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Prescott/P4EE compatibility
Motherboard with PCB revision C26680-206 or higher supports the new Prescott or Pentium IV Extreme Edition processors. This code can be found on the motherboard between the processor socket and the first memory slot.
Linux
ASL 2.4.21-1 kernel
or higher is required to support the IDE/SATA controllers. Do not use the base kernel provided in Red Hat 7.3, 8.0 and 9.0. These kernels cannnot enable DMA thus resulting in extremely poor disk performance.
Display Driver
Nvidia GLX driver version 1.0-4349 or higher is required to support 3D acceleration. The built-in VGA driver from XFree86 can only support 2D acceleration.
Note: The latest Nvidia display driver, 1.0-5XXX and 1.0-6106 might cause the machine to lock up when switching from a graphical console (X) to a text console using Ctrl-Alt-F1|F2|F3|F4|F5. The fix for this known bug has not been provided by Nvidia. As a workaround, use an older 1.0-4496 display driver unless the system has a newer GeForceFX card such as FX5700.
USB
USB 2.0 requires the runtime module ehci-hcd found in ASL 2.4.19-1 kernel
or greater. This driver replaces usb-uhci, which is the default USB 1.1 driver.
ASL recommends using the USB 2.0 driver for optimal performance. As shown below,
USB 2.0 provides superior performance over USB 1.1 interface:
Hdparm
Iomega ZIP 750 with 750MB cartridge = 6.08MB/s (USB 2.0 mode)
Iomega ZIP 750 with 750MB cartridge = 977.57KB/s (USB 1.1 mode)
In addition, external CDRW drives featuring high speed USB 2.0 will only burn
successfully using ehci-hcd driver.
Chassis
The chassis (SR209) manual (PDF) can be downloaded at this link.
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