Coolmax HD-211-COMBO with Prolific PL3507 chipset

From: Andrew Haninger (ahaning_at_gmail.com)
Date: 09/02/04

  • Next message: Richard B. Johnson: "Re: Coolmax HD-211-COMBO with Prolific PL3507 chipset" 
    Date:	Thu, 2 Sep 2004 10:09:26 -0400
To: linux-kernel@vger.kernel.org

    Greetings.

    I recently purchased a USB2+Firewire 2.5" portable harddrive
    enclosure. The enclosure is from Coolmax and is a HD-211-COMBO. The
    chipset is a Firewire and USB2 all-in-one deal called PL3507 from
    Prolific. I've read a bit about this chipset and few people (who are
    talking, at least) seem to have much success with it. I am strongly
    considering returning the enclosure for a refund.

    I have been able to get it to be detected and work on just one machine
    running Linux; an IBM xSeries 206 server running Fedora Core 2 (kernel
    2.6.5). The device is rarely detected, but when it is, it seems to use
    the EHCI driver and it works fine until you unplug it and try to plug
    it back in. This behavior is not only limited to Linux, though. I have
    found just one Windows machine so far that detects it fine even if it
    is unplugged and plugged back in.

    So, while I'm very likely going to make use of Newegg's 30-day
    money-back guarantee, I thought I'd try to help the community out
    however I can. Not everyone has the luxury of being able to return
    their hardware for a refund. So if I can help someone who is
    developing a driver by testing it, I'd like to do that. If anyone has
    any drivers that they are writing that might help to make this device
    work on Linux, I would be happy to be a guinea pig for your project.

    The desktop system I have access to is running kernel 2.4.18, so that
    would likely not be of any help. However, I installed 2.6.8.1 on my
    Gateway Solo 2500 laptop (to no avail), so I can help with that
    kernel. The USB ports on that machine are v1.1 only. I, unfortunately,
    have no systems with USB2 or Firewire that are running Linux.

    Unfortunately, my skills do not permit me to be a driver designer.
    What I can do (and what I'm offering to do) is to test drivers for
    people who need things tested.

    So, if anyone has a need for help testing drivers for the PL3507
    chipset, let me know.

    Thank you.

    -Andy
    ahaning@gmail.com
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  • Next message: Richard B. Johnson: "Re: Coolmax HD-211-COMBO with Prolific PL3507 chipset"

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