The pxe supported usb to ethernet device chipsets can be determined by looking at the updates and their change logs The BIOS of this laptop has had three revisions A01, A02, A03 (so far 3-31-2014) PXE booting requires using a "started" Ethernet port, sometimes called "initialized" - but generally means "its ready" to provide "service" to the BIOS Secondary GPU device drivers can be obtained after install from their manufacturers websitesĬons to installing Windows 7 on an XPS include, if using the ultra high resolution screen the DPI may need to be scaled to 125 percent to be able to see the tiny pixels, and Windows 8 includes a separate DPI mode for each screen - if sharing a desktop with a second monitor, each can run at a different DPI, this is not the case when using Windows 7 there is only one DPI mode for all screens The notebook is generally the same as the Precision M3800 notebook, except for the secondary GPU and the choice of high resolution display, while the XPS is a "gamers" consumer class machine and has Windows 8 supported device drivers (only) the M3800 is an "enterprise" business class machine and has Windows 7 and Windows 8 supported device drivers available Notebooks generally still come equipped with multiple USB 3.0 ports and at least (one) USB 2.0 port just for such occasions, they are either plainly labeled as USB 3.0 and USB 2.0 or the USB 3.0 ports will have an extra "ss" in tiny letters to distinguish them as "super speed" (aka USB 3.0) capable - the "one" port without the tiny "ss" letters will be the USB 2.0 port
Windows 8 includes native support for USB 3.0 host controllers it is the operating system which will fail to restart the USB 3.0 host controller during install that will disconnect the USB NIC
Windows 7 does not include native support for USB 3.0 host controllers and will fail to install if a USB NIC is connected to a USB 3.0 host controller, even though USB 2.0 devices are generally compatible with USB 3.0 ports. Windows 7 includes native support for USB 2.0 host controllers, and its installer generally includes support for USB 2.0 host controllers, USB NIC drivers for the install and after install Windows 7 environments must be provided by the USB NIC vendors The native installer then needs to restart the USB host controller, followed by the USB NIC - native install time drivers for the installer program must be provided, or the installer will fail to complete installation
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