| CPU | LGA775 socket for Intel® Core™2 Quad / |
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| Core™2 Extreme / Core™2 Duo / Pentium® Extreme / |
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| Pentium® D / Pentium® 4 / Celeron® D Processors |
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| Compatible with Intel® 05B/05A/06 processors |
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| * Refer to www.asus.com for Intel CPU support list |
| Chipset | Intel® P35 / ICH9R with Intel® Fast Memory Access |
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| Technology |
| System Bus | 1333/1066/800 MHz |
| Memory | |
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| - 4 x |
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| |
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| modules |
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| - Supports up to 8 GB system memory |
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| * The chipset officially supports the memory frequency up |
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| to DDR2 800MHz. Tuned by the ASUS Super Memspeed |
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| Technology, this motherboard natively supports up to |
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| DDR2 1066MHz. |
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| Refer to www.asus.com or this user manual for the |
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| Memory QVL (Qualified Vendors Lists). |
| Expansion Slots | 2 x PCIe x16 slots (support dual graphics solution) |
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| 3 x PCIe x1 (PCIEx1_1 is compatible with the audio slot.) |
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| 2 x PCI 2.2 slots |
| CrossFire™ Technology | Supports AMD CrossFire™ graphics cards (both at x8 |
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| mode) |
| Storage | Southbridge |
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| - 6 x SATA 3.0 Gb/s ports |
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| - Intel® Matrix Storage Technology supports RAID 0, |
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| 1, 5, 10, and JBOD. |
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| JMicron® JMB368 PATA controller |
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| - 1 x UltraDMA 133/100/66 for up to 2 PATA devices |
| LAN | Dual Gigabit LAN controllers, both featuring AI NET 2 |
| High Definition Audio | SupremeFX II Audio Card |
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| - ADI 1988B |
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| - Noise Filter |
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| Coaxial / Optical S/PDIF Out ports at back I/O |
| IEEE 1394 | VIA 6308P 1394a controller supports 2 x IEEE 1394a |
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| ports (one at midboard; one at back panel) |
| USB | 12 x USB 2.0 ports (6 ports at |
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| panel) |
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| (continued on the next page) |
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