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To: Howard Lew <hlew@www2.shoppersnet.com>
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Subject: Re: Status of USB, TX chipset, PIIX3, etc.
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> > > > Intel 430TX Chipset / PIIX3 Controller
> > > > 	built-in UltraDMA IDE (33MByte/sec)
> > > > 	support for SDRAM
> > > > 	built-in USB
> > > 
> > > All of these either require no support, are already supported, or have been
> > > discussed above.
> > 
> > I do not believe UltraDMA is supported. The PIIX3 is quite a bit 
> > different than the PIIX2, with the RTC and USB built in. 
> > 
> 
> UltraDMA is starting to get support.  New drives by Quantum are now 
> starting to have Ultra DMA/33.
> 
The drives are out, but the driver is not yet supported under FreeBSD (to 
the best of my knowlegde). IBM also has UDMA drives shipping.

I know the standard PIIX2 bus-master drivers (Win95, Linux) will not cut it.
They still use only DMA-2 (about 20MB/sec). The default IDE driver will 
certainly work, but it will not take full advantage of the interface.

Kevin