Instruction manual

Table 36 lists the available detection of data transfers within the system.
Table 36 Data Transfer Error Coverage
Transfer Source Destination Notes
Address CPU Bcache/BCtl No detection
Data Bcache CPU ECC checked
Bcache Tags Bcache CPU Parity checked
Data Memory CPU ECC checked
Read Address BCtl Memory/TC No detection
Victim Address BCtl Memory No detection
Data CPU TC ECC checked
Data TC CPU ECC checked
DMA Address TC Memory No detection
Bcache Tags on
DMA
Bcache Bctl Parity checked
DMA Read Data Memory
/Bcache
TC ECC checked
DMA Write Data TC Memory/Bcache ECC stored, not checked
Address/Data TC Options with
parity
Parity checked
Address/Data Option
with
parity
TC Parity checked
Address/Data TC CXT/IOCTL No detection
Address/Data CXT
/IOCTL
TC No detection
Address/Data TCDS TC Parity checked
Address/Data TC TCDS Parity checked
All transfers Video
RAMS
CXT/RAMDAC No detection
All transfers CXT
/RAMDAC
Video RAMS No detection
All transfers IOCTL Devices No detection
All transfers Devices IOCTL No detection
All transfers TCDS SCSI Parity checked
All transfers SCSI TCDS Parity checked
Address SG Map TC Parity checked
DMA Buffer Data Buffers TCDS Parity checked
Hardware Exceptions and Interrupts 10–3