ichpcib4
Intel ichx/ichx-m lpc bridges
Usage
ichpcib* at pci? isa* at ichpcib?
Overview
The ichpcib driver supports Intel ICH, ICH0, ICH2, ICH2-M, ICH3-S, ICH3-M, ICH4, ICH4-M, ICH5, ICH6, ICH7, ICH7-M, ICH8, ICH8-M, ICH9, 6300ESB and 6321ESB LPC bridges. These devices are mostly usual PCI-ISA bridges but with some additional power management and monitoring capabilities. Besides the core functionality, the ichpcib driver provides support for the Intel SpeedStep technology, available for the ICH2-M, ICH3-M, and ICH4-M chipsets, and power management timer available for all chipsets. It allows the user to control CPU frequency with the sysctl(8) program.
Caveats
On some old machines with the ICH2-M chipset, Intel SpeedStep isn't available.