Asus Rampage IV Formula - Manual (Page 86)

3-8 Chapter 3: BIOS setup
Chapter 3
Primary Timings
DRAM CAS# Latency [Auto]
Configuration options: [Auto] [3 DRAM Clock] – [15 DRAM Clock]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [4 DRAM Clock] – [15 DRAM Clock]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [4 DRAM Clock] – [15 DRAM Clock]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [4 DRAM Clock] – [40 DRAM Clock]
DRAM COMMAND Mode [Auto]
Configuration options: [Auto] [1 DRAM Clock] [2 DRAM Clock] [3 DRAM Clock]
Latency Boudary [Nearer]
Configuration options: [Nearer] [Further]
Secondary Timings
DRAM RAS# to RAS# Delay [Auto]
Configuration options: [Auto] [4 DRAM Clock] – [7 DRAM Clock]
DRAM REF Cycle Time [Auto]
Configuration options: [Auto] [48 DRAM Clock] – [511 DRAM Clock]
DRAM WRITE Recovery Time [Auto]
Configuration options: [Auto] [5 DRAM Clock] – [31 DRAM Clock]