TPC6000
‐
A152
User
Manual
91
NOTE:
The
following
discussion
applies
to
DOS
environment.
NODKA
support
is
contacted
or
the
NODKA
website
visited
for
specific
drivers
for
more
sophisticated
operating
systems,
e.g.,
Windows
and
Linux.
The
Watchdog
Timer
is
provided
to
ensure
that
standalone
systems
can
always
recover
from
catastrophic
conditions
that
cause
the
CPU
to
crash.
This
condition
may
have
occurred
by
external
EMIs
or
a
software
bug.
When
the
CPU
stops
working
correctly,
Watchdog
Timer
either
performs
a
hardware
reset
(cold
boot)
or
a
Non
‐
Maskable
Interrupt
(NMI)
to
bring
the
system
back
to
a
known
state.
A
BIOS
function
call
(INT
15H)
is
used
to
control
the
Watchdog
Timer.
INT
15H:
AH
‐
6FH
Sub
‐
function
AL
–
2:
Sets
the
Watchdog
Timer’s
period.
BL:
Time
‐
out
value
(Its
unit
‐
second
is
dependent
on
the
item
“Watchdog
Timer
unit
select”
in
CMOS
setup).
Table
C
‐
1:
AH
‐
6FH
Sub
‐
function
Call
sub
‐
function
2
to
set
the
time
‐
out
period
of
Watchdog
Timer
first.
If
the
time
‐
out
value
is
not
zero,
the
Watchdog
Timer
starts
counting
down.
When
the
timer
value
reaches
zero,
the
system
resets.
To
ensure
that
this
reset
condition
does
not
occur,
calling
sub
‐
function
2
must
periodically
refresh
the
Watchdog
Timer.
However,
the
watchdog
timer
is
disabled
if
the
time
‐
out
value
is
set
to
zero.
A
tolerance
of
at
least
10%
must
be
maintained
to
avoid
unknown
routines
within
the
operating
system
(DOS),
such
as
disk
I/O
that
can
be
very
time
‐
consuming.
NOTE:
When
exiting
a
program
it
is
necessary
to
disable
the
Watchdog
Timer,
otherwise
the
system
resets.
Example
program:
INITIAL
TIMER
PERIOD
COUNTER
;
W_LOOP:
MOV
AX,
6F02H
;
//setting
the
time
‐
out
value
MOV
BL,
30
;
//time
‐
out
value
is
48
seconds
Содержание TPC6000-A152
Страница 1: ...TPC6000 A152 User Manual 1 User Manual Ver1 0 TPC6000 A152 Industrial Panel PC...
Страница 8: ...TPC6000 A152 User Manual 8 Chapter 1 OVERVIEW...
Страница 14: ...TPC6000 A152 User Manual 14 1 6 Dimensions Figure 1 5 TPC6000 A152 T dimensions...
Страница 15: ...TPC6000 A152 User Manual 15 Chapter 2 INSTALLATIONS...
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Страница 56: ...TPC6000 A152 User Manual 56 Chapter 3 BIOS Setup...
Страница 60: ...TPC6000 A152 User Manual 60 Figure 3 3 Advanced BIOS Features Setup Screen 3 3 1 PCI Subsystem Setting...
Страница 61: ...TPC6000 A152 User Manual 61 Figure 3 3 1 PCI Subsystem Configuration Setting...
Страница 62: ...TPC6000 A152 User Manual 62 3 3 2 ACPI Setting Figure 3 3 2 ACPI Configuration Setting...
Страница 63: ...TPC6000 A152 User Manual 63 3 3 3 CPU Configuration Setting Figure 3 3 3 CPU Configuration Setting...
Страница 65: ...TPC6000 A152 User Manual 65 3 3 5 USB Configuration Figure 3 3 5 USB Configuration...
Страница 67: ...TPC6000 A152 User Manual 67 3 3 7 PC Health Status Figure 3 3 7 PC Health status...
Страница 68: ...TPC6000 A152 User Manual 68 3 3 8 PPM Configuration Figure 3 3 8 PPM Configuration...
Страница 69: ...TPC6000 A152 User Manual 69 3 4 Chipset Settings host bridge Figure 3 4 Chipset Settings...
Страница 70: ...TPC6000 A152 User Manual 70 3 4 1 Intel graphic configuration...
Страница 72: ...TPC6000 A152 User Manual 72 3 5 Chipset settings south bridge Figure 3 5 Chipset Settings...
Страница 74: ...TPC6000 A152 User Manual 74 3 5 2 Power on configuration Figure 3 5 3 Power on Settings...
Страница 76: ...TPC6000 A152 User Manual 76 Figure 3 5 3 Boot configuration...
Страница 77: ...TPC6000 A152 User Manual 77 3 6 Security settings Figure 3 6 Security settings...
Страница 80: ...TPC6000 A152 User Manual 80 Chapter 4 System Maintenance...
Страница 82: ...TPC6000 A152 User Manual 82 A Safety Precautions...
Страница 86: ...TPC6000 A152 User Manual 86 B ALC662 Digital Microphone Configuration...
Страница 90: ...TPC6000 A152 User Manual 90 C Watchdog Timer...
Страница 93: ...TPC6000 A152 User Manual 93 D Hazardous Materials Disclosure...
Страница 96: ...TPC6000 A152 User Manual 96 Chapter 5 Appendix A...