There is a FireWire standard called 1394b which allows transfer speed up to
800Mbps. Is there a CF card reader that can handle this speed, or will any
FireWire CF reader automatically support this transfer rate?

(chuckling...) The bottleneck isn't the 1394 interface itself, it's how the data gets to the processor (eg, PCI bus or hard drive interfaces like ATA133). A lot of these new interfaces like Firewire 800, USB2 (480MB/s) and the upcoming UWB (a wireless version of USB2!) have all kinds of speed, but the ability of current PC technology to keep up isn't there. As it is, a buffer will fill up and firmware will halt the transaction till the PC can handle the data. PCI-X is going to help, but it ain't in widespread use yet...

64bits, 66MHz PCI can transfer 532MB/sec, but I'm not a hardware guy.


-- - Marius

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