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Our on-line Knowledge Base contains answers to some of the most common support questions. It has information about all PGR products and was developed to help customers resolve product issues. It is constantly updated, expanded, and refined to ensure that our customers have access to the latest information.

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My camera achieves S800 speed when connected to the S400 port on a 1394b PCI host adapter card.
Article 317: My camera achieves S800 speed when connected to the S400 port on a 1394b PCI host adapter card.
SUMMARY:
This article explains why it may be possible to achieve S800 speed when your 1394b camera is connected to an S400 port on a 1394b PCI host adapter card.
APPLICABLE PRODUCTS :
Grasshopper •  Ladybug2 •  Ladybug3 •  Bumblebee XB3 •  Dragonfly Express (NANC) • 
ANSWER:
In some cases, the 1394a port on a 1394b PCI host adapter card may be improperly configured. As a result, 1394b cameras that are connected to a 1394a port via a 9-pin to 6-pin cable are essentially connected to the 1394b physical layer, making it possible to achieve S800 speeds. However, because the connection has only 6 pins, performance may be unreliable. Point Grey Research does not recommend this configuration for controlling any of our 1394b cameras.
RELATED ARTICLES :
KB Article 146: Differences to consider when selecting an IEEE-1394 PCI / PCMCIA host adapter card.
KB Article 244: Some 1394b network configurations cause bus resets and image acquisition problems.
KB Article 140: Using PGR IEEE-1394a cameras with 1394b Open Host Controller interface cards.

ARTICLE INFO:
Article ID:
 317
Published:
 1/23/2009 10:54:47 AM
Last Modified:
 2/3/2009 8:54:58 AM
Keywords:
 host adapter, S800, S400, 1394b, speed
Issue Type:
 Configuration


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