User`s manual

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GA-A55-DS3P Motherboard Block Diagram
UMI
AMD A75/A55
PCI Bus
AMD APU
3 PCI
PCI CLK
(33 MHz)
COM Port
iTE
IT8720
LPC
Bus
PS/2 KB/Mouse
Dual BIOS
14 USB 2.0/1.1
6 SATA 3Gb/s
PCI Express Bus
PCI Express Bus
PCIe CLK
(100 MHz)
PCIe CLK
(100 MHz)
1 PCI Express x16
2 PCI Express x1
x16
x1 x1
x4
1 PCI Express x4
x1
LAN
RJ45
Realtek
RTL8111E
APU CLK+/- (100 MHz)
DISP CLK+/- (100 MHz)
DDR3 1866/1600/1333/1066 MHz
Dual Channel Memory
HDMI
Center/Subwoofer Speaker Out
Line Out
MIC
Line In
S/PDIF Out
Side Speaker Out
Surround Speaker Out
CODEC