System-board
switches
and
jumpers
The
following
illustration
shows
the
switches
and
jumpers
on
the
system
board.
The
following
illustration
identifies
the
pins
on
a
jumper
and
shows
the
location
of
pin
1.
3
2
1
Pin 1 mark
Table
2.
Switch
and
jumper
settings
Component
Settings
CMOS
jumper
(JP3)
v
Pins
1
and
2:
Keep
CMOS
data
(default)
v
Pins
2
and
3:
Clear
the
CMOS
data,
which
clears
the
power-on
password
and
administrator
password
Boot
block
jumper
(JP4)
v
Pins
1
and
2:
Normal
(default)
v
Pins
2
and
3:
Recover
boot
block.
NMI
(non-maskable
interrupt)
switch
(SW1)
v
Normal
(default):
No
NMI
issued
v
NMI
button
on
rear
of
server
pressed:
NMI
issued
Mini-BMC
jumper
(JP6)
v
Pins
2
and
3:
Normal
(default)
v
Pins
1
and
2:
Disable
the
mini-BMC.
This
setting
might
be
necessary
when
a
service
processor
adapter
other
than
the
optional
Remote
Supervisor
Adapter
II
is
installed.
Chapter
1.
Introduction
7
Summary of Contents for 306m - eServer xSeries - 8849
Page 1: ...IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide ...
Page 2: ......
Page 3: ...IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide ...
Page 8: ...vi IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide ...
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Page 144: ... Part Number 31R1183 Printed in USA 1P P N 31R1183 ...
