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Item#: N82E16817399062

IOGEAR GCS1104 4-Port USB DVI KVMP Switch with Audio and Cables

  • 4 Ports 1 Port
  • 1-99 secs (default: 5 secs)
  • Up to 1920 x 1200; DDC2B

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
  • newegg Share Peripherals and Audio Devices between Four Computers The Iogear GCS1104 KVMP Switch provides the simplest way to share one DVI monitor, mouse, keyboard, speaker set and microphone between four computers. Two powered USB hubs can be connected to the Iogear GCS1104's port for sharing multiple USB2.0 peripherals such as your external hard drives, printers, scanners and more.
  • newegg Multi-platform Support The Iogear GCS1104 KVMP Switch supports multiple platforms including Windows and Mac computers, Sun Solaris workstations, as well as Linux, UNIX and other USB supported operating systems.
  • newegg AutoScan With the AutoScan feature, scan and monitor the activities of all operating computers connected to the Iogear GCS1104 KVMP Switch.
  • newegg Easy Installation The Iogear GCS1104 KVMP Switch features easy installation with no need for drivers or software. It is a true plug-and-play device that will have you up and running quickly.

Learn more about the IOGEAR GCS1104

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the IOGEAR GCS1104

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  • Donald T.
  • 12/26/2015 4:26:48 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorked fine out-of-the-box

Pros: Set-up was very easy, and everything worked perfectly right out-of-the-box. Unlike some of the previous reviewers, I didn't need to do any voodoo to get the mouse to work properly, and I didn't need to do any firmware updates. So, I'm thinking that the Iogear folk took the previous reviews to heart, and fixed the problems.

Cons: None.

Other Thoughts: I currently have it set up with three Macs, and it works great. Recommended purchase.

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  • Nayan S.
  • 11/29/2015 10:40:28 AM
  • Ownership: more than 1 year

3 out of 5 eggsPower-On Detection Fixed

Pros: One of the better DVI KVMs on the market, even better now with Power-On detection toggling.

Cons: Firmware turnaround time needs improvement. I think this is due to internal company management not approving these changes fast enough, not hardware complexity.

Other Thoughts: It only took 2 plus years, but Iogear "finally" enabled Power-On detection toggling. A little story to show how Iogear does business:

My past experience with Iogear KVMs is that the port stays on that port when the computer is turned off. The GCS1104 has Power-On detection, so it jumps to the next port when the current port powers off or when it thinks it has turned off. You could not toggle this function off in firmware V1.2.113. This forces you to switch back to the port everytime you power down, which has added up to hundreds of keyboard port selections at this point and very annoying.

Reading showed user Chad on 6/29/2012 (on newegg) originally got a response from Iogear saying "The firmware for the GCS1104 is in the process of being updated. This update should be available tomorrow on the IOGEAR website.". Good enough for me keep the unit and explore the product further.

Although I purchased the item on 2/2013, I found out after some time that Iogear had not updated the firmware back in 2012. When I emailed them, they said Power-On detection was a feature they could not disable. They did take time to remove their response from Chad's review (that I pointed out to them as reference), which is not cool. At this point I just lived with it, since other KVMs did not offer what I was looking for in other areas.

Just for kicks I checked their website to see what changes have been made, lo and behold, there it was. It was released on 10/14/2014 as firmware V1.2.117 "Power-On Detection Off/On toggle hotkey added". I just installed the update and it works. Wow, I don't have to switch ports on power downs anymore! Make the changes, review the output with HSM + [F4] to see the power on detection status:

"hotkey:
[num lock]+[-] and [ctrl],[ctrl]

os setting:
port1 auto-detect
port2 auto-detect
port3 auto-detect
port4 auto-detect
mouse emulation: on
button settings: mode1 [default]
power on detection: off"

The manual has not been updated to reflect this HSM configuration toggle "HSM + [e] enter", it is only mentioned in the firmware release notes. Iogear is losing cred as you can see in some of the lower reviews due to this feature. Good product relative to the competition, but common sense service and firmware turnaround needs improvement.

Give them another 2 years to update the manual I guess, which is still from 2009 :-)

Manufacturer Response:

Thank you for choosing IOGEAR and we apologize for the inconvenience. This was a special firmware that had to be created by the engineers. We did not have many requests for turning off power detection so it was not officially posted at IOGEAR.com until last year. I will forward your comments to the product engineers. Once again, thank you for choosing IOGEAR.

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  • Joseph I.
  • 9/23/2015 8:58:58 PM
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDoesn't work

Pros: Not much

Cons: The audio port is so poorly shielded that I can hear constant crackling in my headphones, and the usb ports are so unreliable that my keyboard drops keystrokes and my mouse frequently disconnects and reconnects. I sent it back within 3 hours of getting it.

Manufacturer Response:

First, thank you for choosing IOGEAR and we apologize for your experience. The Audio port is not poorly shielded on this device. With some Audio devices connected you may get static or popping. This can usually be corrected with a simple ground loop isolator. Again, thank you for choosing IOGEAR.

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  • Bruce F.
  • 5/10/2015 8:47:52 AM
  • Ownership: more than 1 year

5 out of 5 eggsWorks good

Pros: Works has advertised. Have been using going on 3 years, works with wireless keyboard and mouse (see note below) speakers and headsets.

Cons: Due to its lite weight moves/shifts easy on desk with all cables connected.

Due to the order of booting some motherboards will not allow booting up into BIOS at startup. This is common with KVMs and even with some wireless keyboards. Cannot take off points for that but you will need to plug keyboard directly into computer to use BIOS features.

Other Thoughts: I use this with 4 computers running Windows 7, 8.1, and XP systems. I have a Logitech 510 wireless keyboard and mouse connected to front port and works without problems. Connect to 2.1 speakers and a 1920X1080, 24" LCD. Headset jack in front works great.

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  • John R.
  • 1/12/2015 1:38:11 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsSo far, so good

Pros: My new employer uses Macs so my old PS2/VGA KVM solution between my old work PC and my personal PC wasn't going to cut it. I decided to cut the cord and move to a USB/DVI solution to get something that worked for my new Mac and my home PC (Win 7).

Unlike my old bus-powered KVM, this one has an external power adapter and is built very well. I had to construct a small shelf under my desk to put the KVM on it. I also went with the 4port model since I might be moving my Linux box from the basement up to my office. The price difference between the 2port and the 4port wasn't huge.

I hooked up my standard PC keyboard and my Logitech USB wheel mouse and after a few driver updates in Windows, I was off and running. Worked great. I then hooked up my Mac with a Thunderbolt to HDMI & HDMI to DVI adapters (yes, I know I can get a single adapter but this is what I have). That worked great. The wheel mouse worked great (I think the KVM is emulating it but I'm not sure). I'll miss a few things about my Apple MagicMouse, but no big deal. I'll keep it for when I'm on the road.

Cons: It is hard to tell which firmware version you have. The 'list out current settings' function (HSM + [F4]) does not show that. They should have that output list the model # and the installed firmware version. I was finally able to determine that IOGEAR encodes the version in the USB device name. I had '113'. The latest on the website is '117'. The release notes for '117' simply list the changes since the last version. I couldn't figure out the set of changes between '113' and '117'. I contacted support and they said the prior versions where to deal with bugs with certain keyboards and mice and if it was working for me, then I should not update. Really? How do I know that? For all I know the bugs fixed were dealing with timing issues or random hangs, etc that I might have have seen yet (I'm only just a few days into my usage). So I went again and updated to '117' with no problem following the instructions in the manual. Version '117' did add power-on detection but the release notes didn't really explain it. I found the same feature in other IOGEAR KVM manuals. They should go back and update the manual.

1 out of 1 people found this review helpful. Did you? Yes No

  • John R.
  • 8/15/2014 12:31:20 PM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsBuy with Caution

Pros: Reliable. excellent cables, reliable hot keys

Cons: Does not work with all motherboards during BIOS post. This means that you will not be able to get into the BIOS on certain systems. My MSI motherboards seen to work well, but not my Biostar or Gigabyte systems. The only workaround that I have found is to plug a KB and mouse directly into the motherboard (bypassing the KVM). Once Widows loads all works well.

Other Thoughts: I chatted with the manufacturer's technician and he said the the problem was with the motherboard (BIOS) and not with the KVM. No remedy offered.

1 out of 1 people found this review helpful. Did you? Yes No

  • Miguel C.
  • 7/24/2014 8:34:32 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsBeware!

Pros: DVI ports with DVI-D Connectors. fits new LCDs and Video Cards.
Fast Switch and Easy to use.

Cons: It produces too much heat. approx. ~ 80 F - 90 F at the bottom of the device.

the usb port for mouse and keyboard may not work with mouse.

Other Thoughts: I gave it 2 eggs cause of the problems of the usb and the mouse. It may need a firmware update, but there is not new firmware update. Now it gets ridiculous when you want to update the firmware of the devide. you need to plug a computer directly with the monitor, mose and keyboard and usb to the KVM in other to update the firmware. to update firmware, your keyboard have to be connected to your kvm first then you need to press num lock + - then release num lock then type "u p g r a d e" no quotes. Then click on the firmware update software that you can download from iogear.com. I tried this before calling iogear. and It did not work.

Then, I call iogear and talk to one of their technitians. which told me to try to plug the mouse in a different computer to test my mouse (???). then told to try the kvm in a different computer (???). then told me sorry your kvm is defective. So I order a new one and received 2 days after and guess what. same thing. I would recommend to buy insurance from newegg just in case this device dies on you.

Now the mouse works on a different usb port of the kvm but it does not work in the set usb port for mouse. but now all your usb have to switch to the next computer you are using by pressing and holding, instead of just pressing and the keyboard mouse and monitor switches.

Manufacturer Response:

Thank you for choosing IOGEAR and we apologize for your experience. The GCS1104 has built in mouse emulation, meaning it is looking for a basic wired 2 button mouse. No guarantee with anything else. This emulation can be turned off with HSM settings through the KVM. The sequence described above would be to get into these settings. Also some of the suggestions above you were asked to try are basic troubleshooting steps since this is a plug and play device. With the emulation off it should work with almost all mice. This would be the same as the usb peripheral ports on the KVM with the emulation turned off. The Upgrade process would not work if you are already at the latest level of firmware. The GCS1102 and GCS1104 are very hot selling KVM's with a very low failure rate. If you cannot change ports with using hot key commands from your keyboard, the keyboard may not be compatible with the emulation of the KVM. To better service you and understand your set up, please feel to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. Once again, thank you for choosing IOGEAR.

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  • Randy P.
  • 7/12/2014 10:53:33 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks good

Pros: Being used with a Win8 PC, Win7 laptop, and a Mac Mini. Does everything as advertised. No problems with audio, video, keyboard or mouse. I'm using an HP LCD monitor, a MS keyboard, and a logitech mouse.

Cons: Lots of wires but knew that going in.

Other Thoughts: My PC & Laptop didn't recognize the Logitech mouse at first but all I had to do is unplug the mouse from the mouse console port and plug it in to the extra USB 2.0 port that also gets switched. After that it worked flawless.

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  • Joshua G.
  • 6/8/2014 3:49:34 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood

Pros: I've been using this for awhile now and haven't had any issues. Easy to switch between two computers.

Cons: Couldn't get it to work with acer timelineX laptop vga port.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anthony S.
  • 2/28/2014 8:05:38 AM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsLasted 2 years

Pros: Worked at high resolutions. I run my monitor at 1920 x 1080 and it worked great.

Cons: USB ports started to quit on my about a 1.75 year mark. I think products should last 5 years.

Manufacturer Response:

First, thank you for choosing IOGEAR and we apologize for your experience. The product should not behave as you described. Since the unit is backed by IOGEAR's 3 year warranty feel free to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. Again, thank you for choosing IOGEAR.

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Item#: N82E16817399062
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