Gigabyte GA-870A-USB3L Manual - Page 8
GA-870A-USB3L Motherboard Block Diagram - amd
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GA-870A-USB3L Motherboard Block Diagram PCIe CLK (100 MHz) CPU CLK+/- (200 MHz) 1 PCI Express x16 AM3+/AM3 CPU DDR3 2000(O.C.)/1333/1066 MHz Dual Channel Memory Hyper Transport 3.0 PCI Express x16 2 USB 3.0/2.0 PCI Express Bus x4 x1 PCIe CLK (100 MHz) 1 PCI Express x1 1 PCI Express x4 LAN PCIe CLK (100 MHz) 1 PCI Express x1 RJ45 Realtek RTL8111E x1 x1 PCI Express Bus PCI Bus Dual BIOS AMD 870 AMD SB850 Etron EJ168 x1 PCI Express Bus 12 USB 2.0/1.1 6 SATA 6Gb/s LPC Bus CODEC iTE IT8720 COM Port PS/2 KB/Mouse Surround Speaker Out Center/Subwoofer Speaker Out Side Speaker Out MIC Line Out Line In S/PDIF In S/PDIF Out 3 PCI PCI CLK (33 MHz) - 8 -
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GA-870A-USB3L Motherboard Block Diagram
Hyper Transport 3.0
AMD 870
CPU CLK+/- (200 MHz)
DDR3 2000(O.C.)/1333/1066 MHz
PCIe CLK
(100 MHz)
1 PCI Express x16
PCI Express x16
Dual Channel Memory
PS/2 KB/Mouse
COM Port
6 SATA 6Gb/s
Center/Subwoofer Speaker Out
Line Out
MIC
Line In
S/PDIF In
S/PDIF Out
Side Speaker Out
Surround Speaker Out
CODEC
3 PCI
PCI Bus
PCI CLK
(33 MHz)
Dual BIOS
12 USB 2.0/1.1
x1
2 USB 3.0/2.0
Etron
EJ168
PCI Express Bus
PCIe CLK
(100 MHz)
PCI Express Bus
1 PCI Express x1
x4
1 PCI Express x4
x1
PCIe CLK
(100 MHz)
PCI Express Bus
1 PCI Express x1
x1
LAN
RJ45
Realtek
RTL8111E
x1
LPC
Bus
iTE
IT8720
AMD SB850
AM3+/AM3 CPU