Owner`s manual

Figure 4–13: System Identification Register (SID)
3
1
2
4
2
3
1
6
1
5870
MUST BE ZERO
CPU Type
Microcode Options
Microcode Revision
msb−p277−90
Figure 4–14: Backup Cache Index Register (BCIDX)
3
1
1
9
1
8
1
1
1
076 0
MUST BE ZERO MBZ
Backup Tag Store Row Index
(BTS ROW INDEX)
Backup Tag Store Column Index
msb−p281−90
(BTS COL INDEX)
Op
4–12 VAX 6000 Model 500 Mini-Reference