Cooling; Figure 1-3 Location Of Serial And Assembly # Labels; Table 1-1 Front Panel Led Description - SMART Embedded Computing MC1600 Installation And Use Manual

System Overview
Table 1-1
LED
SYS
BMC
PWR
PWR OK
See the next figure for the location of the serial and assembly labels for this system.

Figure 1-3 Location of Serial and Assembly # Labels

Serial #
1.3

Cooling

The Extreme Edge Server has seven identical fans on the inlet (right) side of the system.
The BMC monitors all fan tachometer readings, when fans are powered on, and at what
speed the fans run.
The BMC sets the fan speed based on sensor data within the system. For more information
see Section 5.2.2.1.4, Aggregated Temperature Sensors on page
50
Front Panel LED Description
LED
Status
Color
Red/Yellow Customer use (controlled by register 0x11 in Glue CPLD)
Off: BMC not yet actively controlling LED
Red, blinking: BMC is up and initializing
Red, solid: Payload power is off
Red/Green, solid: Payload power is on, but not all CPUs are in S0 state
Red/Green
Red/Green, blinking: CPU2 is in S0 state, but not CPU1 (only for dual-
CPU variants)
Green, blinking: CPU1 is in S0 state, but not CPU2 (only for dual-CPU
variants)
Green, solid: Payload power is on, all CPUs are in S0 state
Green -48V input power is present
Green All payload power rails are active and good
Assy #
MC1600 Extreme Edge Server Installation and Use (6806870A02B)
System Overview
116.