System Board Internal And Expansion Card Connectors - IBM QS21 - BladeCenter - 0792 Service Manual

Temperature fault LED
System board LED
CPU fail LED
NMI error LED
Figure 3. System-board LEDs
Pressing the light path diagnostics switch lights the LED(s) to indicate where an
error has occurred.

System board internal and expansion card connectors

The following illustration shows the location of the connectors for user-installable
options.
Connector at J201
Connector at J22
Connector at JFC_18
Figure 4. Locations of the expansion option connectors on the system board
8
BladeCenter QS21 Type 0792: Problem Determination and Service Guide
LP
TEMP
SBRD
CPU
Light box
NMI
Connector at J200
Error LED (JDIM11)
Error LED (JDIM10)
JDIM11 slot
JDIM10 slot
JDIM01 slot
JDIM00 slot
Error LED (JDIM01)
)
Error LED (JDIM 00
Light path
diagnostics
LED
Light path
diagnostics
switch