Intel BX80605I7870 Data Sheet - Page 76

Mc_channel_0_scheduler_params

Page 76 highlights

Register Description 2.10.24 MC_CHANNEL_0_SCHEDULER_PARAMS MC_CHANNEL_1_SCHEDULER_PARAMS MC_CHANNEL_2_SCHEDULER_PARAMS These are the parameters used to control parameters within the scheduler. Device: 4, 5, 6 Function: 0 Offset: B8h Access as a Dword Bit 12 11 10:6 5 3 2:0 Type RW RW RW RW RW RW Reset Value Description CS_FOR_CKE_TRANSITION. 1 Specifies if chip select is to be asserted when CKE transitions with PowerDown entry/exit and SelfRefresh exit. FLOAT_EN. 0 When set, the address and command lines will float to save power when commands are not being sent out. This setting may not work with RDIMMs. PRECASRDTHRESHOLD. 7 Threshold above which Medium-Low Priority reads can PRE-CAS write requests. DISABLE_ISOC_RBC_RESERVE. 0 When set this bit will prevent any RBC's from being reserved for ISOC. 0 ENABLE2N. Enable 2n Timing. PRIORITYCOUNTER. 0 Upper 3 MSB of 8 bit priority time out counter. 2.10.25 MC_CHANNEL_0_MAINTENANCE_OPS MC_CHANNEL_1_MAINTENANCE_OPS MC_CHANNEL_2_MAINTENANCE_OPS This register enables various maintenance operations such as Refreshes, ZQ, RCOMP, etc.. Device: 4, 5, 6 Function: 0 Offset: BCh Access as a Dword Bit 12:0 Type RW Reset Value Description MAINT_CNTR. 0 Value to be loaded in the maintenance counter. This counter sequences the rate to Refreshes, ZQ, RCOMP. 76 Datasheet

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Register Description
76
Datasheet
2.10.24
MC_CHANNEL_0_SCHEDULER_PARAMS
MC_CHANNEL_1_SCHEDULER_PARAMS
MC_CHANNEL_2_SCHEDULER_PARAMS
These are the parameters used to control parameters within the scheduler.
2.10.25
MC_CHANNEL_0_MAINTENANCE_OPS
MC_CHANNEL_1_MAINTENANCE_OPS
MC_CHANNEL_2_MAINTENANCE_OPS
This register enables various maintenance operations such as Refreshes, ZQ, RCOMP,
etc..
Device:
4, 5, 6
Function: 0
Offset:
B8h
Access as a Dword
Bit
Type
Reset
Value
Description
12
RW
1
CS_FOR_CKE_TRANSITION
.
Specifies if chip select is to be asserted when CKE transitions with PowerDown
entry/exit and SelfRefresh exit.
11
RW
0
FLOAT_EN
.
When set, the address and command lines will float to save power when
commands are not being sent out. This setting may not work with RDIMMs.
10:6
RW
7
PRECASRDTHRESHOLD.
Threshold above which Medium-Low Priority reads can PRE-CAS write requests.
5
RW
0
DISABLE_ISOC_RBC_RESERVE.
When set this bit will prevent any RBC's from being reserved for ISOC.
3
RW
0
ENABLE2N.
Enable 2n Timing.
2:0
RW
0
PRIORITYCOUNTER.
Upper 3 MSB of 8 bit priority time out counter.
Device:
4, 5, 6
Function: 0
Offset:
BCh
Access as a Dword
Bit
Type
Reset
Value
Description
12:0
RW
0
MAINT_CNTR
.
Value to be loaded in the maintenance counter. This counter sequences the rate
to Refreshes, ZQ, RCOMP.