Date: Wed, 10 Jul 2002 14:10:46 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Darren Pilgrim <dmp@pantherdragon.org> Cc: a clever sheep <freebsd-chat@aard.org>, freebsd-chat@freebsd.org Subject: Re: 2u freebsd box and riser card drivers Message-ID: <3D2CA2D6.E387A2D@mindspring.com> References: <20020710155003.GC500@malkavian.org> <3D2C9C2F.91398132@mindspring.com> <3D2C9E93.A8EBBD81@pantherdragon.org>
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Darren Pilgrim wrote: > > They are just wires and connectors to extend the wires and connectors > > already there. No drivers necessary. > > > > On a related note, I've been looking for a 1U case and riser that can > > handle 2 cards (one right-side-up, the other up-side-down), i.e. the > > cards go on opposite sides of the riser, with their connectors facing > > each other: > > Would the connectors being that close to each other impact signal > timing? Does having adjacent connectors that close together on the motherboard impact signal timing? 8-). If you don't like the idea on that basis, then I could live with right-hand riser to go with a seperately purchased left-hand riser; I can get a left-hand riser anywhere... I think the biggest issue will be that the card will end up facing chip-side-down rather than chip-side-up, as for most cards, so the heat disapation will be towards motherboard components that may also want to be disapating heat into the same small areas there, between-card-and-motherboard. I think you can make the argument, though, that you will have that same problem with any card, even if it's right-side-up, because of it being parallel to the motherboard and the case top. Now to find a motherboard that can handle 1G SIMMs, where the SIMM connector hardware is at a steeper angle than normal so that you can fit 4G in a 1U case... ;^). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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