System
board
external
connectors
The
following
illustration
identifies
system
board
connectors
for
external
devices.
Mouse
Keyboard
Parallel
Serial 1
Serial 2
USB 2
USB 1
Mic
MIDI
Line in
Line out
Ethernet
System
board
jumpers
The
following
illustration
identifies
the
jumpers
on
the
system
board.
CMOS jumper
(JBAT1)
Boot block jumper
(JROM1)
1
1
2
2
3
3
Boot
block
jumper
For
normal
operations
of
the
system,
a
jumper
is
installed
on
pins
2
and
3
of
the
boot
block
jumper.
Note:
The
boot
block
jumper
(JROM1)
should
only
be
removed
by
an
IBM
authorized
service
representative.
CMOS
jumper
Installing
options
39
Summary of Contents for xSeries 200
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