DragonFly BSD
DragonFly users List (threaded) for 2005-03
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ATA anomaly Question

From: Bill Hacker <wbh@xxxxxxxxxxxxx>
Date: Sat, 19 Mar 2005 23:52:21 +0800

Testing various PATA & SATA controllers under DragonFlyBSD 1.1 STABLE of 15 March:

- Anomalies:

Add-on controllers, SATA:

- booting may report in dmesg: 'DMA limited to UDMA 33, non-ATA66 cable or device'

None of the SATA controllers under test have PATA ports.

Same message can also occur with actual PATA controllers when the cable is a proper UDMA-100,'
and can do so erratically when different 'race' of UDMA-100 drives are on same cables as Master/Slave.

I would expect the MB ACPI to be 'blind' to add-on cards in this respect, and seem to recall
that, at least at one time, the FreeBSD drivers defaulted to the 'safe' lower speed.
PIO3 is showing up most often.

- Promise Fastrak S-150 TX-2 Plus is not detected by DragonFly.

Observations? guidance? advice?


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