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    More than 60MBps on PCMCIA< is it possible?

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by jassalmithu, Jul 5, 2009.

  1. jassalmithu

    jassalmithu Notebook Guru

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    Look at the following ebay listing
    http://cgi.ebay.com/NEW-Inside-hide-AKE-PCMCIA-to-eSATA-SATA-PCCard-Hub-USB_W0QQitemZ360129895188QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item53d96a1b14&_trksid=p3286.c0.m14&_trkparms=65%3A15|66%3A4|39%3A1|293%3A1|294%3A200

    how could pcmcia could provide this much data thoroughput while what i have read on internet points out that they can't do any more than about 12MBps.

    Could this card really be this fast.
     
    jassalmithu, Jul 5, 2009
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  2. Fragilexx

    Fragilexx Get'cha head in the game

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    Wikipedia states:

    The speed of CardBus interfaces in 32 bit burst mode depends on the transfer type; in byte mode it is 33 MB/s, in Word mode it is 66 MB/s, and in DWord mode it is 132 MB/s

    Don't know if that helps or "muddies the water".
     
    Fragilexx, Jul 5, 2009
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  3. jassalmithu

    jassalmithu Notebook Guru

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    it's 132Mbps not Mbps(mb->mega bits, and MB or mB -> mega bytes)

    so even fastest, pcmcia could do is 132Mbps or in real world, it;s about 16 MBps
     
    jassalmithu, Jul 5, 2009
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  4. Fragilexx

    Fragilexx Get'cha head in the game

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    I really do know the difference between MB & Mb thanks; I was simply posting what I had found.
     
    Fragilexx, Jul 5, 2009
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  5. User Retired 2

    User Retired 2 Notebook Nobel Laureate NBR Reviewer

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    2510P owner benched a Mtron SSD delivering 70MB/s over the same VIA-chipset pcmcia e-sata card here. Thinkpad owner got 83MB/s using a OCZ Core SSD and e-sata Silicon Image "Sil3512" chipset pcmcia as shown here. The mtron can otherwise do ~98MB/s, so there was some speed capping.

    Those claims of 12MB/s are with certain Lenovo models using Ricoh cardbus R5C847 chips. Issue has since been corrected with a new bios version.
     
    User Retired 2, Jul 5, 2009
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