Replacing the sas expander pcb, Replacing, Expander – Lenovo Secure Managed Client User Manual
Page 36: Removing
14.
Run
the
BIOS
Setup
utility
to
restore
the
configuration
settings
to
the
real-time
clock.
Replacing
the
SAS
expander
PCB
To
replace
the
SAS
expander
PCB,
do
the
following:
CAUTION:
Hot
Surfaces:
Disconnect
power
and
allow
to
cool
before
servicing.
1.
Observe
all
safety
and
ESD
precautions
in
the
Safety
and
Warranty
Guide.
2.
Turn
off
all
peripheral
devices
connected
to
the
storage
system.
Turn
off
the
storage
system.
3.
Disconnect
the
AC
power
cord(s).
4.
Remove
the
enclosure
cover.
For
instructions,
see
5.
Open
the
PCB
cover
(see
1
in
the
following
figure).
Remove
the
SAS
cable
(see
2 ).
Pull
the
SAS
Expander
PCB
assembly
forward,
unplugging
it
from
the
backplane
(see
3 ).
Figure
28.
Removing
the
SAS
expander
PCB
28
Secure
Managed
Client
(SMC)
-
Storage
Array
Hardware
Installation
and
Replacement
Guide