IBM QS22 - BladeCenter - 0793, Service Manual

Page: 78 / 158

Table 5. System board LEDs (continued)
LED Color
Board
location Explanation Comments
Light path LEDs
DIMM at I/O BUF 1
error
Yellow DS9 There has been a failure in the I/O
DIMM module.
See Figure 27 on page 59 for the
location of each DIMM and its
associated LED.
Either remove or replace the
faulty DIMM. Note that if you
remove one I/O buffer DIMM
you must remove the other.
Reboot.
DIMM at I/O BUF 2
error
Yellow DS10
System DIMM1 error Yellow DS1 There has been a failure in the
system DIMM module.
See Figure 27 on page 59 for the
location of each DIMM and its
associated LED.
Either remove or replace the
faulty DIMM and reboot. See
“Adding or changing I/O
buffer DDR2 memory
modules” on page 41 for
supported memory
configurations.
System DIMM2 error Yellow DS2
System DIMM3 error Yellow DS3
System DIMM4 error Yellow DS4
System DIMM5 error Yellow DS1
System DIMM6 error Yellow DS6
System DIMM7 error Yellow DS7
System DIMM8 error Yellow DS8
Light box LEDs
60
BladeCenter QS22 Type 0793: Problem Determination and Service Guide