Technical data

5-30 PROM Monitor
LSB X O X X O O MSB PLED_NOCLOCK_INITUART (13) - CC clock isn’t running init
uart anyway
LSB O X X X O O MSB PLED_CCINIT2 (14) - Init CC chip config registers
LSB X X X X O O MSB PLED_UARTINIT (15) - Init CC chip UART. Hanging in this test
usually means that the UART clock is bad. Check the connection
to the system controller.
LSB O O O O X O MSB PLED_CCUARTDONE (16) - Finished initializing the CC chip
UART
LSB X O O O X O MSB PLED_CKACHIP (17) - Testing A chip registers
LSB O X O O X O MSB PLED_AINIT (18) - Initializing the A chip
LSB X X O O X O MSB PLED_CKEBUS1 (19) - Checking the EBus with interrupts.
LSB O O X O X O MSB PLED_SCINIT (20) - Init system controller
LSB X O X O X O MSB PLED_BMARB (21) - Arbitrating for a bootmaster
LSB O X X O X O MSB PLED_BMASTER (22) - This processor is the bootmaster
LSB X X X O X O MSB PLED_CCJOIN (23) - Test CC join register
LSB O O O X X O MSB PLED_WG (24) - Test write gatherer register & buffer
LSB X O O X X O MSB PLED_POD (25) - Setting up this CPU slice for POD mode
LSB O X O X X O MSB PLED_PODLOOP (26) - Entering POD loop
LSB X X O X X O MSB PLED_CKPDCACHE1 (27) - Checking the pd cache
LSB O O X X X O MSB PLED_MAKESTACK (28) - Creating a stack in the primary data
cache
LSB X O X X X O MSB PLED_MAIN (29) - Jumping into C code - calling main() -
LSB O X X X X O MSB PLED_LOADPROM (30) - Loading IO4 prom
LSB X X X X X O MSB PLED_CKSCACHE1 (31) - First pass of secondary cache testing -
test the scache like a RAM
LSB O O O O O X MSB PLED_CKBT (32) - Check the bus tags
LSB X O O O O X MSB PLED_INSLAVE (33) - This CPU is entering slave mode
LSB O X O O O X MSB PLED_PROMJUMP (34) - Jumping to the IO prom
LSB X X O O O X MSB PLED_NMIJUMP (35) - Jumping through the NMIVEC
LSB O O X O O X MSB PLED_WRCONFIG (36) - Writing evconfig structure: The master
CPU writes the whole array. The slaves only write their own
entries.
LSB O O O X X X MSB PLED_SCACHE_TAG_ADDR (56)
LED Pattern Displayed
X=Lit
O=Unlit
Description (Constant Value Displayed)
Table 5-7 IP21 Board Test Status LED Codes