Gigabyte GA-790XTA-UD4 Manual - Page 42

BIOS Setup

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System Voltage Optimized

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System Voltage Control

Determines whether to manually set the system voltages.

Auto

lets the BIOS automatically set the

system voltages as required.

Manual

allows all voltage control items below to be conﬁgurable. (Default:

Manual)

SATA3 Volt Control

Allows you to set the voltage for the Marvell 9128 chip.

Normal

Supplies the voltage for the Marvell 9128 chip as required. (Default)

+0.1V ~ +0.3V

The adjustable range is from +0.1V to +0.3V.

CPU PLL Voltage Control

Allows you to set the CPU PLL voltage.

Normal

Supplies the CPU PLL voltage as required. (Default)

2.220V ~ 3.100V

The adjustable range is from 2.220V to 3.100V.

Note: Increasing CPU voltage may result in damage to your CPU or reduce the useful life of the CPU.

CHA CKE drive strength

Options are: Auto (default), 1.0x, 1.25x, 1.5x, 2.0x.

CHB ProcOdt

Options are: Auto (default), 240 ohms, 120 ohms, 60 ohms.

CHB DQS drive strength


CHB Data drive strength


CHB MEMCLK drive strength


CHB Add/Cmd drive strength


CHB CS/ODT drive strength


CHB CKE drive strength


Bank Interleaving

Enables or disables memory bank interleaving.

Enabled

allows the system to simultaneously access dif-

ferent banks of the memory to increase memory performance and stability. (Default: Enabled)

Channel interleave

Enables or disables memory channel interleaving.

Enabled

allows the system to simultaneously access

different channels of the memory to increase memory performance and stability. (Default: Enabled)

Section	Page
Box Contents	6
Optional Items	6
GA-790XTA-UD4 Motherboard Layout	7
Block Diagram	8
Chapter 1 Hardware Installation	9
1-1 Installation Precautions	9
1-2 Product Specifications	10
1-3 Installing the CPU and CPU Cooler	13
1-3-1 Installing the CPU	13
1-3-2 Installing the CPU Cooler	15
1-4 Installing the Memory	16
1-4-1 Dual Channel Memory Configuration	16
1-4-2 Installing a Memory	17
1-5 Installing an Expansion Card	18
1-6 Setup of the ATI CrossFireX™ Configuration	19
1-7 Back Panel Connectors	20
1-8 Internal Connectors	22
Chapter 2 BIOS Setup	33
2-1 Startup Screen	34
2-2 The Main Menu	35
2-3 MB Intelligent Tweaker(M.I.T.)	37
2-4 Standard CMOS Features	44
2-5 Advanced BIOS Features	46
2-6 Integrated Peripherals	48
2-7 Power Management Setup	52
2-8 PC Health Status	54
2-9 Load Fail-Safe Defaults	56
2-10 Load Optimized Defaults	56
2-11 Set Supervisor/User Password	57
2-12 Save & Exit Setup	58
2-13 Exit Without Saving	58
Chapter 3 Drivers Installation	59
3-1 Installing Chipset Drivers	59
3-2 Application Software	60
3-3 Technical Manuals	60
3-4 Contact	61
3-5 System	61
3-6 Download Center	62
Chapter 4 Unique Features	63
4-1 Xpress Recovery2	63
4-2 BIOS Update Utilities	66
4-2-1 Updating the BIOS with the Q-Flash Utility	66
4-2-2 Updating the BIOS with the @BIOS Utility	69
4-3 EasyTune 6	70
4-4 Easy Energy Saver	71
4-5 Q-Share	73
4-6 Time Repair	74
Chapter 5 Appendix	75
5-1 Configuring SATA Hard Drive(s)	75
5-1-1 Configuring the Onboard SATA Controller	75
5-1-2 Configuring JMicron JMB362 SATA Controller	81
5-1-3 Configuring Marvell 9128 SATA Controller	87
5-1-4 Making a SATA RAID/AHCI Driver Diskette	92
5-1-5 Installing the SATA RAID/AHCI Driver and Operating System	94
5-2 Configuring Audio Input and Output	105
5-2-1 Configuring 2/4/5.1/7.1-Channel Audio	105
5-2-2 Configuring S/PDIF In/Out	107
5-2-3 Enabling the Dolby Home Theater Function	109
5-2-4 Configuring Microphone Recording	110
5-2-5 Using the Sound Recorder	112
5-3 Troubleshooting	113
5-3-1 Frequently Asked Questions	113
5-3-2 Troubleshooting Procedure	114

Gigabyte GA-790XTA-UD4 Manual - Page 42

CHB Add/Cmd drive strength

Page 42 highlights