MEN G25A, User Manual

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Functional Description
20G025A00 E3

2017-04-20 Page 35
3.3.3.2 Hot-Swap LED
The hot-swap LED signals the hot-swap status.
Table 4. Hot-swap LED
If the hot-swap switch is closed after system shutdown, the board controller initiates
Power Resume
3.3.3.3 Software Support
Supervision and management functions are accessible by software.
Hot-Swap LED Description
Off The hot-swap switch is closed.
Starts flashing The hot-swap switch is opened while the system is running
(start of hot-swap sequence).
Lights continuously The system has been shut down (end of hot-swap sequence).
The hot-swap switch is open during power-up. The board
controller delays the power-up sequence until the hot-swap
switch is closed.
Stops flashing The hot-swap switch has been closed while the hot-swap
sequence is in progress. The board controller no longer waits
for system shutdown.
Inactive The CPU is plugged into a system slot or is in S0 or S3 state. The
board controller ignores the hot-swap switch.
Please refer to the ACPI Specification for more details on the power states
S0 to S5:
Advanced Configuration and Power Interface Specification Version 6.1
January, 2016
Unified EFI Forum
uefi.org/specifications

See Chapter 2.6.1 Accessing SMBus/I2C Devices on page 24 and Chapter 2.7.1
Accessing Board Management Functions on page 26 for details on using MEN driver
software.

See Chapter 5.4 BMC API (Application Programming Interface) on page 62 for a
detailed documentation of the BMC API.