ASROCK Fatal1ty X99 Professional Series User Manual

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Fatal1ty X99 Professional Series
RAS to RAS Delay (tRRD_L)
e number of clocks between two rows activated in dierent banks of the same
rank.
Write to Read Delay (tWTR)
e number of clocks between the last valid write operation and the next read
command to the same internal bank.
Write to Read Delay (tWTR_L)
e number of clocks between the last valid write operation and the next read command to
the same internal bank.
Read to Precharge (tRTP)
e number of clocks that are inserted between a read command to a row pre-
charge command to the same rank.
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.

ASROCK Fatal1ty X99 Professional Series Specifications

General

Chipset	Intel X99
CPU Socket	LGA 2011-v3
Memory Slots	8 x DIMM
Maximum Memory	128GB
Memory Type	DDR4
SATA 6Gb/s Ports	10
M.2 Slots	1
Form Factor	ATX
RAID Support	RAID 0, 1, 5, 10
PCI Express x1 Slots	1 x PCIe 2.0 x1
Storage Interface	SATA 6Gb/s
LAN	Dual Gigabit LAN
Audio	Realtek ALC1150
Multi-GPU Support	AMD 3-Way CrossFireX
USB Ports	10 (6 rear, 4 via headers)
Ethernet	Dual Gigabit LAN