Silicon Graphics IOC4 chipset ATA/ATAPI support

modulename: sgiioc4.ko

configname: CONFIG_BLK_DEV_SGIIOC4

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support
└─>Silicon Graphics IOC4 chipset ATA/ATAPI support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This driver adds PIO & MultiMode DMA-2 support for the SGI IOC4
chipset, which has one channel and can support two devices.
Please say Y here if you have an Altix System from SGI.

source code: