Comment 50 for bug 116996

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mongo (mongio) wrote : Re: SATA disk is in PATA mode with kernel 2.6.20-16-generic (piix claiming SATA controller on ICH4/ICH5 boards)

Sitsofe Wheeler:

Asus MB P4P800-X with chipset Intel 865PE, Intel ICH5

Disabling SATA at bios level and running ubuntu from PATA HD makes 2.6.20-16-generic working as good as 2.6.20-15-generic, it boot smooth without irqpoll option and has no performance losses.