Motorola PrPMC800/800ET Processor PMC Module ユーザーズマニュアル

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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.
Status Indicators
There are two LED (light-emitting diode) status indicators located on the secondary side of 
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.
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. 
if so configured. Default is no boot.
module/system