System
board
jumpers
and
switches
This
section
describes
the
jumpers
and
switches
on
the
system
board.
Auto system
restart (JP3)
System reset
(JRST1)
Reserved
(JP1, JP2)
Configuration
(JCON1)
CMOS
(JCMOS1)
Jumper
Settings
Auto
system
restart
(JP3)
(device
driver
required
for
ASR
functionality)
v
Auto
restart
enabled
(default)
(no
jumper)
v
Auto
restart
disabled
(with
jumper)
Configuration
(JCON1)
v
Normal
(default)
(jumper
on
pins
1
and
2)
v
Configuration
(jumper
on
pins
2
and
3)
v
BIOS
crisis
recovery
(no
jumper)
CMOS
(JCMOS1)
v
Keep
CMOS
data
(default)
(jumper
on
pins
1
and
2)
v
Clear
CMOS
data
(jumper
on
pins
2
and
3
with
power
cords
removed
from
server)
Reserved
(JP1,
JP2)
v
No
jumper
(default)
System
reset
(JRST1)
v
Normal
(default)
(no
jumper)
v
Force
system
reset
(debug
only)
(with
jumper)
Chapter
5.
Field
replaceable
units
89
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