Artesyn COMX-P4080 Installation and Use (August 2014) - Manual (Page 53)

Controls, LEDs, and Connectors
COMX-P4080 COM Express Module Installation and Use (6806800L20C) 53
3.3 On-board LEDs
3.3.1 System Status LEDs
ON,OFF,ON,OFF,ON 16-bit NOR flash as boot location; USB2 and dual 4-pin UARTs
enabled; Platform ratio of 6:1; Core PLL ratio of 10:1
ON,OFF,ON,ON,OFF Three (x2, x2, x4) PCIeX @ 2.5G, 100MHz ref clk, all agent mode; all
cores in boot hold-off; dual 4-pin UARTs enabled; Platform ratio of
6:1; Core PLL ratio of 10:1
ON,OFF,ON,ON,ON Two (x4, x4) SRIO @ 2.5G, 100MHz ref clk, all agent mode; all cores
in boot hold-off; dual 4-pin UARTs enabled; Platform ratio of 6:1;
Core PLL ratio of 10:1
ON,OFF,OFF,X,X Reserved
S2.6 Card on the carrier
ON SD card
OFF (Default) Micro SD card
S2.7 SPI Flash Enable on module
ON SPI flash disable on module
OFF SPI flash enable on module
S2.8
Not used
Table 3-4 S2 Switch Settings (continued)
S2.1~S2.5 RCW Source
Table 3-5 System Status LEDs
LED Status
D17 Thermal issue
D18~D19 Debug LED 1~2
D3 System asleep