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Thread: Connect PCMCIA via USB

  1. #1
    Variable Bitrate lastberserker's Avatar
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    Question Connect PCMCIA via USB

    Is there such device? I found a plenty PCIMCIA cards that give USB ports. And I found PCI cards that can read PCMCIA cards. And PCI, USB and PCMCIA devices that read various memory types: CF, MMC/SD, etc... I'm sure it must be possible, right?
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  2. #2
    FLAC
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    Nah, PCMICA is too fast for USB.

  3. #3
    Variable Bitrate lastberserker's Avatar
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    Quote Originally Posted by Zip-Lock
    Nah, PCMICA is too fast for USB.
    And just what crap, pardon my French, is this?

    Quote Originally Posted by http://www.pcmcia.org/faq.htm
    What is the throughput of the PC Card interface?
    Theoretical maximums are as follows:

    CardBus (32 bit burst mode)
    * Byte mode: 33 Mbytes/sec
    * Word mode: 66 Mbytes/sec
    * DWord mode: 132 Mbytes/sec

    16-bit Memory Transfers (100 ns Minimum cycle)
    * Byte mode: 10 Mbytes/sec
    * Word mode: 20 Mbytes/sec

    16-bit I/O Transfers (255 ns Minimum cycle)
    * Byte mode: 3.92 Mbytes/sec
    * Word mode: 7.84 Mbytes/sec

    Please note that actual throughput may be substantially less than the theoretical maximums of the interface.
    Quote Originally Posted by http://www.usb.org/faq/ans2#q1
    Q1: How fast is USB?
    A1: High speed USB products have a design data rate of 480 Mb/s. Full speed USB devices signal at 12Mb/s, while low speed devices use a 1.5Mb/s subchannel.

    Q2: How does this compare to other connections used with PCs and workstations?
    A2: Here's a quick list of the maximum transfer rates for various connections in megabits (Mb) and megabytes (MB) per second:

    serial port: 115kbits/s (.115Mbits/s)
    standard parallel port: 115kBYTES/s (.115MBYTES/s)
    Original USB: 12Mbits/s (1.5MBYTES/s)
    ECP/EPP parallel port: 3MBYTES/s
    IDE: 3.3-16.7MBYTES/s
    SCSI-1: 5MBYTES/s
    SCSI-2 (Fast SCSI, Fast Narrow SCSI): 10MBYTES/s
    Fast Wide SCSI (Wide SCSI): 20MBYTES/s
    Ultra SCSI (SCSI-3, Fast-20, Ultra Narrow): 20MBYTES/s
    UltraIDE: 33MBYTES/s
    Wide Ultra SCSI (Fast Wide 20): 40MBYTES/s
    Ultra2 SCSI: 40MBYTES/s
    IEEE-1394: 100-400Mbits/s (12.5--50MBYTES/s)
    Hi-Speed USB: 480Mbits/s
    Wide Ultra2 SCSI: 80MBYTES/s
    Ultra3 SCSI: 80MBYTES/s
    Wide Ultra3 SCSI: 160MBYTES/s
    FC-AL Fiber Channel: 100-400MBYTES/s

    The fastest connection commonly found on PCs is UltraIDE, which is used for hard drives and CD-ROMs.
    Not to mention that full speed is not only extremely hard to achieve, but also there are no devices that require it to work properly.
    Asus K8S-MX ~ Athlon 64 2800+ ~ Kingmax MPXD42D-2K 1Gb ~ Seagate ST960822A 60Gb ~ PSK-3100 PS/2 kbd ~ MR-350 GPS ~ Hawking HSB1AP ~ Buffalo WLI-USB-G54 ~ 8" Dynamix TS LCD ~ DSATX ~ XCard ~ TVedia ~ some LCD TV ~ Vista ~ MapPoint 2006 ~ iGuidance 2.*

  4. #4
    Variable Bitrate will1384's Avatar
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    Is there such device?
    yes but its hard to find

    The one I saw came with a digital cam
    - it had a pcmcia card that you could
    atach a compactflash to, and the pcmcia
    card pluged into the usb pcmcia card reader

    I think it was kodak

  5. #5
    Constant Bitrate
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    Quote Originally Posted by will1384
    yes but its hard to find

    The one I saw came with a digital cam
    - it had a pcmcia card that you could
    atach a compactflash to, and the pcmcia
    card pluged into the usb pcmcia card reader

    I think it was kodak
    The Alcatel Speedtouch 120 and Oriniocco silver/gold USB clients (which are the same) are in fact a PCMCIA card in a USB->PCMCIA adaptor.

    However, I still haven't tested if other cards work as well, and at which speed.

  6. #6
    MySQL Error Scouse Monkey's Avatar
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    There is a thread on this already. I think there may be 1 or 2 solutions found there eventually - i have seen one.

  7. #7
    MySQL Error Scouse Monkey's Avatar
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    one more thing, as the other thread points out (from memory) the adapters that come with PCMCIA wireless cards DO NOT WORK with anything else - only the wireless card they come with.

  8. #8
    FLAC alti's Avatar
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    Quote Originally Posted by lastberserker
    And just what crap, pardon my French, is this?




    Not to mention that full speed is not only extremely hard to achieve, but also there are no devices that require it to work properly.
    actually, becuase usb transmits bit at a time its speed in MB as listed for the PCMCIA slot is about 60 MB (@ 480 Mb) which is slower then both thease modes
    * Word mode: 66 Mbytes/sec
    * DWord mode: 132 Mbytes/sec
    My Install

    Software:
    CFiG v1
    iGuidance Plugin for CF

    CarShell
    Working shell for a CarPC

    StopWatch
    StopWatch plugin remade for centrafuse RC1

  9. #9
    Variable Bitrate lastberserker's Avatar
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    Quote Originally Posted by Scouse Monkey
    There is a thread on this already. I think there may be 1 or 2 solutions found there eventually - i have seen one.
    I did for "PCMCIA" and "USB" before - got 300+ threads Now I added "reader" to the mix and found this page. Looks like I'd better pay premium for having exotic PCI device than pay for PCMCIA version and exotic PCMCIA-via-USB adapter. Oh well...

    Thanks, folks, you rock!
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  10. #10
    MySQL Error Scouse Monkey's Avatar
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    you can get a PCI PCMCIA adapter. What is the PCMCIA device you want to use?

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