939S56-M

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Socket 939 for AMD Athlon™ 64FX / 64X2 / 64 processors
SiS756 chipset
For advanced Socket 939 AMD Athlon™64X2, Athlon 64FX, Athlon 64 processors
FSB 1000 MHz (2.0GT/s), Hyper-Transport Technology, Cool 'n' Quiet Technology
Dual Channel DDR400/333/266 memory, 4 DIMM slots
PCI Express x16 slot for VGA interface
PCI Express x1 slot
Hybrid Booster - ASRock Safe Overclocking Technology
SATA 1.5Gb/s, RAID 0,1,JBOD, SATA HDD Hotplug
7.1 channel Audio, 10/100 Ethernet LAN
ASRock 8CH I/O: 4 ready-to-use USB 2.0 ports, 7.1 channel audio jack

This model may not be sold worldwide. Please contact your local dealer for the availability of this model in your region.

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Product Specifications

General
CPU	- Socket 939 for AMD Athlon™ 64FX / 64X2 / 64 processors - Supports Hyper-Transport Technology - Supports AMD Cool 'n' Quiet Technology
Chipset	- Northbridge: SiS^® 756 - Southbridge: SiS^® 965L
Memory	- Supports Dual Channel DDR400 non-ECC, un-buffered memory - DIMM slots: 4 - Max. capacity of system memory: 4GB* *Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows^® XP. For Windows^® XP 64-bit with 64-bit CPU, there is no such limitation.
BIOS	- 2Mb AMI BIOS with ACPI, SM BIOS 3.0, PnP
Audio, Video and Networking
Graphics	- n/a
Audio	- Realtek ALC850 8channel AC'97 audio codec
LAN	- Realtek RTL8201CL 10/100 Ethernet LAN PHY - 802.3u, WOL supported - Supports PXE
Expansion / Connectivity
Slots	- 1 x PCI Express x16 slot - 1 x PCI Express x1 slot - 2 x PCI slots
Connector	- 2 x SeialATA 1.5Gb/s connectors supports RAID,0,1,JBOD, SATA_HDD Hotplug - 2 x ATA 133/100/66 IDE connectors ( supports 4 x IDE devices) - 1 x Floppy connector - CPU/Chassis FAN connectors - 20 pin ATX power connector - 4 pin ATX 12V power connector - Power/IDE LED connector - CD audio in header - Front panel audio connector - 2 x USB 2.0 port pin header (to support extra 4 USB 2.0 ports) - 1 x Game/MIDI port pin header
Rear Panel I/O	ASRock 8CH I/O - 4 x USB2.0 ports - 1 x RJ45 LAN port - 1 x Serial port (COM1) - 1 x PS2 Keyboard connector - 1 x PS2 Mouse connectors - 1 x Parallel port (LPT1) - 2 x Audio ports ( Line In/Out, Mic In)
Other Features / Miscellaneous
Unique Feature	Hybrid Booster: - CPU Frequency Stepless control - CPU Vcore Adjustment - AGP/PCI frequency control - ASRock U-COP - Boot Failure Guard (B.F.G)
Support CD	- Drivers, Utilities, AntiVirus Software - SATA driver and utility
Accessories	- Quick Installation Guide, Support CD, I/O shield - Floppy/ATA 133 Cables - 1 x SATA Data Cable - 1 x SATA 1-to-1 Power Cable
Hardware Monitor	- CPU Temperature Sensing - Motherboard Temperature Sensing - CPU Fan Tachometer - Chassis Fan Tachometer - Voltage Monitoring: +12V, +5V, +3.3V, Vcore
Form Factor	- Micro ATX, 244mm x 224mm
OS	- Microsoft^® Windows^® 98SE / ME / 2000 / XP / XP 64-bit compliant
Certifications	- FCC, CE, MS WHQL

Caution:
Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS or using the third-party overclocking tools. Overclocking may affect your system stability, or even cause damage to the components and devices of your system. It should be done at your own risk and expense. We are not responsible for possible damage caused by overclocking.

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.