Intel PIIXn chipsets support

modulename: piix.ko

configname: CONFIG_BLK_DEV_PIIX

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support
└─>Intel PIIXn 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
and also for the Efar Victory66 (slc90e66) chip. This allows
the kernel to change PIO, DMA and UDMA speeds and to configure
the chip to optimum performance.

source code: