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I/O
board
This
section
illustrates
the
internal
connectors
on
the
I/O
board,
and
provides
instructions
for
I/O
board
replacement.
I/O
board
internal
connectors
The
following
illustration
identifies
the
internal
connectors
on
the
I/O
board.
This
board
supports
the
input
and
output
ports
located
on
the
server.
Power/Reset
connector (J5)
Media bays
connector (J3)
Fans 1 and 2
connectors (J8)
Fan 4
connector (J21)
Fan 3
connector (J9)
I/O VRM (J31)
SCSI A
connector (J2)
USB cable
connector (J1)
Riser card
connector (J44)
SCSI B
connector (J38)
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
Boot recovery
(BIOS) (J28)
Reserved (J4)
Reserved (J19)
Power-on
password (J20)
Note:
The
default
position
for
J4,
J10,
J20
and
J28
is
pins
1
and
2.
Power
switch
bypass
The
power
switch
can
by
bypassed
(force
power
on)
using
the
J5
connector
on
the
I/O
board.
Pin 1
Reset button
(0=pressed)
Pin 2
Ground
Pin 3
3.3V standby
Pin 4
Power button
(0=pressed)
Pin 5
Power LED
(0=LED on)
Pin 6
Power/reset switch present
(0=present)
Unplug
the
J5
connector;
then,
either
connect
another
power
switch
or
connect
pin
6
to
pin
4
to
simulate
a
button
press.
132
xSeries
440
Type
8687:
Hardware
Maintenance
Manual
Содержание xSeries 440 8687
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Страница 258: ...Part Number 4949 49Y0156 1P P N 24P2935...