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DKA790GX Platinum – MSI Mainboard manual

MS-7550 (v1.X) Mainboard DKA790GX Platinum Series – G52-75501X1

Download MSI DKA790GX user manual in PDF format: DKA790GX-EN


AMD 790GX chipset based

– APS (Active Phase Switching) offers more than 93% power saving
– M-Flash: Easy to flash BIOS with USB stick
– Unlock CPU Core: Unlock hidden CPU core and potential
– DrMOS: Best power efficiency
– Lossless 24bit/192kHz HD Audio


CPU • AMD® Phenom/Athlon/Sempron CPU.
Please refer to CPU Support for compatible CPU; the above description is for reference only.

Hyper Transport Bus

• HyperTransport 3.0 supporting speed up to 5200MT/s
– AM2 CPU supports HyperTransport 1.0/2.0
– AM2+ CPU supports HyperTransport 3.0

• AMD® 790GX and SB750 Chipset

Main Memory

• Supports Dual DDR2 667/800/1066(only for AM2+)
– 4 DDR2 DIMMs (240pin / 1.8V)
– Supports a maximum memory size up to 8GB.


• 1 mazarine PCI Express x16 slot with x16 operation (PCI Express Bus SPEC V2.0 compliant)
• 1 light-blue PCI Express x16 slot with x8 operation (PCI Express Bus SPEC V2.0 compliant)
– When 2 PCI Express x16 slots are all installed, the PCIE x 16 lanes will auto arrange form x16/ x0 to x8/ x8. Do not use the light-blue slot when only one PCI Express x16 card is installed.
• 2 PCI Express x1 slots
• 2 PCI slots, support 3.3V/ 5V PCI bus Interface.


On-Board IDE

• One IDE port by AMD® SB750
– Supports Ultra DMA 66/100/133 mode
– Supports PIO, Bus Master operation mode
– Can connect up to two IDE devices

On-Board SATA

• 5 SATA II (1~5) ports by AMD® SB750
• 1 eSATA port by AMD® SB750
– Supports storage and data transfers at up to 3Gb/s

RAID Function

– SATA II 1~5 support RAID 0, 1, 5, 10 or JBOD mode by AMD® SB750

MSI Reminds You…
• The RAID setup floppy disk is optional depending on the districts. You can download the files from the website to make the setup disk.


• Chipset integrated by Realtek® ALC888
– Flexible 8-channel audio with jack sensing
– Compliant with Azalia 1.0 Spec


• Realtek PCI-E GbLAN controller 8111C
– Integrated Fast Ethernet MAC and PHY in single chip
– Supports 10Mb/s, 100Mb/s and 1000Mb/s
– Compliance with PCI-Express Bus specification v1.0a


IEEE1394 / FireWire

• Chipset integrated by JMicron® JMB381
– Transfer rate is up to 400Mbps

Internal I/O Connectors

– ATX 24-pin power connector
– ATX 4-pin 12V CPU power connector
– CPU x 1 / System x 2 FAN connectors
– CD-in connector
– Front panel audio connector
– Front panel connector
– Chassis intrusion switch connector
– 3 x USB 2.0 connector support additional 6 ports
– 1 x Floppy disk drive connector
– 5 x Serial ATA II connectors
– 1 x ATA133 HD connectors
– Serial port connector
– Clear CMOS button
– Power button
– Reset button
– OC switch
– 1 x Wake on LAN connector
– 1 x TPM module header

MSI Reminds You…
• The floppy disk cable will be optional.

Back Panel I/O Ports

– 1 x PS/2 keyboard or mouse
1 x 6 in 1 audio jack
– 6 x USB 2.0 ports

– 1 x RJ45 LAN jack
– 1 x optical SPDIF-out port
– 1 x eSATA port
– 1 x IEEE1394 Port
– 1 x DVI-D port
– 1 x Graphic Card port
– 1 x HDMI port


• 30.4cm(L) x 24.5cm(W) ATX Form Factor


• 9 mounting holes.

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