Motorola PrPMC800/800ET Processor PMC Module 사용자 설명서
PrPMC800/800ET Processor PMC Module Installation and Use (PrPMC800A/IH5)
2 Operating Instructions
10
Status LEDs and Port Connections
The PrPMC800/800ET’s status indicators (LEDs), Debug Serial port and Ethernet Port adapter
cable are described in the following subsections.
cable are described in the following subsections.
Status Indicators
There are two LED (light-emitting diode) status indicators located on the secondary side of
thePrPMC800/800ET, BDFL and CPU.
thePrPMC800/800ET, BDFL and CPU.
BDFL
The yellow fail LED
is lit when the Harrier Board fail bit (
BDFL)
in the Miscellaneous Control and
Status register is active (software controlled). This LED is illuminated at reset and then turned
off after PPCBug has successfully completed initialization.
off after PPCBug has successfully completed initialization.
CPU
The green CPU LED
i
s lit when the DBB# (Data Bus Busy) signal line on the processor bus is
active (hardware controlled).
STARTUP
INITIALIZATION
MONITOR
BOOTING
POST
Power-up/reset initialization
Initialize devices on the PrPMC800/800ET
Power On Self Test diagnostics
Firmware-configured boot mechanism,
Interactive, command-driven on-line PowerPC
debugger, when terminal connected.
debugger, when terminal connected.
if so configured. Default is no boot.
module/system