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1-14 Chapter 1: Product Overview
RS-232 DB-9 Male Connector Pinout
Pin
Port A
Port B
4
DTR
DTR
5
GND
GND
6
DSR
DSR
7
RTS
RTS
8
CTS
CTS
9
RI
or
+12*
RI
*
If
Port
1
or
3
is
powered,
pin
9
will
be
+12
V.
Hardware Monitor
The
hardware
monitor
generates
an
interrupt
to
the
system
whenever
any
of
the
internal
voltages
used
by
the
system
processor
goes
above
or
below
the
acceptable
operating
range.
An
interrupt
is
also
generated
when
the
temperature
of
the
Processor
exceeds
safe
levels.
Software
can
use
this
indication
to
slow
or
stop
the
system
and/or
force
a
reset.
PCI Expansion Header
A
single
expansion
header
is
provided
to
support
optional
features,
such
as
the
PCMCIA
for
Wireless
LAN
Board.
This
board
supports
two
Type
2
or
one
Type
3
PCMCIA
type
cards.
IDE Header
A
standard
IDE
header
is
provided
to
support
the
2.5
ʺ
hard
disk
drive
or
the
64
MB
and
256
MB
compact
flash.
Audio
The
base
unit
has
Sound
Blaster
‐
compatible
audio.
Wave
table
synthesis
is
not
supported.
FM
synthesis
and
MIDI
are
supported
in
the
hardware,
but
requires
software
driver
support
to
function.
Summary of Contents for 7454
Page 1: ...NCR 7454 Retail Terminal Release 2 2 Hardware User s Guide 18004 NCR B005 0000 1256 Issue H...
Page 38: ...1 26 Chapter 1 Product Overview 16 High Post Mount 17198...
Page 50: ......
Page 100: ...3 10 Chapter 3 Setup...
Page 138: ...4 28 Chapter 4 Operating System Recovery...
Page 148: ...5 10 Chapter 5 BIOS Updating Procedures...
Page 151: ...Chapter 6 NCR 7454 4x20 Customer Display 6 3 Character Set Page 1 International...
Page 152: ...6 4 Chapter 6 NCR 7454 4x20 Customer Display Page 2 Japanese...
Page 153: ...Chapter 6 NCR 7454 4x20 Customer Display 6 5 Page 3 Code Page 850...
Page 166: ...6 18 Chapter 6 NCR 7454 4x20 Customer Display...
Page 178: ......
Page 179: ......
Page 180: ...B005 0000 1256 Dec 2002 Printed on recycled paper...