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Chapter 2 Hardware Installation
31
Chapter 2
1
ON
2 3 4
BMC AST2500 Heart Beat LED
Thermal Trip LED
LEDs
Thermal Trip LED will light to indicate that the processor is on an overheating status.
BMC AST2500 Heart Beat LED indicates if the BMC SPI flash is programmed. The hardware
mode includes below blinking modes:
Indicator LED for Non-Type 7 Module Inserted
Indicator LED for Type 7 Module Inserted
Indicator LED for Type 6 Module Inserted
Debug LED
GPI3 LED
GPI2 LED
GPI1 LED
GPO0 LED
GPO1 LED
GPO2 LED
GPO3 LED
GPI0 LED
Inphi Configure Pin-Plug
1
ON
2 3 4
JP8
3
1
GND
CS4227 SCL (1.8V)
CS4227 SDA (1.8V)
0Hz
Always dark means
fi
rmware is not running or dead
0.1Hz
Abnormal mode, some interrupts are not serviced for over 2 seconds.
0.5Hz
Normal operation mode, ARM running on DRAM with interrupt monitor enabled
2Hz
ARM running on DRAM without interrupt enabled (instruction fetch from DRAM)
10Hz
ARM running on Flash (instruction fetch from
fl
ash)