How To Tweek Drivers?


  1.    24 Oct 2007 #1
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    How To Tweek Drivers?


    I have an Acer Aspire 5102WLMi Notebook and I am having trouble with the SD Card Reader drivers. I am currently working on this problem with Microsoft and it appears the problem is either with Vista x64 or with the drivers themselves. If MS discovers they're at fault, I won't have to do anything else. If MS discovers the drivers are at fault, then I'll actually have to tweek them or find someone who can. What I'd like to know is how to go about doing this myself. I believe I have all the necessary SW Tools. I have the .CAB SDK, Windows Visual Studio Express Edition, Vista WDK and WINPE 2.

    My drivers contain a .INF file, a .SYS file, and a .CAB file. What are the relationships between this files? Is the .INF file compiled into a .SYS file, or are these created separately. Also what parts of the OS communicate with each of these components. Will I have to tweek all three of these components or just one or two?

    Can anyone point me in the right direction?



    Thanks, John
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  2.    24 Oct 2007 #2
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    Re: How To Tweek Drivers?


    Do you have software development experience? Or, more importantly, driver development experience? You are missing the most important piece of the pie -- the source code for the driver.

    Also, before we discuss options for "tweaking" you need to understand very clearly what is causing the problem. Please tell us more about what type of trouble you're having. And can you include some detail about the driver itself, like a link to where you are downloading from? Additionally, detailed information about your card reader would be helpful. Is the driver a Vista driver or is it an older version?

    If the driver is having trouble installing because of a simple installer misconfiguration (doubtful) you could fix that. However, unless you have the source code and a lot of experience, it's likely that you're not going to be able to modify it effectively.

    Rob Redbeard
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  3.    25 Oct 2007 #3
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    Re: How To Tweek Drivers?


    you could try installing different card reader drivers, there are a couple listed on my site:

    64bitdrivers.com:: Laptop generic card reader for X64
    64bitdrivers.com:: Ricoh internal card readers for Vista x64
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  4.    25 Oct 2007 #4
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    Re: How To Tweek Drivers?


    Choogster,

    Thanks for the links. I've downloaded both driver sets and I'll give them a try. I hope they have SDHC support. BTW your site looks like a valuable resource. Thanks for sharing it with me.

    Rob,

    I have some software development experience, none of it recent. Back durring the late 80's I wrote some 8086, Z80 & 68000 assembly language code and also, some 'C.' And, no I don't have the source code for the drivers. I didn't know I needed it; but I do now! Thanks for the info. I have a 32 & 64 bit disassembly tool called ASM. I can probably disassemble, the .SYS file I'm assuming, into assembly language. Since I'm not familiar with AMD TL50 assembly language, I would need to obtain a programmers reference guide for this chip.

    I have the ENE CB 712/714/810 "5-in-1" Memory Card Reader, which supports SD/MMC, MS/MS Pro and xD memory cards. The Driver components are as follows:

    *ENE CB 712/714/810 Cardbus Controller.
    **(Controlls both the PCMCIA Bus & the Card Reader Bus)**
    *SD / MMC Memory Card Reader.
    *MS / MS Pro Memory Card Reader.
    *xD Memory Card Reader

    Here's the link where I'm downloading the driver from:

    ftp://ftp.support.acer-euro.com/notebook/vista_64bit/

    The file is "CardReader_ENE_v3.00.04.zip."

    I located this in the "Travelmate 6292" folder. This is not my system; but the card reader appeared to be the same. The installer completed successfully and Device Manager reports that all components are working properly.

    My system imnformation is listed below:

    Acer Aspire 5102WLMi w/o Bluetooth, Orbicam, or TV Tuner
    Model No: BL51
    AS5102WLMI-MCEEN-TL50/15.4
    ACB/512M/100G US
    S/N: LXABH0J0116380F0B41601

    **I recently upgraded to 4GB Ram & 160 GB HDD, as well as the OS, thereby voiding my warranty.

    I'm was directed to the FTP site above, by a celebrated power user, because the AcerPanAm site only has drivers avaiavable for this card reader in Vista x32 & XP x64 versions. There was NOT a Vista x64 version available. Acer doesn't want to support OS upgrades for this model; but does so begrudgingly in a very piecemeal way.

    I am currently working with Microsoft on the issue and Vivian @ MS states the affected OS files are "ntoskernel.exe" & "ntfs.exe." She recently escalated my ticket to a more senior support engineer. I don't expect to hear from the engineer until sometime next week. BTW, we've already troubleshot in "Clean Boot" & "Device Clean Boot Mode" and have determined that the problem is either with the drivers or with the OS itself.


    Thanks, John
    Last edited by coljohnhannibalsmith; 25 Oct 2007 at 12:32.
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  5.    25 Oct 2007 #5
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    Re: How To Tweek Drivers?


    Choogster,

    I've unpacked the Generic Card Reader Drivers and this is exactly what I already have, that I downloaded from the European Acer FTP site. The only difference is that the XP & XP x64 components are not included. The relase notes are exactly the same. I haven't opened the Ricoh driver set yet, though.

    Here's an interesting bit from the release notes:

    ===== Release note =====
    Version : 1.04.00
    Date : 2004-07-28
    1. Add feature --- Support 714B MMC driver.
    a. Use 714B MMC driver -- Setup.ini, Section [Chip]
    ChipVersion = 1
    a. Use 714A SD/MMC driver -- Setup.ini, Section [Chip]
    ChipVersion = 0

    I checked Setup.ini and neither of these lines are included. I'm wondering if this configuration happens automatically or if there's a piece of code that sets this somewhere, like the Regsitry perhaps. Perhaps the wrong driver is getting loaded, because this variable is getting set to '1' instead of '0?'


    Quote Originally Posted by Choogster View Post
    you could try installing different card reader drivers, there are a couple listed on my site:

    64bitdrivers.com:: Laptop generic card reader for X64
    64bitdrivers.com:: Ricoh internal card readers for Vista x64
      My System SpecsSystem Spec

  6.    25 Oct 2007 #6
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    Re: How To Tweek Drivers?


    Quote Originally Posted by coljohnhannibalsmith View Post
    Choogster,

    I located this in the "Travelmate 6292" folder. This is not my system; but the card reader appeared to be the same. The installer completed successfully and Device Manager reports that all components are working properly.
    Is it possible that because you're using drivers for the Travelmate 6292 when that is not your system that that is the root of the problem?

    Despite the similarities, you can't exactly use BMW parts in a Volkwagon, can you?

    I suggest looking for the drivers that have been designed for your system. That'll make all your problems go away. Ok, not all of them, but at least those related to your card reader.
      My System SpecsSystem Spec

  7.    25 Oct 2007 #7
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    Re: How To Tweek Drivers?


    I hear you. I used the Acer TravelMate drivers on the theory that since the card readers were the same, the drivers would be also. You can sometimes use Porche parts in a Volkswagen, or at least you used to be able to. Anyway Choogster directed me to a Generic Driver Set for this card; but I've unpacked it and the files and the release notes are identical down to the datestamp. There may still be some subtle differences I'm unable to detect, so I'll probably give these a try.


    Thanks, John
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  8.    26 Oct 2007 #8
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    Re: How To Tweek Drivers?


    Quote Originally Posted by dzomlija View Post
    Is it possible that because you're using drivers for the Travelmate 6292 when that is not your system that that is the root of the problem?

    Despite the similarities, you can't exactly use BMW parts in a Volkwagon, can you?

    I suggest looking for the drivers that have been designed for your system. That'll make all your problems go away. Ok, not all of them, but at least those related to your card reader.
    As the maker of the laptop in question is the same (Acer) I hardly think the card reader will be made by a different manufacturer. If you had actually looked on the website, you would have seen that the file names are exactly the same for many of the drivers listed for different laptops.
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  9.    26 Oct 2007 #9
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    Re: How To Tweek Drivers?


    Quote Originally Posted by Choogster View Post
    As the maker of the laptop in question is the same (Acer) I hardly think the card reader will be made by a different manufacturer. If you had actually looked on the website, you would have seen that the file names are exactly the same for many of the drivers listed for different laptops.
    I've had that experience too, but the download archive filename doesn't make the driver. If it doesn't specificaly mention that it's for use with a particular piece of hardware, then it may not work.

    Case in point: 64bitdrivers.com has 64-Bit driver for Canon Scanners that claims it is a unified driver. I tried it, but my scanner still didn't work.

    The point is even if the driver claims it is unified for all intended classes of hardware, if it doesn't specifically mention the hardware you want, then chances are it won't work.
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  10.    26 Oct 2007 #10
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    Re: How To Tweek Drivers?


    Quote Originally Posted by dzomlija View Post
    Case in point: 64bitdrivers.com has 64-Bit driver for Canon Scanners that claims it is a unified driver. I tried it, but my scanner still didn't work.
    Nobody has posted any comments about whether it works or not so its very difficult to say how many scanners it does work with.
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