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Home >> Support >>  FAQs >>  AX88772C

AX88772C FAQs
 
Driver Installation
 
  • 0001: How to identify authentic ASIX USB to LAN products inside?
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  • 0002: Where can I obtain the latest AX88772C drivers?
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  • 0003: Are AX88772C Windows drivers qualified by the WHCK/WHQL compliant certification?
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  • 0004: Why don't ASIX's AX88772C standard drivers work with my AX88772C device?
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  • 0005: Which AX88772C Windows driver (32-bit or 64-bit) should I download for my Windows system?
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  • 0006: How can I install AX88772C Linux driver on my Android tablet PC?
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  • 0007: How to capture the VLAN tagged packets on Windows WireShark tool?
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  • 0008: Does AX88772C support Windows Surface RT 8.0/8.1 driver?
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  • 0009: Are AX88772C/AX88772B/AX88772A/AX88760/AX88772 supported by Windows 8 inbox drivers?
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  • 0010: How to isolate AX88772C Mac OS X driver cannot work fine issue after upgrading to new OS X system?
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    Design Considerations
     
  • 0011: Where can I obtain the latest AX88772C datasheet, reference schematic and other hardware design archives?
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  • 0012: How to open the gerber files of AX88772C demo board?
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  • 0013: How to open the PowerPCB PCB layout file of AX88772C demo board?
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  • 0014: Can ASIX help me to review my own AX88772C schematic and PCB layout?
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  • 0015: Do I need to develop AX88772C drivers by myself?
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  • 0016: What is the specification of 25MHz reference crystal of AX88772C demo board?
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  • 0017: What is the reference Ethernet transformer of the AX88772C demo board?
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  • 0018: What kind of EEPROM is supported by AX88772C?
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  • 0019: How do I program the AX88772C EEPROM?
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  • 0020: Do we need to register our own VID/PID for our AX88772C based application systems or can we use the ASIX's VID/PID?
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  • 0021: How do I register a Vendor ID from USB-IF?
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  • 0022: Do I have to assign a unique MAC address to every AX88772C based devices?
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  • 0023: How do I register a MAC/Ethernet address from IEEE-SA?
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  • 0024: Do I have to assign a unique serial number to every AX88772C based device?
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  • 0025: Did the AX88772C pass the USB-IF compliant certification?
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  • 0026: Does AX88772C support Microsoft AOAC (Always On Always Connected) feature?
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    Q0001: How to identify authentic ASIX USB to LAN products inside?
    A0001: If ASIX USB to LAN drivers cannot work fine on your USB to LAN device, please refer to How to identify authentic ASIX USB to LAN Products document to double check if your USB to LAN device includes a Non-authentic ASIX USB to LAN solution inside or not? If yes, please contact the manufacturer of your USB to LAN device to get proper drivers directly. ASIX DOES NOT GUARANTEE AND PROVIDE ANY SUPPORT FOR THOSE NON-AUTHENTIC ASIX PRODUCTS.
    The KY-88772A USB 2.0 to Fast Ethernet Adapter is a typical non-authentic ASIX USB to LAN product.

    Q0002: Where can I obtain the latest AX88772C drivers?
    A0002: Please visit the AX88772C Driver Download web page (http://www.asix.com.tw/download.php?sub=driverdetail&PItemID=136) for details.

    Q0003: Are AX88772C Windows drivers qualified by the WHCK/WHQL compliant certification?
    A0003: Yes, the AX88772C Windows 8/7 32-bit/64-bit drivers were qualified by Microsoft WHCK certification and the AX88772C Windows XP/Vista 32-bit/64-bit drivers were qualified by Microsoft WHQL certification.

    Q0004: Why don't ASIX's AX88772C standard drivers work with my AX88772C device?
    A0004: All ASIX's AX88772C/AX88772B standard drivers are qualified with ASIX's AX88772C/AX88772B demo boards with AX88772C/AX88772B default Vendor ID (0B95h) and Product ID (772Bh). Some of AX88772C manufacturers have their own Vendor ID and Product ID on their AX88772C applications. In this case, ASIX's AX88772C standard drivers will not work with your AX88772C device. Please contact the technical support of your AX88772C device manufacturer to obtain a proper driver.

    Q0005: Which AX88772C Windows driver (32-bit or 64-bit) should I download for my Windows system?
    A0005: You can easily download the AX88772C Windows 8, 7, Vista or XP 32-bit/64-bit WHCK/WHQL drivers setup program from AX88772C Driver Download web page (http://www.asix.com.tw/download.php?sub=driverdetail&PItemID=136) and then run the setup program to install a proper AX88772C Windows driver on your Windows machine directly.

    Q0006: How can I install AX88772C Linux driver on my Android tablet PC?
    A0006: No, it could not be done by end users. To install AX88772C Linux driver on your Android tablet PC, you have to recompile AX88772C Linux driver source on your target Android tablet platform and then you can install the compiled AX88772C Linux driver on your Android platform. It can only be done by the manufacturer of your Android tablet PC. Please contact the support guys of the manufacturer for further support if necessary.

    Q0007: How to capture the VLAN tagged packets on Windows WireShark tool?
    A0007: Please set the "Packet Priority & VLAN" parameter of ASIX USB to LAN Windows drivers to "Packet Priority & VLAN Disable" to capture the VLAN tagged packets on WireShark.

    Q0008: Does AX88772C support Windows Surface RT 8.0/8.1 driver?
    A0008: Yes, the Windows Surface RT 8.1 system supports an AX88772C inbox driver now, but AX88772C doesn’t support Windows Surface RT 8.0 driver.

    Q0009: Are AX88772C/AX88772B/AX88772A/AX88760/AX88772 supported by Windows 8 inbox drivers?
    A0009: Yes, the AX88772C/AX88772B/AX88772A/AX88760/AX88772 USB dongles with ASIX's default VID/PID are supported by Windows 8 inbox drivers directly.

    Q0010: How to isolate AX88772C Mac OS X driver cannot work fine issue after upgrading to new OS X system?
    A0010: Please try to un-install the existing installed AX88772C driver firstly and then re-install the latest AX88772C Mac OS X driver (http://www.asix.com.tw/download.php?sub=driverdetail&PItemID=136) to improve this kind of issue. If you still have problems, please refer to Section 4 of AX88772C Mac OS X driver installation guide in the driver package to isolate your issue.
    Q0011: Where can I obtain the latest AX88772C datasheet, reference schematic and other hardware design archives?
    A0011: Please register MyASIX membership (http://www.asix.com.tw/RegLogin.php?mod=thisis) and then download the latest AX88772C datasheet, reference schematic, gerber/PCB layout files and application design note from AX88772C Product web page (http://www.asix.com.tw/products.php?op=pItemdetail&PItemID=136;71;101&PLine=71) directly.

    Q0012: How to open the gerber files of AX88772C demo board?
    A0012: You can open the gerber files of AX88772C demo board by running ORACLE's AutoVue Evaluation Revision tool (30 days evaluation date). Please visit ORACLE's web site (http://www.oracle.com/) for more details.

    Q0013: How to open the PowerPCB PCB layout file of AX88772C demo board?
    A0013: You can open the PowerPCB PCB layout file of AX88772C demo board by running Mentor Graphics PADS Layout Product Evaluation Software (No time limitation but with limited function). Please visit Mentor Graphics' web site (http://www.mentor.com/) for more details.

    Q0014: Can ASIX help me to review my own AX88772C schematic and PCB layout?
    A0014: Yes, please deliver your own AX88772C schematic and PCB layout files to ASIX's Support (support@asix.com.tw) for further review before making your own AX88772C PCB board.

    Q0015: Do I need to develop AX88772C drivers by myself?
    A0015: No, the AX88772C already supports available device drivers for most of operating systems such as Windows 8/7/Vista/XP, Linux, Mac OSX, WinCE/Mobile, etc. Please visit AX88772C Driver Download web page (http://www.asix.com.tw/download.php?sub=driverdetail&PItemID=136) for details.

    Q0016: What is the specification of 25MHz reference crystal of AX88772C demo board?
    A0016: The 25MHz crystal signals of AX88772C board should be winthin 25MHz +- 50ppm. Please refer to AX88772C USB-to-LAN Application Design Note for details.

    Q0017: What is the reference Ethernet transformer of the AX88772C demo board?
    A0017: The reference Ethernet transformer on the AX88772C demo board is the Bothhand LU1S041X LF (Turns Ratio 1CT:1CT, Auto-MDIX) single RJ-45 connector module with integrated 10/100 BASE-TX magnetic. Please refer to AX88772C USB-to-LAN Application Design Note for the detailed Ethernet magnetic circuit information.

    Q0018: What kind of EEPROM is supported by AX88772C?
    A0018: The AX88772C supports 16-bit mode 93C56 or 93C66 EEPROM.

    Q0019: How do I program the AX88772C EEPROM?
    A0019: AX88772C supports some default settings inside chip hardware to enable it to communicate with USB host controller during enumeration when the AX88772C EEPROM is blank (prior to being programmed). The default settings inside chip facilitate users to update the EEPROM content through a Windows PC during R&D validation process or program a blank EEPROM mounted on target system PCB during manufacturing process.

    ASIX Electronics provides Windows/Linux SROM programming tools for users to easily program the Serial EEPROM of AX88772C on a typical Windows/Linux platforms. These AX88772C SROM programming tools support to customize the MAC address, Serial Number, Vendor ID and Product ID, etc. for AX88772C based application systems in mass production.

    Alternatively, users can pre-program the blank EEPROM on a 3rd Party Universal Programmer before soldering the EEPROM onto the AX88772C application device. You must assign a unique MAC address in the EEPROM for every AX88772C device.

    Q0020: Do we need to register our own VID/PID for our AX88772C based application systems or can we use the ASIX's VID/PID?
    A0020: The answers to above questions really depend on user's product applications and target market, which can be different on individual cases. Below gives customers some general guidelines about whether one can use ASIX's VID/PID or one should better register its own one with USB-IF.

    1.Case where it is OK to use ASIX Electronics's VID (0B95h) and PID (772Bh):

    You may be able to use ASIX Electronics' VID and PID when your AX88772C based application system can simply work with AX88772C standard drivers provided by ASIX without any modification and you don't have any concern from business and product marketing perspective to use the same VID and PID on your products as ASIX's other customers who are also using ASIX's VID and PID. ASIX Electronics would like to request customers to inform ASIX sales staffs by sending us email at sales@asix.com.tw beforehand if you would like to use ASIX Electronics VID and PID for your products.

    In other words, if your AX88772C based application system requires you to modify AX88772C driver on your own or by ASIX support team, you might have to register your own VID and PID. This can avoid your end customers from going to ASIX web site to download the AX88772C standard driver which may not be suitable to work with the specific AX88772C based application system.

    2.Cases requiring you to use your own VID and PID

    (1) Your AX88772C based application systems can't work directly with AX88772C standard drivers which ASIX Electronics release on its web site and your target application system (such as USB dongle or docking station) may allow your end customers to update the standalone AX88772C driver by themselves after sales. In that case, you MUST assign your own unique VID and PID for your AX88772C based devices.

    (2) For brand name products, you probably don't want your AX88772C based devices to become compatible with other company's AX88772C based devices. In this case, you should consider assigning your own unique VID and PID for your AX88772C based devices.

    You can register your own VID from USB Implementers Forum, Inc. and define the PID based on your company rules.

    Q0021: How do I register a Vendor ID from USB-IF?
    A0021: If you are a new USB product developer looking to get a Vendor ID for your company, you can register a Vendor ID from USB Implementers Forum, Inc. Please visit the USB-IF web site (http://www.usb.org/developers/vendor/) for details.

    Q0022: Do I have to assign a unique MAC address to every AX88772C based devices?
    A0022: Yes, every Ethernet device must have a unique MAC address. Users should always assign a unique MAC address in the AX88772C EEPROM for every AX88772C based devices.

    Q0023: How do I register a MAC/Ethernet address from IEEE-SA?
    A0023: You must first have an OUI or an IAB, to which you then append 24 or 12 bits respectively, in a way that makes the resulting 48-bit number unique, i.e., your 24 or 12 bits must be unique within your organization, which will require coordination among all the users of your organization's OUI or IAB. Please visit the IEEE-SA web site (http://standards.ieee.org/regauth/registry_OUI.html) for details.

    Q0024: Do I have to assign a unique serial number to every AX88772C based device?
    A0024: No, it depends on the real requirement of your AX88772C target application. If users need to install more than one AX88772C based devices on your target application, you should assign a different serial number in the EEPROM for every AX88772C device.

    If your target application always uses one AX88772C device, you can consider assigning the same serial number in the EEPROM for every AX88772C device for easy maintenance in mass production, especially if you plan to use a Windows PC to test AX88772C based devices repeatedly during mass production test.

    Q0025: Did the AX88772C pass the USB-IF compliant certification?
    A0025: Yes, AX88772C demo board was certified by USB-IF.

    Q0026: Does AX88772C support Microsoft AOAC (Always On Always Connected) feature?
    A0026: Yes, the AX88772C supports Microsoft AOAC (Always On Always Connected) feature.

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