Gigabyte GA-7VT880 User Manual - Page 47

RET to ACT/REF to REFTrfc

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English MB Intelligent Tweaker (M.I.T) Frequency/Voltage Control CMOS Setup Utility-Copyright (C) 1984-2004 Award Software MB Intelligent Tweaker (M.I.T) DRAM Timing x DRAM CAS Latency x Bank Interleave x Precharge to Active (Trp) x Active to Precharge (Tras) x Active to CMD (Trcd) x RET to ACT/REF to REF (Trfc) x ACT(0) to ACT(1) (Trrd) CPU Ratio Control Spread Spectrum Modulated CPU Host Clock Control x CPU Host Frequency (MHz) PCI / AGP Frequency (MHz) DRAM Clock CPU Voltage Control Normal CPU Vcore AGP Voltage Control DDR Voltage Control [Auto By SPD] 2.5 4 Bank 3T 6T 3T 12T 2T [Normal] [Enabled] [Disabled] 133 33/66 [By SPD] [Normal] 1.600V [Auto] [Auto] Item Help Menu Level} higf: Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save ESC: Exit F6: Fail-Safe Defaults F7: Optimized Defaults F1: General Help Incorrect using these features may cause your system broken. For power End-User use only! DRAM Timing Auto By SPD Manual BIOS will automatically setup the DRAM Timing by DRAM SPD data. (Default value) This item allows user to set DRAM Timing Manually. DRAM CAS Latency 1.5/2/2.5/3 Set DRAM CAS Latency time to 1.5/2/2.5/3(Default value:2.5). Bank Interleave This feature allows user to select the DRAM access method. 4Bank /2Bank /Disabled Set DRAM access method to 4Bank/2Bank/Disanled(Default value:4Bank) Precharge to Active(Trp) 2T/3T/4T/5T Set Precharge to Active(Trp) to 2T/3T/4T/5T(Default value:3T) Active to Precharge(Tras) 6T/7T/8T/9T Set Active to Precharge(Tras) to 6T/7T/8T/9T(Default value:6T) Active to CMD(Trcd) 2T/3T/4T/5T Set Active to CMD(Trcd) to 2T/3T/4T/5T(Default value:3T) RET to ACT/REF to REF(Trfc) 12T/13T/14T/15T Set RET to ACT/REF to REF(Trfc) to 12T/13T/14T/15T(Default Value:12T) ACT(0) to ACT(1) (Trrd) This feature allows user to select the ACT(0) to ACT(1) (Trrd), when any DRAM DIMM installed. 2T/3T Set ACT(0) to ACT(1) (Trrd) to 2T/3T(Default Value:2T) CPU Ratio Control This option will not be shown or not be available if you are using a CPU with the locked ratio. 5X~22.5X,Normal It depends on CPU Clock Ratio.(Default Value:Normal) - 43 - BIOS Setup

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BIOS Setup
English
- 43 -
MB Intelligent Tweaker (M.I.T)
DRAM Timing
Auto By SPD
BIOS will automatically setup the DRAM Timing by DRAM SPD data.
(Default value)
Manual
This item allows user to set DRAM Timing Manually.
DRAM CAS Latency
1.5/2/2.5/3
Set DRAM CAS Latency time to 1.5/2/2.5/3(Default value:2.5).
Bank Interleave
This feature allows user to select the DRAM access method.
4Bank /2Bank /Disabled
Set DRAM access method to 4Bank/2Bank/Disanled(Default value:4Bank)
Precharge to Active(Trp)
2T/3T/4T/5T
Set Precharge to Active(Trp) to 2T/3T/4T/5T(Default value:3T)
Active to Precharge(Tras)
6T/7T/8T/9T
Set Active to Precharge(Tras) to 6T/7T/8T/9T(Default value:6T)
Active to CMD(Trcd)
2T/3T/4T/5T
Set Active to CMD(Trcd) to 2T/3T/4T/5T(Default value:3T)
RET to ACT/REF to REF(Trfc)
12T/13T/14T/15T
Set RET to ACT/REF to REF(Trfc) to 12T/13T/14T/15T(Default Value:12T)
ACT(0) to ACT(1) (Trrd)
This feature allows user to select the ACT(0) to ACT(1) (Trrd), when any DRAM DIMM
installed.
2T/3T
Set ACT(0) to ACT(1) (Trrd) to 2T/3T(Default Value:2T)
CPU Ratio Control
This option will not be shown or not be available if you are using a CPU with the locked ratio.
5X~22.5X,Normal
It depends on CPU Clock Ratio.(Default Value:Normal)
CMOS Setup Utility-Copyright (C) 1984-2004 Award Software
MB Intelligent Tweaker (M.I.T)
DRAM Timing
[Auto By SPD]
x
DRAM CAS Latency
2.5
x
Bank Interleave
4 Bank
x
Precharge to Active (Trp)
3T
x
Active to Precharge (Tras)
6T
x
Active to CMD (Trcd)
3T
x
RET to ACT/REF to REF (Trfc)
12T
x
ACT(0) to ACT(1) (Trrd)
2T
CPU Ratio Control
[Normal]
Spread Spectrum Modulated
[Enabled]
CPU Host Clock Control
[Disabled]
x
CPU Host Frequency (MHz)
133
PCI / AGP Frequency (MHz)
33/66
DRAM Clock
[By SPD]
CPU Voltage Control
[Normal]
Normal CPU Vcore
1.600V
AGP Voltage Control
[Auto]
DDR Voltage Control
[Auto]
higf
: 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
}
Incorrect using these features may cause your system broken. For power End-User use only!