Gigabyte GA-780T-USB3 User Manual page 34

CPU Frequency(MHz)
Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz.
This option is configurable only when CPU Host Clock Control is set to Manual.
Important It is highly recommended that the CPU frequency be set in accordance with the CPU specifi-
cations.
PCIE Clock(MHz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 150 MHz.
Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
HT Link Frequency
Allows you to manually set the frequency for the HT Link between the CPU and chipset.
Auto BIOS will automatically adjust the HT Link Frequency. (Default)
x1~x10 Sets HT Link Frequency to x1~x10 (200 MHz~2.0 GHz).
Set Memory Clock
Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory
clock as required. Manual allows the memory clock control item below to be configurable. (Default: Auto)
Memory Clock
This option is configurable only when Set Memory Clock is set to Manual.
X4.00 Sets Memory Clock to X4.00.
X5.33 Sets Memory Clock to X5.33.
X6.66 Sets Memory Clock to X6.66.
X8.00 Sets Memory Clock to X8.00.
DRAM Configuration
CMOS Setup Utility-Copyright (C) 1984-2011 Award Software
DCTs Mode
DDR3 Timing Items
x 1T/2T Command Timing
x CAS# latency
x RAS to CAS R/W Delay
x Row Precharge Time
x Minimum RAS Active Time
x TwTr Command Delay
x Trfc0 for DIMM1, DIMM3
x Trfc1 for DIMM2, DIMM4
x Write Recovery Time
x Precharge Time
x Row Cycle Time
x RAS to RAS Delay
Channel Interleaving
Bank Interleaving
higf: Move Enter: Select
F5: Previous Values
DCTs Mode
Allows you to set memory control mode.
Ganged Sets memory control mode to single dual-channel.
Unganged Sets memory control mode to two single-channel. (Default)
DDR3 Timing Items
Manual allows all DDR3 Timing items below to be configurable.
Options are: Auto (default), Manual.
BIOS Setup
DRAM Configuration
[Unganged]
[Auto] SPD Auto
Auto -- --
Auto 9T 6T
Auto 9T 6T
Auto 9T 6T
Auto 24T 15T
Auto 5T 4T
Auto 90ns 90ns
Auto -- --
Auto 10T 6T
Auto 5T 4T
Auto 33T 20T
Auto 4T 4T
[Enabled]
[Enabled]
+/-/PU/PD: Value F10: Save
F6: Fail-Safe Defaults
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Item Help
Menu Level 
ESC: Exit F1: General Help
F7: Optimized Defaults