1.Fix USB issue. 2.Support 1M L3 cache. Specifications:ProcessorSupport dual Xeon mPGA603/604 processors at 400/533 FSBSystem Bus: 100MHz or 133MHzAutodetects CPU type to set external clock and multuplierSupport Hyper-Threading processorChipsetIntel E7505 Memory Controller Hub (MCH)Intel 82801DB I/O Controller Hub 4 (ICH4)82806 AA 64-bit Bus Master PCI Expander (P64H2)Super IO : W83627HFSystem memoryDual Channel PC2100/PC1600 DDR SDRAM4 DIMMs support up to 8GBSupports Unbuffered memory modulesSupports 128MB/256MB/512MB/1GB/2GB Memory ModuleSupports S4EC-D4ED chipkill technology ECCPeak memory bandwidth of 4.2GB/sGraphics1 x AGP slot support AGP Pro/8XAGP 3.0 specification (1.5V)AudioIntegrated Analog Device AD1981AAC97 2.3 COMPATIBLE FEATURESIntegrated Stereo Headphone AmplifierStereo Full-Duplex CodecSupport S/PDIF outLANIntel Kenai32 (82540EM) Gigabit Ethernet controlleIEEE-1394TI TSB43AB22 IEEE-1394 controller2 x 1394a ports (1 x external port, 1 x internal connector)Fully support IEEE Std 1394a-2000Cable port data rate of 100Mbs, 200Mbs, and 400MbsIt is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.