checksum
initialization.
If
not,
an
cleat
EISA
MODE
Memory
Integrity
communication
interface)
(saystem
board)
1-15
from
256K
to
640K
above
1
MB
form
256K
to
640K
above
1
Mb
using
will
be
skipped
in
EISA
with
<Esc>
in
ISA
is
set
the
test
EISA
initialization.
This
will
be
mode
and
can
be
"skipped"
in
EISA
mode
is
present,
initiaize
vectors.
controller
registers
withsetup
14h
and
message
and
by
by
interrupt
mask
is
flag.
and
various
mode
mide
memory
mouse,
values
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