IBM System/370 145 Reference Summary page 89

CLOCK COMPARITOR CPU TIMER (CPT)
Optional Feature
SDBI
CM04
CMOS
CMOC
CM1C
Mam Storage
Control Storage
M•cro
Code
CKCTODH
CKCTODL
CKCH
PTL
Microcode (GGCT) •ets and updates cormol storage
registers The assembled current module !cm) •s used
for the registers
CKCTODH and CKCTODL con tams the set Clock
Compamor value
CKCH and CKCL contams the calculated difference
between set dock compantor value and TOD and is
decremented by microcode
SDBO
[
--- -
-- - ----- - ---- - ------ - -- -- ----
------------ -~·~~ ~".'."'. ~·~~ ---------- -_J
0
Comrol Brts
8112
Btt 3
811 5
811 6
PT Last lr'tterval
7.6