4.2. x86 Architectures

All PCI-X configuration registers (up to 4096 bytes) are now accessible.

The maximum length of the kernel command line is now 2,048 bytes. To use this increased maximum length, upgrade the grub package.

The following chipsets are now supported through the EDAC driver:

The Intel Tolapai chipset (SATA, I2C) is now supported.

The Sony/Philips Digital Interconnect Format (S/PDIF) port on the Dell D/Dock Expansion Station is now supported by the Dell M4300 and M6300 Precision Workstations. This allows digital audio output through the S/PDIF port on the Dell D/Dock Expansion Station when either the M4300 or M6300 is docked.