Technical data

CHALLENGE/Onyx Diagnostic Road Map 5-27
LSB O O O O X O MSB PLED_BMASTER (16) - This processor is the bootmaster.
LSB X O O O X O MSB PLED_CKEBUS2 (17) - Running second Ebus test. Run only by
the bootmaster.
LSB O X O O X O MSB PLED_POD (18) - Setting up this CPU slice for POD mode.
LSB X X O O X O MSB PLED_PODLOOP (19) - Entering POD loop.
LSB O O X O X O MSB PLED_CKPDCACHE1 (20) - Checking the primary data
cache.
LSB X O X O X O MSB PLED_MAKESTACK (21) - Creating a stack in the primary
data cache.
LSB O X X O X O MSB PLED_MAIN (22) - Jumping into C code - calling main.
LSB X X X O X O MSB PLED_CKIAID (23) - Checking IA and ID chips on master IO4.
LSB O O O X X O MSB PLED_CKEPC (24) - Checking EPC chip on master IO4.
LSB X O O X X O MSB PLED_IO4INIT (25) - Initializing the IO4 PROM.
LSB O X O X X O MSB PLED_NVRAM (26) - Getting NVRAM variables.
LSB X X O X X O MSB PLED_FINDCONS (27) - Checking the path to the EPC chip,
which contains the console UART.
LSB O O X X X O MSB PLED_CKCONS (28) - Testing the console UART.
LSB X O X X X O MSB PLED_CONSINIT (29) - Setting up the console UART.
LSB O X X X X O MSB PLED_CONFIGCPUS (30) - Configuring out CPUs that are
disabled.
LSB X X X X X O MSB PLED_CKRAWMEM (31) - Checking raw memory (running
Board Internal Self-Test [BIST].
LSB O O O O O X MSB PLED_CONFIGMEM (32) - Configuring memory.
LSB X O O O O X MSB PLED_CKMEM (33) - Checking configured memory.
LSB O X O O O X MSB PLED_WTCONFIG (34) - Writing evconfig structure:
The bootmaster CPU writes the entire array.
The slave CPUs only write their own entries.
LSB X X O O O X MSB PLED_LOADPROM (35) - Loading IO4 PROM.
LSB O O X O O X MSB PLED_CKSCACHE1 (36) - First pass of secondary cache
testing. Tests the scache like a RAM.
LSB X O X O O X MSB PLED_CKPICACHE (37) - Checking the primary instruction
cache.
LSB O X X O O X MSB PLED_BADEAROM (38) - The EAROM associated with the
CPU is corrupt and couldn’t be repaired.
LED Pattern Displayed
X=Lit
O=Unlit
Description
(Constant Value Displayed)
Table 5-5 (continued) IP19 Board Test Status LED Codes