Gigabyte GA-990XA-UD3 - Motherboard Block Diagram

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GA-990XA-UD3 Motherboard Block Diagram
AM3+/AM3 CPU
Hyper Transport Bus
AMD 990X
2 PCI
PCI Bus
PCI CLK
(33 MHz)
PCIe CLK
(100 MHz)
PCI Express Bus
CPU CLK+/- (200 MHz)
Dual BIOS
COM Port
LPC
Bus
1 PCI Express x4
DDR3 2000(O.C.)/1866/1600/1333/1066 MHz
6 SATA 6Gb/s
LAN
RJ45
x4
PS/2 KB/Mouse
14 USB 2.0/1.1Ports
iTE
IT8720
Realtek
RTL8111E
x1
2 USB 3.0/2.0
Etron
EJ168
x1
Dual Channel Memory
PCIe CLK
(100 MHz)
1 PCI Express x162 PCI Express x8
Switch
or
x8 x16
x1
2 USB 3.0/2.0
PCI Express Bus
2 PCI Express x1
x1
x1
PCIe CLK
(100 MHz)
Etron
EJ168
VIA VT6308
2 IEEE 1394a
Center/Subwoofer Speaker Out
Line Out
MIC
Line In
S/PDIF Out
Side Speaker Out
Surround Speaker Out
CODEC
AMD SB950
PCI Express Bus
PCIe CLK
(100 MHz)