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General| Number of memory slots | 4 |
|---|---|
| Maximum internal memory | 4 GB |
| Processor socket | LGA 775 (Socket T) |
| Processor manufacturer | Intel |
| USB 2.0 connectors | 2 |
| I/O ports | 4 x Line-out/ 1 x Line-in/ 1 x MIC |
| Floppy disk drive connector | Yes |
| PS/2 ports quantity | 1 |
| USB 2.0 ports quantity | USB 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. |
| Audio chip | Realtek ALC882 |
| Motherboard form factor | ATX |
Weight and Dimensions| Depth | 220 mm |
|---|---|
| Width | 305 mm |
Visual guide to the physical layout and components of the GA-81945G Pro motherboard.
Visual guide to the physical layout and components of the GA-81945G motherboard.
Schematic representation of the motherboard's internal connections and data flow.
Safety and preparation guidelines for installing hardware to prevent damage.
Overview of the motherboard's key features, including CPU, chipset, memory, and I/O.
Step-by-step instructions for installing the CPU into the socket.
Instructions for mounting the CPU heatsink and fan assembly.
Guide for installing or removing the Cool-Plus (Northbridge cooling fan).
Instructions for installing DDR II memory modules.
Details on configuring dual channel memory for optimal performance.
Steps for installing expansion cards, such as PCI Express x16 cards.
Identification and description of ports on the motherboard's rear I/O panel.
Overview of internal motherboard connectors and their pin assignments.
Describes the main menu of the BIOS setup utility and its options.
Configuration of basic system settings like date, time, and IDE devices.
Settings for boot priority, CPU features, and password protection.
Configuration options for onboard devices like IDE, SATA, USB, and LAN.
Settings to manage system power states, wake-up events, and power-on options.
Settings for Plug and Play and PCI IRQ assignments.
Monitoring system voltages, temperatures, and fan speeds.
Advanced settings for CPU clock, voltage, and memory performance tuning.
Option to choose the display language for the BIOS setup utility.
Restores BIOS settings to safe, minimum performance defaults.
Restores BIOS settings to factory defaults for optimal performance.
Configure BIOS access passwords for system security.
Saves current BIOS settings and exits the setup utility.
Exits the BIOS setup utility without saving any changes.
Guide for installing essential chipset drivers using the driver CD.
Information on optional Gigabyte utilities and bundled software for installation.
Details the contents and structure of the motherboard driver CD.
Lists all detected hardware components supported by the motherboard.
Provides contact information for Gigabyte support and offices worldwide.
Explains Gigabyte's proprietary software utilities for system enhancement.
Overview of EasyTune 5, a utility for system performance enhancement.
Guide to Xpress Recovery2 for quick data backup and restoration.
Instructions on updating the BIOS using Dual BIOS and Q-Flash utilities.
Explains RAID levels and configuration using the Serial ATA BIOS utility.
Guide to setting up multi-channel audio features and connecting speakers.
Common issues and solutions for motherboard problems, including beep codes.
