Manual
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Table of Contents Box Contents...6 Optional Items...6 GA-990FXA-UD3 Motherboard Layout 7 GA-990FXA-UD3 Motherboard 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...
Table of Contents Box Contents...6 Optional Items...6 GA-990FXA-UD3 Motherboard Layout 7 GA-990FXA-UD3 Motherboard 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...
Manual
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GA-990FXA-UD3 Motherboard Block Diagram 2 PCI Express x16 2 PCI Express x4 CPU CLK+/- (200 MHz) AM3+/AM3 CPU DDR3 2000(O.C.)/1866/1600/1333/1066 MHz PCIe CLK (100 MHz) Dual Channel Memory Hyper Transport 3.0 PCI Express Bus x16 x4 PCI Express Bus PCIe CLK (100 MHz) x1 Marvell 88SE9172 x1 Etron EJ168... MHz) x1 Realtek RTL8111E x1 Etron EJ168 RJ45 2 PCI Express x1 2 USB 3.0/2.0 PCI Bus LAN VIA VT6308 AMD SB950 CODEC 14 USB 2.0/1.1 Dual BIOS 6 SATA 6Gb/s LPC Bus iTE IT8720 COM Port PS/2 KB/Mouse 2 IEEE 1394a Surround Speaker Out Center/Subwoofer Speaker Out Side Speaker Out...
GA-990FXA-UD3 Motherboard Block Diagram 2 PCI Express x16 2 PCI Express x4 CPU CLK+/- (200 MHz) AM3+/AM3 CPU DDR3 2000(O.C.)/1866/1600/1333/1066 MHz PCIe CLK (100 MHz) Dual Channel Memory Hyper Transport 3.0 PCI Express Bus x16 x4 PCI Express Bus PCIe CLK (100 MHz) x1 Marvell 88SE9172 x1 Etron EJ168... MHz) x1 Realtek RTL8111E x1 Etron EJ168 RJ45 2 PCI Express x1 2 USB 3.0/2.0 PCI Bus LAN VIA VT6308 AMD SB950 CODEC 14 USB 2.0/1.1 Dual BIOS 6 SATA 6Gb/s LPC Bus iTE IT8720 COM Port PS/2 KB/Mouse 2 IEEE 1394a Surround Speaker Out Center/Subwoofer Speaker Out Side Speaker Out...
Manual
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... limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB. Dual channel memory architecture Support for DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules * To support a DDR3 1866 MHz (and above) memory... slot; 1-2 Product Specifications CPU AM3+ Socket: - if you must install an AMD AM3+ CPU first. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Audio Realtek ALC889 codec High Definition Audio ...
... limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB. Dual channel memory architecture Support for DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules * To support a DDR3 1866 MHz (and above) memory... slot; 1-2 Product Specifications CPU AM3+ Socket: - if you must install an AMD AM3+ CPU first. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Audio Realtek ALC889 codec High Definition Audio ...
Manual
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... prevent hardware damage. • Memory modules have a foolproof design. DS/SS DS/SS DDR3_2 DS/SS - A memory module can be used . (Go to GIGABYTE's website for optimum performance. If you install them in Dual Channel mode. 1. Hardware Installation - 16 - The four DDR3 memory sockets are unable to insert the memory, switch the direction...
... prevent hardware damage. • Memory modules have a foolproof design. DS/SS DS/SS DDR3_2 DS/SS - A memory module can be used . (Go to GIGABYTE's website for optimum performance. If you install them in Dual Channel mode. 1. Hardware Installation - 16 - The four DDR3 memory sockets are unable to insert the memory, switch the direction...
Manual
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... RAS to CAS R/W Delay Options are : Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns. Unganged Sets memory control mode to two single-channel. (Default) DDR3 Timing Items Manual allows all DDR3 Timing items below to set memory control mode. TwTr Command Delay Options are : Auto (default), ...memory control mode to those under the four items above are : Auto (default), 4T~12T. CAS# latency Options are synchronous to single dual-channel. CPU Host Clock Control, CPU Frequency (MHz), Set Memory Clock, Memory Clock The settings under the same items on the MB Intelligent ...
... RAS to CAS R/W Delay Options are : Auto (default), 90ns, 110ns, 160ns, 300ns, 350ns. Unganged Sets memory control mode to two single-channel. (Default) DDR3 Timing Items Manual allows all DDR3 Timing items below to set memory control mode. TwTr Command Delay Options are : Auto (default), ...memory control mode to those under the four items above are : Auto (default), 4T~12T. CAS# latency Options are synchronous to single dual-channel. CPU Host Clock Control, CPU Frequency (MHz), Set Memory Clock, Memory Clock The settings under the same items on the MB Intelligent ...