Intel i7-980X BX80613I7980X User Manual
Product codes
BX80613I7980X
Register Description
92
Datasheet
2.13
Memory Thermal Control
2.13.1
MC_THERMAL_CONTROL0
MC_THERMAL_CONTROL1
MC_THERMAL_CONTROL2
Controls for the Integrated Memory Controller thermal throttle logic for each channel.
2.13.2
MC_THERMAL_STATUS0
MC_THERMAL_STATUS1
MC_THERMAL_STATUS2
Status registers for the thermal throttling logic for each channel.
Device:
4, 5, 6
Function: 3
Offset:
48h
Access as a Dword
Bit
Type
Reset
Value
Description
2
RW
1
APPLY_SAFE.
Enable the application of safe values while
Enable the application of safe values while
MC_THERMAL_PARAMS_B.SAFE_INTERVAL is exceeded.
1:0
RW
0
THROTTLE_MODE. S
elects throttling mode.
00 = Throttle disabled
01 = Open Loop: Throttle when Virtual Temperature is greater than
elects throttling mode.
00 = Throttle disabled
01 = Open Loop: Throttle when Virtual Temperature is greater than
MC_THROTTLE_OFFSET.
10 = Closed Loop: Throttle when MC_CLOSED_LOOP.THROTTLE_NOW is set.
11 = Closed Loop: Throttle when MC_DDR_THERM_COMMAND.THROTTLE is set
11 = Closed Loop: Throttle when MC_DDR_THERM_COMMAND.THROTTLE is set
and the MC_DDR_THERM pin is asserted OR OLTT will be implemented
(Condition 1).
Device:
4, 5, 6
Function: 3
Offset:
4Ch
Access as a Dword
Bit
Type
Reset
Value
Description
29:4
RO
0
CYCLES_THROTTLED.
The number of throttle cycles, in increments of 256 Dclks, triggered in any rank
The number of throttle cycles, in increments of 256 Dclks, triggered in any rank
in the last SAFE_INTERVAL number of ZQs.
3:0
RO
0
RANK_TEMP.
The bit specifies whether the rank is above throttling threshold.
The bit specifies whether the rank is above throttling threshold.