Native SATA vs. PATA-emulation - difference?

[Philipp Wuensche]

Patrick M. Hausen wrote:
> 
> The devices are probed by FreeBSD like this:
> 
> server# dmesg | grep ata
> atapci0: <ServerWorks HT1000 SATA150 controller> port 0xc080-0xc087,0xc000-0xc003,0xbc00-0xbc07,0xb880-0xb883,0xb800-0xb80f mem 0xff3fe000-0xff3fffff irq 11 at device 14.0 on pci1
> ata2: <ATA channel 0> on atapci0
> ata3: <ATA channel 1> on atapci0
> atapci1: <ServerWorks HT1000 SATA150 controller> port 0xcc00-0xcc07,0xc880-0xc883,0xc800-0xc807,0xc480-0xc483,0xc400-0xc40f irq 11 at device 14.1 on pci1
> ata4: <ATA channel 0> on atapci1
> ata5: <ATA channel 1> on atapci1
> atapci2: <ServerWorks HT1000 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 2.1 on pci0
> ata0: <ATA channel 0> on atapci2
> ata1: <ATA channel 1> on atapci2
> acd0: CDROM <CD-224E-N/1.AA> at ata0-slave UDMA33
> ad4: DMA limited to UDMA33, device found non-ATA66 cable
> ad4: 157066MB <WDC WD1600YS-01SHB1 20.06C06> at ata2-master UDMA33
> ad6: DMA limited to UDMA33, device found non-ATA66 cable
> ad6: 157066MB <WDC WD1600YS-01SHB1 20.06C06> at ata3-master UDMA33
> ad8: DMA limited to UDMA33, device found non-ATA66 cable
> ad8: 157066MB <WDC WD1600YS-01SHB1 20.06C06> at ata4-master UDMA33
> ad10: DMA limited to UDMA33, device found non-ATA66 cable
> ad10: 157066MB <WDC WD1600YS-01SHB1 20.06C06> at ata5-master UDMA33
> 
> Everything's working fine, besides the messages about DMA limited
> to UDMA33. I figure, they can safely be ignored?

Yes it can be ignored, it just shows the wrong settings. I think its
fixed in STABLE.

greetings,
philipp