Gigabyte GA-780T-D3L Manual - Page 32

CPU FrequencyMHz, PCIE ClockMHz, HT Link Frequency, Set Memory Clock, DCTs Mode, DDR3 Timing Items

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&& 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 specifications. && 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. The adjustable range is dependent on the CPU being installed. `` DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2011 Award Software DRAM Configuration 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 [Unganged] [Auto] SPD Auto -- Auto 9T Auto 9T Auto 9T Auto 24T Auto 5T Auto 90ns Auto -- Auto 10T Auto 5T Auto 33T Auto 4T Auto -6T 6T 6T 15T 4T 90ns -6T 4T 20T 4T Item Help Menu Level  Channel Interleaving Bank Interleaving [Enabled] [Enabled] Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults && 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 - 32 -

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BIOS Setup
- 32 -
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
specifications.
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
. The adjustable range is
dependent on the CPU being installed.
DRAM Configuration
CMOS Setup Utility-Copyright (C) 1984-2011 Award Software
DRAM Configuration
DCTs Mode
[Unganged]
DDR3 Timing Items
[Auto]
SPD
Auto
x
1T/2T Command Timing
Auto
--
--
x
CAS# latency
Auto
9T
6T
x
RAS to CAS R/W Delay
Auto
9T
6T
x
Row Precharge Time
Auto
9T
6T
x
Minimum RAS Active Time
Auto
24T
15T
x
TwTr Command Delay
Auto
5T
4T
x
Trfc0 for DIMM1, DIMM3
Auto
90ns
90ns
x
Trfc1 for DIMM2, DIMM4
Auto
--
--
x
Write Recovery Time
Auto
10T
6T
x
Precharge Time
Auto
5T
4T
x
Row Cycle Time
Auto
33T
20T
x
RAS to RAS Delay
Auto
4T
4T
Channel Interleaving
[Enabled]
Bank Interleaving
[Enabled]
hi
: Move
Enter: Select
+/-/PU/PD: Value
F10: Save
ESC: Exit
F1: General Help
F5: Previous Values
F6: Fail-Safe Defaults
F7: Optimized Defaults
Item Help
Menu Level

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.