Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 89

CM MAINTENANCE REGISTERS
Table 5-3 lists the CM maintenance registers.
TABLE 5-3. CM MAINTENANCE REGISTERS
Direct Mac Number Address Type
Register Read/Write of Bits
(HEX) Code
Status Summary
Read
8 00 E
Element ID Read 32
10 E
Options Installed Read 24 12
E
Environment Control Read/Write 40 20 E
Bounds Read/Write 64 21 E
Corrected Error Log Read/Write 64 AO E
Uncorrected Error Log 1 Read/Write 64 A4
E
Uncorrected Error Log 2 Read/Write 64 AS
E
Free Running Counter Write (Reset) 48
BO E
CM MAINTENANCE REGISTER BIT ASSIGNMENT.
Bit assignments are listed on the following pages in the order they appear in
table 5-3.
Register
Status Summary
*
Element ID
Options Installed
56,57
58-60
61
62
63
32-39
40-47
48-63
0,2,4,10,
13-15, 22-23,
1
3
5
Description
Master oscillator module frequency select
(00
=
normal, 01
=
-23, 10
=
+23)
Not used (zero)
Uncorrected error
Corrected error
Long warning
Element: 01 (hex)
Model: 10 (hex)
Binary-coded-decimal representation of
serial number
Not used (zero)
2
Megabytes (MB) memory installed
4 MB memory installed
64 MB memory installed if bit 12=1
*
Bits are dynamic and cannot be set or cleared directly.
60469500 B
5-13