Manual
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... Layout KB_MS_USB OPTICAL CPU_FAN ATX_12V USB_1394 R_USB Socket AM3+ PWR_FAN R_USB30 USB_LAN Etron EJ168 ATX AUDIO PCIEX1_1(Note) AMD 990X DDR3_4 DDR3_2 DDR3_3 DDR3_1 Realtek RTL8111E CODEC PCIEX16 PCIEX1_2 PCI1 GA-990XA-UD3 VIA PCIEX8 VT6308 PCI2 iTE IT8720 PCIEX4 F_AUDIO BAT SATA3_4 SATA3_5 AMD SB950 SATA3_2 SATA3_3 SATA3_0 SATA3_1 B_BIOS M_BIOS SYS_FAN2 Etron...
... Layout KB_MS_USB OPTICAL CPU_FAN ATX_12V USB_1394 R_USB Socket AM3+ PWR_FAN R_USB30 USB_LAN Etron EJ168 ATX AUDIO PCIEX1_1(Note) AMD 990X DDR3_4 DDR3_2 DDR3_3 DDR3_1 Realtek RTL8111E CODEC PCIEX16 PCIEX1_2 PCI1 GA-990XA-UD3 VIA PCIEX8 VT6308 PCI2 iTE IT8720 PCIEX4 F_AUDIO BAT SATA3_4 SATA3_5 AMD SB950 SATA3_2 SATA3_3 SATA3_0 SATA3_1 B_BIOS M_BIOS SYS_FAN2 Etron...
Manual
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GA-990XA-UD3 Motherboard Block Diagram 2 PCI Express x8 1 PCI Express x16 CPU CLK+/- (200 MHz) AM3+/AM3 CPU DDR3 2000(O.C.)/1866/1600/1333/1066 MHz or Dual ... LAN 2 USB 3.0/2.0 PCI Express Bus PCIe CLK (100 MHz) x4 1 PCI Express x4 PCI Bus VIA VT6308 Hyper Transport Bus 2 PCI Express x1 2 USB 3.0/2.0 AMD 990X Etron EJ168 PCIe CLK x1 x1 x1 (100 MHz) PCI Express Bus 14 USB 2.0/1.1Ports AMD SB950 6 SATA 6Gb/s Dual BIOS CODEC LPC Bus iTE...
GA-990XA-UD3 Motherboard Block Diagram 2 PCI Express x8 1 PCI Express x16 CPU CLK+/- (200 MHz) AM3+/AM3 CPU DDR3 2000(O.C.)/1866/1600/1333/1066 MHz or Dual ... LAN 2 USB 3.0/2.0 PCI Express Bus PCIe CLK (100 MHz) x4 1 PCI Express x4 PCI Bus VIA VT6308 Hyper Transport Bus 2 PCI Express x1 2 USB 3.0/2.0 AMD 990X Etron EJ168 PCIe CLK x1 x1 x1 (100 MHz) PCI Express Bus 14 USB 2.0/1.1Ports AMD SB950 6 SATA 6Gb/s Dual BIOS CODEC LPC Bus iTE...
Manual
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.... AMD AM3 Phenom™ II processors/ AMD Athlon™ II processors (Go to GIGABYTE's website for the latest CPU support list.) Hyper Transport Bus 5200 MT/s Chipset North Bridge: AMD 990X South Bridge: AMD SB950 Memory 4 x 1.5V DDR3.../1333/1066 MHz memory modules * To support a DDR3 1866 MHz (and above) memory, you must install an AM3+ CPU first. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Audio Realtek ALC889 codec High Definition Audio ...
.... AMD AM3 Phenom™ II processors/ AMD Athlon™ II processors (Go to GIGABYTE's website for the latest CPU support list.) Hyper Transport Bus 5200 MT/s Chipset North Bridge: AMD 990X South Bridge: AMD SB950 Memory 4 x 1.5V DDR3.../1333/1066 MHz memory modules * To support a DDR3 1866 MHz (and above) memory, you must install an AM3+ CPU first. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Audio Realtek ALC889 codec High Definition Audio ...