Date: Wed, 12 Dec 2001 01:41:40 -0500 From: "Gary T. Corcoran" <garycor@home.com> To: Robert Clark <res03db2@gte.net> Cc: Brett Glass <brett@lariat.org>, hardware@FreeBSD.ORG, " =?iso-8859-1?Q?S=F8ren?= Schmidt" <sos@freebsd.dk> Subject: Re: Where to put the CD on an IDE system? Message-ID: <3C16FC24.3BD0C3F1@home.com> References: <200112120307.UAA07750@lariat.org> <20011211212347.A55653@darkstar.gte.net>
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Robert Clark wrote: > > I've heard that putting a slow CDROM and a faster > HD on the same cable causes that cable to run > at the slower of the two speeds. > > IE PIO/DMA/33/66, etc. This used to be the case, but apparently is NOT a limitation of the IDE interface itself. On my Windows machine, I have the latest/greatest Intel IDE driver for the Intel IDE interface in my chipset. It allows each device to run at the maximum speed of the device, regardless if you mix fast/slow devices on the same cable. So the interesting question is what does the latest/greatest FreeBSD IDE driver do when you mix fast/slow devices on the same cable... ;-) Gary To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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