Date: Tue, 5 Aug 1997 23:07:41 -0600 (MDT) From: Atipa <freebsd@atipa.com> To: Howard Lew <hlew@www2.shoppersnet.com> Cc: hackers@freebsd.org Subject: Re: Status of USB, TX chipset, PIIX3, etc. Message-ID: <Pine.BSF.3.91.970805230145.18582A-100000@dot.ishiboo.com> In-Reply-To: <Pine.BSF.3.91.970805220104.11865A-100000@www2.shoppersnet.com>
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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
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