Level 2 Diagnostic Led Panel And System Board Led Locations - IBM eserver xSeries 360 8686 User Reference Manual

2. Turn off the server, disconnect all power cords and external cables, and remove
3. Lift the jumper straight off the pin block.
4. Align the holes in the bottom of the jumper with the center pin and the pin that was
5. Slide the jumper fully onto these pins.
6. Reinstall the top cover, and connect the external cables and power cords (see

Level 2 diagnostic LED panel and system board LED locations

The following illustration shows the location of the LEDs on the level 2 diagnostic
panel, which is attached to the same metal frame as the hot-swap drive backplane.
You can view the diagnostic panel LEDs through a special cutout area on the top
cover, to the right of the cover-release latch. However, to determine the exact source
of the error condition in the server, you might need to remove the top cover to view the
location of a specific error LED on the system board.
The meanings of these LEDs are as follows:
EXP
NMI
Over Temp
PCI
VRM
the top cover (see "Removing the server top cover and bezel" on page 66) before
moving any jumpers.
not covered previously.
"Installing the server top cover and bezel" on page 86).
Over
Temp
EXP NMI
(CR9)
(CR8) (CR7)
See log SP bus Fan
(CR17) (CR4) (CR6)
3 3
2 2
1 1
PCI VRM DASD
(CR19) (CR15)
(CR13)
Mem CPU Non
(CR3) (CR18) Redund
(CR16)
Attached expansion I/O failure
Nonmaskable interrupt
System over temperature condition
PCI failure
VRM failure
3
2
1
Out of
Remind
Spec
PS2 button
(CR14)
(CR11)
(SW1)
PS3 PS1
(CR10) (CR12)
Chapter 5. Installing options
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