Fujitsu D2952 Technical Manual - Page 30

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LED indicators

3.5
LED indicators
3.5.1

Internal indicators

There are several diagnostic LEDs on the system board, which are not visible
when the housing is closed.
By pressing the CSS button (INDICATE CSS BUTTON, see item 5 in the
following figure), the defective component can also be displayed in the power-
off state (power plug disconnected).
Batt.
Mezzanine Card 1
Mezzanine Card 2
Figure 5: LEDs
LED
1
Mezzanine board 1
2
DIMMs 1A - 3C
3
DIMMs 1D - 3F
4
CPU 2
5
CSS button
6
CPU 1
7
Mezzanine board 2
30
DIMM 1C
DIMM 2C
DIMM 3C
UFM
DIMM 1B
DIMM 2B
DIMM 3B
CPU 1
Indicator
yellow
yellow
yellow
yellow
none
yellow
yellow
Technical Manual
DIMM 1F
DIMM 2F
DIMM 3F
DIMM 1A
DIMM 2A
DIMM 3A
SATA1
SATA0
Meaning
Error on Mezzanine board 1
Faulty memory module
Faulty memory module
CPU faulty
Activates the LEDs in case of an error
CPU faulty
Error on Mezzanine board 2
DIMM 1E
DIMM 2E
DIMM 3E
DIMM 1D
DIMM 2D
DIMM 3D
CPU 2
D2952 (BX924 S2)