I'm getting a rather nasty set of messages from dmesg when trying to use
a couple SATA II WD 2TB Green drives with an older system (via 8237 based).
They seem to work fine on a newer p35 based system.
[ 283.308963] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[ 283.309007] ata2.00: BMDMA stat 0x4
[ 283.309045] ata2.00: failed command: READ DMA
[ 283.309089] ata2.00: cmd c8/00:08:08:08:30/00:00:00:00:00/e0 tag 0 dma 4096 in
[ 283.309091] res 41/04:00:08:08:30/00:00:00:00:00/e0 Emask 0x1 (device error)
[ 283.309171] ata2.00: status: { DRDY ERR }
[ 283.309207] ata2.00: error: { ABRT }
[ 283.324886] ata2.00: configured for UDMA/133
[ 283.324904] ata2: EH complete