Instruction manual

Table 40 (Cont.) Dual SCSI Error/Interrupt Matrix
CIR Error/Interrupt Hardware Action Driver Action
28 SCSI[0] DMA read
data
parity error
DMA disabled
~int -> TURBOchannel
Mask DMA error interrupts
for SCSI[0]
Clear interrupt and reenable
DMA
Complete transaction
Reset error interrupts
Retry transaction
29 SCSI[1] DMA read
data
parity error
DMA disabled
~int -> TURBOchannel
Mask DMA error interrupts
for SCSI[1]
Clear interrupt and reenable
DMA
Complete transaction
Reset error interrupts
Retry transaction
30 I/O write data parity
error
TURBOchannel I/O
timeout
~int -> TURBOchannel
Write aborted,
except to DMA buffer
Log and halt system
31 I/O address parity
error
TURBOchannel I/O
timeout
~int -> TURBOchannel
Read/write aborted
Log and halt system
Hardware Exceptions and Interrupts 10–13