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Linksys Support

EtherFast® 10/100 Instant GigaDrive (EFG40)

• Provides 40 instant Gigabytes of external hard disk space
• Automatically toggles between 10Mbps and 100Mbps speeds
• Built-in print server allows addition of a network printer
• Can act as a stand-alone DHCP server

Support Sections

Guide Me provides step-by-step solutions and troubleshooting tips. FAQs are frequently asked product questions. Select Downloads for user guides and firmware updates.

  • Overview
  • Guide Me

    • Guide Me

    Get quick solutions and troubleshooting tips.

  • FAQs

    • Frequently asked questions

    Frequently Asked Questions for various Operating Systems

  • Forums

    • Forums


    • EFG80 MAC access

      Hi! I think MAC OS cannot read EXT3 File System by default (this is the file system of the EFG series NAS). From what I...

    • Drive Image for EFG20

      I am in the same predicament.  I purchased a used EFG80 that did not have any drives.  I put a new one in but...

    • Download Drive Image for EFG20

      I have a EFG20 that is in good condtion except the har drive has crashed.  Does anyone have an "Drive Image"...

    • NAS200 SMTP and Download manager

      There is a way to test this feature. Simply fill up the drive with data and set the alert to send when drive is almost full....

    • Port forwarding questions

      Finally figured out that it is an issue with the ports being blocked from my workplace, which is where I was trying to connect...

    • Block specific external ip address

      Not possible.1. Unless you forward a port the server can't be accessed anyway.2. If you forward a port to the server set...

    • Auto DHCP and Static IP together

      Definitely! That's the usual practice, if you have devices that needs port forwarding you set static IP address on it. Just...

    • File sharing with AVG 8.5 FW doesn't work

      I had a similar problem, and it turned out to be because I didn't create a new profile in the Firewall in AVG 8.5 Internet...

    • VPN connection Problem

      The port forwarding is under the Applications Gaming then Port Range Forward. The application filed can be anything you...

  • Downloads

    • Downloads

    Please ensure you select the correct hardware version as not all downloads are compatible with your device.

    Free Software notice for certain products, click here.

    Where's my model number?

    License Agreement
    Close

    How to find your model or serial number

    To find model or serial numbers, choose your device below.

    VALET HOTSPOTS

    •  

      Step 1:
      Flip the device over.

      Step 2:
      You should find the model number on the sticker underneath the device. Please see the example.

      Step 3:
      Take note of the exact model number and version of your product. The serial number is located right underneath the model number. In this example, the model number of the device is M20.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      54/921/modelnumber_valet.jpg

    WIRELESS ROUTERS AND ACCESS POINTS

    • E-Series

      Step 1:
      Look at the top of the device.

      Step 2:
      The model number should be found under the CISCO logo.

      NOTE: The images may vary depending on the exact model number of your Linksys product. The serial number is located underneath the device. If there is no version number beside the model number, it means that it is a version 1.

      896/29/E3200-ModelNumber.jpg
    • Blue and Black

      Step 1:
      Flip the device over.

      Step 2:
      You should find the model number on the sticker underneath the device. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is WRT54G ver 6.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      373/442/WRT54G_modelnumber,0.jpg
    • Silver

      Step 1:
      Look at the side panel of the router when it is standing vertically.

      Step 2:
      You should find the model number on the sticker. Please see the example.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRT54GX4.

      145/317/WRT54GX4_modelnumber,0.jpg
    • Wireless Routers with Voice Ports

      Step 1:
      Look at the side panel of the router when it is standing vertically.

      Step 2:
      You should find the model number on the sticker. Please see the example.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRTP54G V.2.

      727/168/WRTP54G_Modelnumber,0.jpg
    • Wireless VPN Routers

      Step 1:
      Look at the side panel of the router when it is standing vertically.

      Step 2:
      You should find the model number on the sticker. Please see the example.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRV54G.

      563/677/WRV54G_modelnumber,0.jpg

    WIRED ROUTERS

    • Blue and Black

      Step 1:
      Flip the device over.

      Step 2:
      You should find the model number on the sticker underneath the device. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is BEFSR41 ver.4.1.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      869/1020/BEFSR41_modelnumber,0.jpg

    WIRELESS ADAPTERS

    • PC Card or Card Bus

      Step 1:
      If your adapter is already connected to the computer, shut down your computer and remove the adapter.

      Step 2:
      You should find the model number on the device itself. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WPC54G ver.7

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      548/368/WPC54G_modelnumber,0.jpg
    • PCI Adapter

      Step 1:
      If your adapter is already connected to the computer, shut down your computer and remove the adapter.

      Step 2:
      You should find the model number on the device itself. Please see the example.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WMP54G ver.4.1.

      84/351/WMP54G_Modelnumber,0.jpg
    • USB Wireless Adapter

      Step 1:
      Look for the sticker around the device.

      Step 2:
      You should find the model number on the sticker. Please see the example.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WUSB54G ver.4.

      33/923/WUSB54G_modelnumber,0.jpg

    WIRED ADAPTERS

    • PCI Adapters

      Step 1:
      If your adapter is already connected to the computer, shut down your computer and remove the adapter.

      Step 2:
      You should find the model number on the device itself. Please take note of the exact model number and version. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      120/589/LNE100TX_modelnumber,0.jpg

    SWITCHES

    • SE Switches

      Step 1:
      Look at the top of the device.

      Step 2:
      The model number should be found under the CISCO logo.

      Step 3:
      Take note of the exact model number and version of your product. The serial number is located underneath the device. In this example, the model number of the device is SE1500.

      NOTE: The images may vary depending on the exact model number of your Linksys product. If there is no version number beside the model number, it means that it is a version 1.

      219/245/SE1500_ModelNumber1.jpg

    BRIDGES

    •  

      Step 1:
      Flip the device over.

      Step 2:
      You should find the model number on the sticker underneath the device. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.

      648/6/WET610N_modelnumber.jpg

    MEDIA HUB

    •  

      Step 1:
      Flip the device over.

      Step 2:
      You should find the model number on the sticker underneath the device. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is NMH410.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      944/865/NMH410_modelnumber,0.jpg

    WIRELESS HOME AUDIO

    •  

      Step 1:
      Flip the device over.

      Step 2:
      You should find the model number on the sticker underneath the device. Please see the example.

      Step 3:
      Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is DMC250.

      NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.

      665/884/DMC250_modelnumber,0.jpg
  • Videos
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Forums


  • EFG80 MAC access

    Hi! I think MAC OS cannot read EXT3 File System by default (this is the file system of the EFG series...

  • Drive Image for EFG20

    I am in the same predicament.  I purchased a used EFG80 that did not have any drives.  I put...

  • Download Drive Image for EFG20

    I have a EFG20 that is in good condtion except the har drive has crashed.  Does anyone have an "Drive...

See All Forum Topics

User Guides

User Guide

View All Downloads

Guide Me

Get quick solutions and troubleshooting tips.

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