Asus Rampage II Extreme - Manual (Page 97)

ROG Rampage II Extreme 3-15
UCLK Frequency [Auto]
Allows you to set the Uncore Clock Ratio (UCLK).
Configuration options: [Auto] [DDR3-1600MHz] [DDR3-2033MHz]
The UCLK Frequency configuration options vary with the DRAM Frequency
item settings.
QPI Frequency [Auto]
Allows you to set the QuickPath Interconnect (QPI) frequency.
Configuration options: [Auto] [4800MHz] [5866MHz] [6400MHz]
DRAM Timing Control
The items in this menu allow you to set the DRAM timing control features.
The configuration options for some of the following items vary depending on the
DIMMs you install on the motherboard.
1st Information: 6-6-6-15-4-36-6-3-16-4 (These values are auto-detected)
DRAM CAS# Latency [Auto]
Configuration options: [Auto] [3 DRAM Clock] – [11 DRAM Clock]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [3 DRAM Clock] – [10 DRAM Clock]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [3 DRAM Clock] – [10 DRAM Clock]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [3 DRAM Clock] – [33 DRAM Clock]
DRAM RAS# to RAS# Delay [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]
DRAM REF Cycle Time [Auto]
Configuration options: [Auto] [30 DRAM Clock] [36 DRAM Clock]
[48 DRAM Clock] [60 DRAM Clock] [72 DRAM Clock] [82 DRAM Clock]
[88 DRAM Clock] [90 DRAM Clock] [100 DRAM Clock] [110 DRAM Clock]
DRAM Frequency [Auto]
Allows you to set the DDR3 operating frequency.
Configuration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz]
[DDR3-1600MHz] [DDR3-1866MHz] [DDR3-2133MHz]
The DRAM Frequency configuration options vary with the BCLK Frequency
item settings.
A very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.