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For
information
about
configuring
the
Ethernet
controller,
see
Video
connector
Note:
When
two
servers
are
merged
together
in
a
16-way
configuration
(models
1VX,
2VX,
3VX
only),
the
video
port
on
the
secondary
server
will
no
longer
operate.
The
following
illustration
shows
the
pin-number
assignments
for
the
15-pin
analog
video
connector
on
the
rear
of
the
server.
1
5
11
15
Table
8.
Video-port
connector
pin-number
assignments
Pin
Signal
Pin
Signal
Pin
Signal
1
Red
6
Ground
11
Not
connected
2
Green
or
monochrome
7
Ground
12
DDC
SDA
3
Blue
8
Ground
13
Horizontal
synchronization
(Hsync)
4
Not
connected
9
+5
V
dc
14
Vertical
synchronization
(Vsync)
5
Ground
10
Ground
15
DDC
SDL
Universal
Serial
Bus
ports
Note:
When
two
servers
are
merged
together
in
a
16-way
configuration
(models
1VX,
2VX,
3VX
only),
the
USB
ports
on
the
secondary
server
will
no
longer
operate.
Disconnect
all
USB
devices
from
the
secondary
server
prior
to
merging
the
two
servers.
The
server
has
three
Universal
Serial
Bus
(USB)
ports,
which
are
configured
automatically.
USB
is
a
serial
interface
standard
for
telephony
and
multimedia
devices.
It
uses
Plug
and
Play
technology
to
determine
the
type
of
device
attached
to
the
connector.
USB
cables
and
hubs
You
need
a
4-pin
cable
to
connect
devices
to
USB
1,
USB
2,
and
USB
3.
If
you
plan
to
attach
more
than
three
USB
devices,
you
must
use
a
hub
to
connect
the
devices.
The
hub
provides
multiple
connectors
for
attaching
additional
external
USB
devices.
USB
technology
provides
up
to
12
Mbps
speed
with
a
maximum
of
127
external
devices
and
a
maximum
signal
distance
of
5
meters
(16
ft)
per
segment.
Note:
You
might
need
to
use
the
Configuration/Setup
utility
to
enable
keyboardless
operation
to
prevent
POST
error
message
301
from
being
displayed
during
startup.
For
detailed
information
about
this
option
and
how
to
connect
it
to
the
server,
refer
to
the
documentation
that
comes
with
the
option.
Installing
options
113
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