Gigabyte GA-990FXA-UD3 Manual - Page 8
GA-990FXA-UD3 Motherboard Block Diagram
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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 AMD 990FX 2 SATA 6Gb/s 2 USB 3.0/2.0 PCI Express Bus PCIe CLK x1 (100 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 MIC Line Out Line In S/PDIF Out 1 PCI PCI CLK (33 MHz) - 8 -
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GA-990FXA-UD3 Motherboard Block Diagram
AM3+/AM3 CPU
Hyper Transport 3.0
AMD 990FX
CPU CLK+/- (200 MHz)
DDR3 2000(O.C.)/1866/1600/1333/1066 MHz
Dual Channel Memory
AMD SB950
iTE
IT8720
COM Port
LPC
Bus
6 SATA 6Gb/s
Center/Subwoofer Speaker Out
Line Out
MIC
Line In
S/PDIF Out
Side Speaker Out
Surround Speaker Out
CODEC
1 PCI
PCI Bus
PCI CLK
(33 MHz)
VIA
VT6308
2 IEEE 1394a
Dual BIOS
PCIe CLK
(100 MHz)
PCI Express Bus
LAN
RJ45
x1
PS/2 KB/Mouse
Realtek
RTL8111E
14 USB 2.0/1.1
PCI Express Bus
PCIe CLK
(100 MHz)
2 PCI Express x16
x16
x1
Etron
EJ168
2 USB 3.0/2.0
x1
Marvell
88SE9172
2 SATA 6Gb/s
2 PCI Express x4
x4
PCI Express Bus
PCIe CLK
(100 MHz)
x1
Etron
EJ168
2 USB 3.0/2.0
2 PCI Express x1
x1