Intel PIIX/ICH chipsets support

modulename: piix.ko

configname: CONFIG_BLK_DEV_PIIX

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>PCI support
└─>Intel PIIX/ICH chipsets support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This driver adds explicit support for Intel PIIX and ICH chips.
This allows the kernel to change PIO, DMA and UDMA speeds and to
configure the chip to optimum performance.

source code: