[CentOS] ata1 bootup errors

> ata1: port is slow to respond, this delay is known to occur on vacant SATA ports
> ata1: port failed to respond (30 secs)
> ata1: SRST failed (status 0xFF)
> ata1: SRST failed (err_mask=0x100)
> ata1: softreset failed, retrying in 5 secs
> ata1: SRST failed (status 0xFF)
> ata1: SRST failed (err_mask=0x100)
> ata1: softreset failed, retrying in 5 secs
> ata1: SRST failed (status 0xFF)
> ata1: SRST failed (err_mask=0x100)
> ata1: reset failed, giving up

Since I don't have SATA drives, I don't need this to be checked.

How do I turn this off?  Running CentOS 5.0 (just upgraded frm 4.x).
   === Al