Bmc Boot/Reset Status Led Indicators; Post Code Diagnostic Leds; Fan Fault Leds; Memory Fault Leds - Penguin Computing Relion 1900e Technical Manual

12.3 BMC Boot/Reset Status LED Indicators

During the BMC boot or BMC reset process, the System Status LED and System ID LED are used to indicate
BMC boot process transitions and states. A BMC boot will occur when AC power is first applied to the
system. A BMC reset will occur after: a BMC FW update, upon receiving a BMC cold reset command, and upon
a BMC watchdog initiated reset. The following table defines the LED states during the BMC Boot/Reset
process.
BMC Boot/Reset State
BMC/Video memory test failed
Both Universal Bootloader (u-Boot)
images bad
BMC in u-Boot
BMC Booting Linux
End of BMC boot/reset process.
Normal system operation

12.4 Post Code Diagnostic LEDs

A bank of eight POST code diagnostic LEDs are located on the back edge of the server next to the stacked
USB connectors. During the system boot process, the BIOS executes a number of platform configuration
processes, each of which is assigned a specific hex POST code number. As each configuration routine is
started, the BIOS displays the given POST code to the POST code diagnostic LEDs. The purpose of these
LEDs is to assist in troubleshooting a system hang condition during the POST process. The diagnostic LEDs
can be used to identify the last POST process to be executed. See Appendix D for a complete description of
how these LEDs are read, and for a list of all supported POST codes

12.5 Fan Fault LEDs

The server board includes a Fan Fault LED next to each of the six system fan. The LED has two states: On and
Off. The BMC lights a fan fault LED if the associated fan-tach sensor has a lower critical threshold event
status asserted. Fan-tach sensors are manual re-arm sensors. Once the lower critical threshold is crossed,
the LED remains lit until the sensor is rearmed. These sensors are rearmed at system DC power-on and
system reset.

12.6 Memory Fault LEDs

The server board includes a Memory Fault LED for each DIMM slot. When the BIOS detects a memory fault
condition, it sends an IPMI OEM command (Set Fault Indication) to the BMC to instruct the BMC to turn on
the associated Memory Slot Fault LED. These LEDs are only active when the system is in the 'on' state. The
BMC will not activate or change the state of the LEDs unless instructed by the BIOS.

12.7 CPU Fault LEDs

The server board includes a CPU fault LED for each CPU socket. The CPU Fault LED is lit if there is an MSID
mismatch error is detected (that is, CPU power rating is incompatible with the board).
111
Relion 1900e/2900e Manual

Table 49. BMC Boot/Reset Status LED Indicators

Chassis Status
ID LED LED Comment
Solid Solid Non-recoverable condition. Contact your Penguin
representative for information on replacing this motherboard.
Blue Amber
Non-recoverable condition. Contact your Penguin
Blink Solid
Blue 6 Hz Amber representative for information on replacing this motherboard.
Blinking green indicates degraded state (no manageability), blinking
Blink
Blink blue indicates u-Boot is running but has not transferred control to
Green
Blue 3 Hz BMC Linux. Server will be in this state 6-8 seconds after BMC reset
1Hz
while it pulls the Linux image into flash.
Solid green with solid blue after an AC cycle/BMC reset, indicates
Solid Solid
that the control has been passed from u-Boot to BMC Linux itself. It
Blue Green
will be in this state for ~10-~20 seconds.
Solid Indicates BMC Linux has booted and manageability functionality is
Off
Green up and running. Fault/Status LEDs operate as per usual.
®
®
Revision 1.3