Allied Vision Technologies Pike Bedienerhandbuch Seite 27

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FireWire
PIKE Technical Manual V4.0.0
27
1394b bandwidths
According to the 1394b specification on isochronous transfer, the largest
data payload size of 8192 bytes per 125 µs cycle is possible with a bandwidth
of 800 Mbit/s.
For further details read Chapter How does bandwidth affect the frame rate?
on page 241.
Requirements for PC and 1394b
One PIKE camera connected to a PC’s 1394b bus saturates the standard PCI
bus.
1394b also requires low latency for data transmission (due to small receive-
FIFO). In order to get the most out of your camera-to-PC configuration, we
recommend the following chipsets for your PC:
For Intel-based desktops, chipset 945 (or higher)
For non-Intel based desktops (e.g. AMD), PCI Express compatible
chipset
For multi-camera applications one of the following bus cards is needed:
PCI ExpressCard with potential 250 MByte/s per lane (up to four sup-
ported by chipset) or
64-bit PCI-X card (160 MByte/s)
www
Ý
For more information:
http://support.intel.com/support/chipsets/#desktop
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