System-Board Leds; System-Board Optional-Device Connectors - Lenovo System x3750 M4 Installation And Service Manual

Table 4. Buttons on the server (continued)
Button name

System-board LEDs

Use this information to locate the system-board LEDs.
The following illustration shows the light-emitting diodes (LEDs) on the system board.
PCIe slot 6
error LED
PCIe slot 7
error LED
PCIe slot 8
error LED
ML adaptor
error LED
RAID cache
card error
LED
System board
error LED
DIMM
error LEDs
Microprocessor 1
LED

System-board optional-device connectors

Use this information to locate the system-board optional device connectors.
The following illustration shows the connectors on the system board for the optional devices.
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Lenovo System x3750 M4 Installation and Service Guide
PCIe slot 5 PCIe slot 4 PCIe riser
error LED error LED card error LED
Microprocessor 2
LED
Function
• You might have to use a pen or the end of a
straightened paper clip to press the button.
Light path
power LED
CMOS
battery
LED