Mark L. Pederson
REDuser Sponsor
Very easy to extend the PCIe bus. JMR does this. You can extend the PCIe bus so that cards are actually installed into an external chassis.
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Very easy to extend the PCIe bus. JMR does this. You can extend the PCIe bus so that cards are actually installed into an external chassis.
Mark, we work very closely with JMR.
Ahhhh yes. Got it.The space is really not an issue - the available speeds are. You can't extend x16 lane externally and connect two x16 cards to it and expect full 2x x16 performance...
Peter
Has anyone actually worked with extenders?
I´m coming from the music side. We have used extension boxes since the 90ies, but they were often making systems quite unstable.
Jochen
So, Deanan, when can I get this Dual Tylersburg on/in my MacPro?
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B. The RED ROCKET will work in x4, so we can use the (usually free) Slot 3 and everyone is happy. Now x4 slot provides 1000 MB/s (each x1 is 250 MB/s in PCIe architecture), lets see if this could be enough for RED ROCKET...
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RED Rocket.
R3D Decode, debayer and playback high quality REALTIME 4k at 30fps (or 5K at 25fps).
Will accelerate FCP, Premiere, After Effects, RED Alert!, REDCINE, REDrushes or any application using the REDCODE SDK.
PCI-Express, Output interfaces will include Quad-DVI and Quad-HD-SDI. Works with Mac, PC and Linux.
Under $5k.
We are developing number of products based on PCIe extension. We have tested number of products out there, but have opted instead to develop our own.
A good real-world external PCIe example (that many don't know about) is the BlackMagic Design's Multibridge products that are based on external implementation of the PCIe bus.
Extending a PCIe lane for purpose of sharing it between multiple PCIe devices has mixed results and the working solutions for now are extremely expensive and don't (and can't) solve the issue of total throughput limitation.
Peter
Is there existing boards out in the market that have more than 3 16x PCI-E slots?
On the PC side, where it's all about options, things are EASY:
ASUS P6T6 WS Revolution
Six fully functional Gen.2 PCIe x16 slots.... load it up to your heart's content! :thumbsup:
HTH
Paul
You seem to be a couple of years behind the standard here, PCIe 2.0 will give you 500MB/s per lane, full duplex. That is faster than both SATA and CF, so it ought to be able to handle the raw datastream.
Thank you for your posts Peter! If you don't mind, I would love to ask a few questions. I would really appreciate you shedding some light on these.
I suppose today's MoBos with multiple x16 slots a box that retained full x16 speed to deal with double wide cards should be all we need. One slot for RRocket, one for a Kona, possibly one for an internal RAID, and two for overclocked 295's!Or just one 275 clocked to match a 285 if the wife realizes what I am doing.
Does that sound like a good approximation Peter?
And will we need a Kona to output the graded signal to a production monitor? I suppose Red Rocket could output the unprocessed signal... but might it also work as out output card from the NLE/grader?