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Gigabyte GA-Z77X-UD3H User Manual

Gigabyte GA-Z77X-UD3H
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Appendix - 110 -
5-3 Troubleshooting
5-3-1 Frequently Asked Questions
To read more FAQs for your motherboard, please go to the Support & Downloads\FAQ page on GIGABYTE's
website.
Q: Why is the light of my keyboard/optical mouse still on after the computer shuts down?
A: Some motherboards provide a small amount of standby power after the computer shuts down and that's why the light is still
on.
Q: How do I clear the CMOS values?
A: For motherboards that have a Clear CMOS button, press this button to clear the CMOS values (before doing this, please
turn off the computer and unplug the power cord). For motherboards that have a Clear CMOS jumper, refer to the instruc-
tions in Chapter 1 to short the jumper to clear the CMOS values. If your board doesn't have this jumper/button, refer to the
instructions on the motherboard battery in Chapter 1. You can temporarily remove the battery from the battery holder to stop
supplying power to the CMOS, which will clear the CMOS values after about one minute.
Q: Why do I still get a weak sound even though I have turned my speaker to the maximum volume?
 
Q: Why cannot I install the onboard HD audio driver successfully? (For Windows XP only)
A: Step 1: First, make sure Service Pack 1 or Service Pack 2 has been installed (check in My Computer > Properties > General
> System). If not, please update it from Microsoft's website. Then make sure the Microsoft UAA Bus Driver for High

> System Devices).
Step 2: Check if  or Unknown device is present in Device Manager or Sound,
video, and game controllers. If yes, please disable this device. (If not, skip this step.)
Step 3: Then go back to My Computer > Properties > Hardware > Device Manager > System devices and right-click on
 and select Disable and Uninstall.
Step 4: In Device Manager, right-click on the computer name and select Scan for hardware changes. When the Add New
Hardware Wizard appears, click Cancel. Then install the onboard HD audio driver from the motherboard driver disk
or download the audio driver from GIGABYTE's website to install.
For more details, go to the Support & Downloads\FAQ page on our website and search for "onboard HD audio driver."

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Gigabyte GA-Z77X-UD3H Specifications

General IconGeneral
ECCNo
Non-ECCYes
Memory voltage1.5 V
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots4
Supported memory typesDDR3-SDRAM
Maximum internal memory32 GB
Supported memory clock speeds1066, 1333, 1600 MHz
Supported memory module capacities16GB, 1GB, 2GB, 4GB, 8GB
System bus rate5 GT/s
Processor socketLGA 1155 (Socket H2)
Processor manufacturerIntel
Compatible processor seriesIntel Core i3, Intel Core i5, Intel Core i7
Maximum number of SMP processors1
USB 2.0 connectors3
Number of SATA III connectors2
Number of Parallel ATA connectors0
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity6
Audio chipVIA VT2021
Cooling typePassive
Component forPC
Motherboard chipsetIntel Z77
PC health monitoringCPU, FAN, Temperature
Audio output channels7.1 channels
Motherboard form factorATX
Compatible operating systemsWindows 7/XP
RAID levels0, 1, 5, 10
Supported storage drive interfacesSATA II, SATA III
Cables includedSATA
Graphics cardHD Graphics
OpenGL version3.2
DirectX version11
Maximum graphics card memory1696 MB
Parallel processing technology support2-Way CrossFireX, 2-Way SLI, LucidLogix Virtu
PCI Express slots version2.0, 3.0
PCI Express configurations1x4, 1x8, 1x16
Controller 2nd interface typeMarvell 88SE9172
LAN controller-
Wi-Fi standardsNot supported
Networking features10/100/1000 Mbit/sec
Ethernet interface typeGigabit Ethernet
BIOS typeEFI AMI
ACPI version2.0a
BIOS memory size64 Mbit
Weight and Dimensions IconWeight and Dimensions
Depth244 mm
Width305 mm

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