The
following
illustration
shows
the
LEDs
on
the
system
board.
Light path diagnostics (SW4)
DIMM 1 error LED (CR201)
DIMM 2 error LED (CR4)
Microprocessor 1 error LED (CR12)
Microprocessor 2 error LED (CR13)
Reserved
Control panel
connector
3V lithium battery
SAS 0 Hard disk drive LED (CR260)
SAS trays/connectors
SAS 1 hard
disk drive LED
(CR262)
I/O expansion
connectors
DIMM 4 Error LED
(CR6)
DIMM 3 Error LED
(CR5)
Table
2.
System
board
LEDs
LED
name
and
location
Description
DIMM
1
error
LED
(CR201)
DIMM
2
error
LED
(CR4)
DIMM
3
error
LED
(CR5)
DIMM
4
error
LED
(CR6)
There
is
a
problem
with
the
corresponding
DIMM.
SAS
hard
disk
drive
LED
(CR260
and
CR262)
Reserved
BMC
fault
LED
(CR11)
There
is
a
problem
with
the
BMC.
Microprocessor
1
error
LED
(CR12)
Microprocessor
2
error
LED
(CR13)
There
is
a
problem
with
the
corresponding
microprocessor.
System
board
fault
LED
(CR30)
There
is
a
problem
with
the
system
board.
The
following
illustration
shows
the
light
path
diagnostics
panel
on
the
system
board.
MIS
NMI
SBRD
TEMP
NMI error LED
Microprocessor mismatch error LED
System-board error LED
Over temperature error LED
Light path diagnostics LED
Light path diagnostics switch
18
BladeCenter
HS20
Type
7981:
Installation
and
User’s
Guide
Summary of Contents for BladeCenter HS20
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