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Chapter 1
Introduction of AMD 990X Chipset Motherboards
1-1 Motherboard
Specification
Spec
Description
Design
z
ATX form factor; PCB size: 24.5x30.5cm
Chipset
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AMD 990 X North Bridge Chipset
z
AMD SB 950 South Bridge Chipset
CPU Socket
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AMD AM3+ Socket
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Support AMD AM3+ FX processors and AMD AM3
Phenom™ II processor/Athlon™ II X processor (CPU
power consumption should be under 125W)
z
Support HT 3.0
* for detailed CPU support information please visit our website
Memory Slots
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DDRIII module Slots x 4
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Support 4pcs DDRIII1066/1333/1600/1866 MHz memory
modules expandable to 16GB (DDRIII 1866 MHz is only
supported when using AM3+ processors)
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Support Dual- channel function
Expansion Slots
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2 * PCI-Express 2.0 x16 slot by 8 lane
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2 * PCI-Express 2.0 x1 slot
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1 *32-bit PCI slot
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1 * Mini-PCIE slot
SATA3 Ports
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Supports six SATAIII devices providing 6.0 Gb/sec data
transfer rate and support RAID 0,1,5,10,JBOD
Gigabit LAN Chip
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Integrated Gigabit LAN chip
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Supports Fast Ethernet LAN function provide10Mb/100Mb/
1Gb /s data transfer rate
8-CH HD Audio
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8-channel HD Audio Codec integrated
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Support 8-channel 3D surround & Positioning Audio
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Audio driver and utility included
BIOS
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16MB Flash ROM
Multi I/O
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PS/2 keyboard & mouse port x1
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Coaxial SPDIF_OUT connector x1& Optical SPDIF_OUT
connector x1
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RJ-45 LAN connector x1
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USB 2.0 port x 6 and USB 2.0 headers x 3
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USB 3.0 port x 2
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Audio connector x1 (8-CH Audio)
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Front panel audio header x1
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CDIN header x1
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HDMI-SPDIF header x1
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Serial Port header x1
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Front panel header x1
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Power LED header x1
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Speaker header x 1