Service manual

3-8 AlphaServer DS20 Service Manual
Table 3-4 Cbox Read Register (Continued)
Name Description
If C_STAT equals xxx_MEM_ERR or xxx_BC_ERR, then
C_STAT contains the status of the block as follows; otherwise, the
value of C_STAT is X.
Bit valus Status of block
7 - 4 Reserved
3 Parity
2 Valid
1 Dirty
C_STAT<3:0>
0 Shared
C_ADDR
<6:42>
Address of the last reported ECC or parity error. If C_STAT value
is DSTREAM_DC_ERR, only bits <6:19> are valid.