Technical data

Interrupts and Exceptions, Continued
Table 1–3 (Continued) Interrupt Priority Levels
Priority Level Interrupt Condition SCB Offset
1A Correctable main memory errors 54
Uncorrectable main memory errors 54
Correctable O-bit memory errors 54
Pending read times out waiting for disown
write
54
No acknowledgment on returned read data
from NMC
54
NDAL Data parity errors 54
Pcache tag or data parity errors 54
VIC tag or data parity errors 54
Bcache addressing errors 54
Bcache correctable data ECC errors 54
Bcache uncorrectable data ECC errors 54
Bcache correctable tag ECC errors 54
Bcache uncorrectable data ECC errors 54
Illegal length transaction to memory or I/O
space
54
Reserved command to memory or I/O space 54
CP-Bus parity errors on I/O read transactions 54
CP-Bus ERR_L signal asserted by I/O device
during I/O read transaction
54
CP-Bus NXM/TIMEOUTS errors on I/O reads 54
19:18 Unused
17 IRQ_H[3] asserted Unused
** These conditions generate a hardware halt procedure with a halt code of 2 (external halt).
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