Gigabyte GA-990FXA-UD7 Manual - Page 8
GA-990FXA-UD7 Motherboard Block Diagram - am3
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GA-990FXA-UD7 Motherboard Block Diagram 4 PCI Express x8 2 PCI Express x16 CPU CLK+/- (200 MHz) 2 PCI Express x4 AM3+/AM3 CPU DDR3 2000(O.C.)/1866/1600/1333/1066 MHz or Dual Channel Memory Hyper Transport 3.0 x8 x16 PCIe CLK (100 MHz) Switch x4 PCI Express Bus x1 x1 Etron Marvell EJ168 88SE9172 AMD 990FX 2 USB 3.0/2.0 2 SATA 6Gb/s PCI Express Bus PCIe CLK (100 MHz) x1 x1 x1 Etron Marvell Realtek EJ168 88SE9172 RTL8111E RJ45 2 USB 3.0/2.0 2 SATA 6Gb/s PCI Bus VIA VT6308 AMD SB950 CODEC 14 USB 2.0/1.1 Dual BIOS 6 SATA 6Gb/s LPC Bus iTE IT8720 2 IEEE 1394a PS/2 KB/Mouse 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-UD7 Motherboard Block Diagram
AM3+/AM3 CPU
Hyper Transport 3.0
AMD 990FX
PCI Express Bus
CPU CLK+/- (200 MHz)
DDR3 2000(O.C.)/1866/1600/1333/1066 MHz
Dual Channel Memory
AMD SB950
iTE
IT8720
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)
2 PCI Express x16
4 PCI Express x8
Switch
or
x8
x16
2 PCI Express x4
x4
PCIe CLK
(100 MHz)
PCI Express Bus
RJ45
PS/2 KB/Mouse
Realtek
RTL8111E
14 USB 2.0/1.1
x1
Marvell
88SE9172
2 SATA 6Gb/s
x1
Etron
EJ168
2 USB 3.0/2.0
x1
x1
Marvell
88SE9172
2 SATA 6Gb/s
x1
Etron
EJ168
2 USB 3.0/2.0