Features:
AMD 790FX/SB750
4+1 phase integrated MOSFET VRM
Realtek ALC889
2x Realtek RTL8111DL PCIe Gb LAN controller
JMicro JMB322 SATA II RAID 0, 1 port multiplier
VIA VT1315N PCIe Firewire controller
Fintek F71889FG  super I/O controller
RTM880N clock generator
passive cooling of chipsets/VRM
8Mb BIOS, version  1.1, 1.2b4, 1.3b2, 1.3b3, 1.3b5, 1.3b6RC
Mainboard Revision: 1.00




Slots:
4x PCIe 2.0 x16
1x PCIe x1
2x PCI

Memory:
4x Dual-Channel DDR3-slots for PC2-10667U memory up to 8GB

Storage:
5-Port SATA II featuring RAID 0, 1, 5, 0+1, JBOD
1-Port IDE
2-Port SATA II RAID 0, 1, JBOD
1-Port Floppy
1-Port eSATA

Backpanel ports:
1x PS/2 keyboard
1x PS/2 mouse
2x Gb LAN
5x USB 2.0
1x eSATA II
1x Firewire 400
7.1 analog output
1x digital audio optical out
1x digital audio coaxial out





Accessories:
4x SATA cable with clips
1x IDE cable
1x 2-port USB 2.0 bracket
2x HDD-power to SATA-power
1x MSI M-connector package
2x Crossfire Bridges


BIOS features:
Bus Speeds: Auto, 200MHz to 600MHz in 1MHz increments
Memory Ratios: Auto, 667, 800, 1066, 1333, 1600
HT Link Speeds: Auto, x1 to x20 in x1 increments
Adjust PCIe Speed: 100MHz to 150MHz in 1MHz increments
DRAM command rate: Auto, 1T, 2T
DRAM timing control: Auto, manual
CPU Clock Multiplier: Auto, 4x to 32.5x in 0.5x increments
CPU NB Clock Multiplier: Auto, 4x to 20x in 1x increments
CPU Voltage: Auto, 1.100V to 2.000V in 0.01V increments
CPU VDD Voltage: Auto, 1.1000V to 1.5500V in 0.01 increments, depanding  on CPU
CPU PLL Voltage:  various
CPU NB Voltage: Auto, 1.1000V to 1.5500V in 0.01V increments
DRAM Voltage: Auto, 1.50V to 2.00V in 0.05V increments, 2.20V, 2.30V
Northbridge Voltage: Auto, 1.10V to 1.60V in 0.05V increments
HT Link Voltage: Auto, 1.10V to 1.50V in 0.05V increments


Testbed:

Motherboard:
MSI 790GX-GD70 (provided by MSI)
AMD 790GX/SB750
MSI DKA790GX (provided by MSI)
AMD 790GX/SB750
ECS Elitegroup A790GXM-AD3 (provided by Elitegroup)
AMD 790GX/SB750

CPU:
AMD Phenom II 720BE (provided by AMD)
AMD Phenom II 810 (provided by AMD)
AMD Phenom II 940BE (provided by AMD)
AMD Phenom II 955BE (provided by AMD)

CPU-Cooler:
Scythe Andy Kabuto (provided by Scythe-Europe)

Memory:
Kingston 3GB Kit (only 2 used) PC3-16000U KHX16000D3T1K3/3GX (provided by Kingston)
CL7-7-7-20 CR1T at 1.50V or mainboard default

Graphics Card:
MSI R4850-2D1G-OC (provided by MSI)

Power supply:
PC Power & Cooling Silencer 500W (provided by PC Power & Cooling)

Hard disk:
Western Digital WD4000KD (provided by Ditech)

Case fans:
SilenX iXtrema Pro 14dB(A) (provided by PC-Cooling.at)
Scythe DFS122512LS

Case:
Cooler Master Stacker 831 Lite (provided by Cooler Master)

OS:
Because we don't like broken operating systems such as Vista, all tests are performed with XP SP3. While 64-bit software is still not very common, we also stick with the 32-bit version.