ASROCK Fatal1ty X99X Killer Series User Manual

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Four Activate Window (tFAW)
e time window in which four activates are allowed the same rank.
CAS Write Latency (tCWL)
Congure CAS Write Latency.
Third Timing
tREFI
Congure refresh cycles at an average periodic interval.
tCKE
Congure the period of time the DDR4 initiates a minimum of one refresh
command internally once it enters Self-Refresh mode.
tCCCD
Congure back to back CAS to CAS (i.e. READ to RAED or WRITE to WRITE)
from same rank separation parameter.
tCCCD_L
Congure back to back CAS to CAS (i.e. READ to RAED or WRITE to WRITE)
from same rank separation parameter.
tCCCD_WR_L
Congure back to back CAS to CAS (i.e. READ to RAED or WRITE to WRITE)
from same rank separation parameter.
tRWSR
Congure READ to WRITE same rank dead cycle Back to back READ to WRITE
from same rank separation parameter.
tRWDD
Congure Read to Write dierent DIMM dead cycle Back to back READ to WRITE
from dierent DIMM separation parameter.
tRWDR
Congure Read to Write dierent rank dead cycle Back to back READ to WRITE
from dierent rank separation parameter.
tWRDD
Congure Write to Read dierent DIMM dead cycle Back to back READ to WRITE
from dierent DIMM separation parameter.

ASROCK Fatal1ty X99X Killer Series Specifications

General

Chipset	Intel X99
CPU Socket	LGA 2011-v3
Max Memory	128GB
Form Factor	ATX
Memory Slots	8 x DIMM
Expansion Slots	3 x PCIe 3.0 x16, 2 x PCIe 2.0 x1
Multi-GPU Support	AMD 3-Way CrossFireX, NVIDIA Quad SLI
Storage Interface	10 x SATA3
USB Ports	4 x USB 3.0 ports (2 on the rear panel, 2 via header), 8 x USB 2.0 ports (4 on the rear panel, 4 via header)
Audio	Realtek ALC1150 Audio Codec
LAN	Killer E2200 Series Gigabit LAN
Memory Support	DDR4 2800(OC)/2400(OC)/2133