Led Locations - IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual

LED locations

The following illustrations show the LEDs and LED power switch on the processor
board and I/O board. You need to remove the blade server from the BladeCenter
unit, open the cover, and press one of the Light path diagnostics buttons to light
any error LEDs that were lit during blade server operation. These LEDs will remain
lit for a maximum of 25 seconds. See "Light path diagnostics" on page 86 for
detailed information about this feature.
The following illustration shows the LEDs on the processor board.
Light path
diagnostics
LED (green)
(DS9J1)
36
BladeCenter HS40 Type 8839: Hardware Maintenance Manual and Troubleshooting Guide
Microprocessor 1 error LED (DS5H5)
Microprocessor 4 error LED (DS5H2)
Light path diagnostics
button (SW9J1)
DIMM 8
DIMM 7
DIMM 6
DIMM 5
DIMM 4
DIMM 3
DIMM 2
DIMM 1
DIMM 1 error LED (DS6C1)
DIMM 2 error LED (DS6D1)
DIMM 3 error LED (DS6D2)
DIMM 4 error LED (DS6E1)
DIMM 5 error LED (DS6F1)
DIMM 6 error LED (DS6G1)
DIMM 7 error LED (DS6G2)
DIMM 8 error LED (DS6H1)
Microprocessor 2 error LED (DS5H4)
Microprocessor 3 error LED (DS5H1)
Microprocessor mismatch
error LED (DS5H3)
Microprocessor socket 1
Microprocessor socket 2
Microprocessor socket 3
Microprocessor socket 4