Intel i7-980X BX80613I7980X User Manual
Product codes
BX80613I7980X
Datasheet
75
Register Description
2.10.23 MC_CHANNEL_0_WAQ_PARAMS
MC_CHANNEL_1_WAQ_PARAMS
MC_CHANNEL_2_WAQ_PARAMS
This register contains parameters that specify settings for the Write Address Queue.
Device:
4, 5, 6
Function: 0
Offset:
B4h
Access as a Dword
Bit
Type
Reset
Value
Description
29:25
RW
6
PRECASWRTHRESHOLD.
Threshold above which Medium-Low Priority reads cannot PRE-CAS write
Threshold above which Medium-Low Priority reads cannot PRE-CAS write
requests.
24:20
RW
31
PARTWRTHRESHOLD.
Threshold used to raise the priority of underfill requests in the scheduler. Set to
Threshold used to raise the priority of underfill requests in the scheduler. Set to
31 to disable.
19:15
RW
31
ISOCEXITTHRESHOLD.
Write Major Mode ISOC Exit Threshold. When the number of writes in the WAQ
Write Major Mode ISOC Exit Threshold. When the number of writes in the WAQ
drops below this threshold, the MC will exit write major mode in the presence of
a read.
14:10
RW
31
ISOCENTRYTHRESHOLD.
Write Major Mode ISOC Entry Threshold. When the number of writes in the
Write Major Mode ISOC Entry Threshold. When the number of writes in the
WAQ exceeds this threshold, the MC will enter write major mode in the
presence of a read.
9:5
RW
22
WMENTRYTHRESHOLD.
Write Major Mode Entry Threshold. When the number of writes in the WAQ
Write Major Mode Entry Threshold. When the number of writes in the WAQ
exceeds this threshold, the MC will enter write major mode.
4:0
RW
22
WMEXITTHRESHOLD.
Write Major Mode Exit Threshold. When the number of writes in the WAQ drop
Write Major Mode Exit Threshold. When the number of writes in the WAQ drop
below this threshold, the MC will exit write major mode.