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System x3750 M4 Types 8722 and 8733: Installation and Service Guide
The following illustration shows the LEDs and connectors on the system board.
The following illustration shows the LEDs on the optional microprocessor and
memory expansion tray.
DIMMs
25-30
error LEDs
Microprocessor 3
error LED
Microprocessor
and memory
expansion board
DIMMs
error LED
31-42
error LEDs
System board
error LED
Microprocessor 4
error LED
DIMMs
43-48
error LEDs
Light path
power LED