Iogear Firewire Hub..help

I bought this firewire hub from iogear. GFH610. so i plugged it in and it was great and i had 5 firewire things running. 3 lacie drives, a jvc mini dv deck, and a lacie dvd burner. then something FCP froze so i restarted but then the firewire port in the computer wouldn't work. i called apple and they walked me through finding that button under the keyboard to reset the internal battery or something. i had to reset the clock and that was it, but the firewire port worked again. thank god. but the iogear hub still doesn't work. maybe i shocked it and shorted it out. who knows. anyone else have problems with this thing?

Yes, it works, at least as far as signal is concerned. You may run into issues with device control if you would happen to attempt a capture from more than one computer at a time.

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Macbook Pro OS 10.6.8 will not recognize IOGEAR GUH420 combo usb/firewire hub

My IOGEAR GUH420 combo usb/firewire hub is not being recognized by my MacBook Pro. I have changed usb ports and cables and still no luck.
I have another unpowered Belkin hub that it sees, but not the IOGEAR. I bought the IOGEAR based on Mac forum recommendations.

My IOGEAR GUH420 combo usb/firewire hub is not being recognized by my MacBook Pro. I have changed usb ports and cables and still no luck.
I have another unpowered Belkin hub that it sees, but not the IOGEAR. I bought the IOGEAR based on Mac forum recommendations.

Firewire daisy-chain trouble with Leopard. Will a hub help?

I cannot get reliable daisy-chaining of my external Firewire drives under Leopard. A Firewire drive directly attached to computer will work, but subsequent daisy-chains to this drive will not mount more than half the time. I ended up getting corruption of 2 drives: there appears to sometimes be Spotlight crashes/Finder crashes, and Disk Utility repair failure after a mount fails.
I have nine FW drives, and I like to keep bootable clones of all 3 of my Macs with the current system and a couple of generations back. Being able to attach only one drive to my 12" G4 Powerbook 1.5GHz makes cloning difficult (I can only clone the internal drive using my Powerbook). If I get a Firewire hub, will my FW connection then be reliable? There seems to be a problem in Leopard as I don't get daisy-chain problems using the same drives under Tiger. The drive activity lights don't even flash when the daisy-chained drive mounts fail under Leopard, so it appears that Leopard is making no attempt to mount the drives. Why would this be? Yet sometimes daisy-chain drives have mounted just fine.
Makes/models I have tried: Smartdisk Firelite (were sold by Apple), Maxtor OneTouch III, Seagate FreeAgent Pro, and Iomega Black series. I tried various cables.
Does anyone know what the difference is, from a hardware standpoint, between daisy-chain vs. using a Firewire hub. Would there be an inherent difference using a hub?
Are the "hubs" with Mac Mini footprints actually true hubs or are they daisy-chains? How about FW drives with built-in FW "hubs": are THEY actually a true hub or a daisy-chain in disguise? (Sorry if these questions seem stupid.) Recommendations for a hub?

Sorry just noticed I've probably posted this under the wrong forum header

Hollywood Dazzle and Firewire Hub killed FCP

I made the mistake of running DV devices through a FW hub into the same port on my PowerPC G5 and now FCP 5 won't open at all.
I've unplugged everything and reinstalled FCP to no avail.
How can I fix my problem?
System Profiler says my FW ports are still active and DVD studio pro and other associated applications still work.
please help!

The Dazzle has anecdotal evidence of being very problematic and don't use a firewire hub in conjunction with any firewire devices and Final Cut Pro.
Do a forum search for the Guinness Solution, you may find the answers within the results. Also do a search for Dazzle and firewire hub and you'll find anecdotal evidence.

Trouble with Firewire Hub

I've been using a Belkin 6-port Firewire hub for 6 months with no troubles, but in the last week, I suddenly stopped seeing icons on my desktop when I connect. I assumed the hub had gone bad, so I just bought an IOGear 6-port hub to replace. Still am not getting a connection. I then thought the Firewire 400 port on the MacBook Pro went bad, but when I connect a hard drive directly to that port (without routing it through the hub) it comes right up on my desktop. I am using the hub with the AC adapter to power it.
I'm generally running three hard drives and a deck through the hub. No problems until last week, but suddenly two separate hubs, one right out of the box, don't work. I tried both Disk Utility and the "About this Mac/More Info" routes - neither recognizes the devices attached to the hub.
Any advice would be deeply appreciated.

Thanks for your concern..and yes it was confusing indeed! The hub is in no way connected to our ether-internet configuration here at home. But what has become clear it that I do not have to have both units together at once, the Duet/interface is just for recording and the Liquid Mix for post production.
My Duet simply can not share the firewire port..! Finito

Problems with the Firewire Hub at a Cinema Display

The Firewire Hub on my "23 inch Apple Cinema HD Display" doesn't work when connected to my "Power Mac G5 DualCore 2,3 Ghz Double Lay" - the hub works when connected to a Mac mini (or before to a G4 867). The Firewire-Port at the G5 works, too. Who can help me?

There seems to be not as much power at the monitor ports, use the main ports instead.
Dont forget to clone that boot drive occassionally
http://homepage.mac.com/hogfish

Firewire hubs

Currently I have a Buslink Firewire H6FW hub that gives me 6 ports and a power adapter, but not much improvement of allowing me to act as though I had two Firewire buses. I have at least four Firewire devices I like to plug in regularly, two of which need uninterrupted access to the computer's power. One, an iSight, another a Firewire DVD burner (which while it has its own power interrupts burning if I try to iChat while it is burning), and another an EyeTV 200. Periodically I may hookup my Firewire hard drives for backup, and I don't want to have to hook and unhook Firewire into my 2 Firewire ports of my iMac G5. So it seems like I need a Firewire port with more power. What's the best kind of Firewire hub that people have used?

Hello a brody,
I can only share my experience w/firewire FWIW, but I'm not sure about what you want to accomplish.
You have an existing 6port FW hub(powered), but if I'm understanding the problem as stated, you cannot run the iSight at the same time as the other FW devices are running without iSight causing the data transfer to the other device(s) to be interrupted and fail.
If that's what your trying to do, I'm not too sure "power" is the issue, but rather a conflict with the iSight switching/interface locking priority over the other FW devices.
The official 1394 FW specifications designate voltage from 8 - 30 Volts @+/- 10percent. I've checked Apple's specifications and measured the two "powered" leads in the 6-wire ports on most of the current Mac, coming in nearly exactly at 25V. This is important if a hub vendors unit is not built to handle that voltage.
Be aware that some manufacturer's hubs are labeled as adhering to 1394 standards(technically true), but may not be compatible (powered) with the Mac and may be damaged or cause system problems; If unsure, the hub supplier's support should be able to confirm that their product will comply with 1394 and work with Apple products and tell you exactly what voltage they are running the twin power-leads at in their powered hubs.
One sorry example of this failure on the boards is a combo(usb+fw) hub from IOGear which actually "popped" it's internal capacitors.
I personally had success with a Macally Hub that ran about $ 80. and can be found here; http://www.macally.com/spec/firewire/connecting/hub_uf.html
and more recently for another family member, installed a Belkin F5U526-WHT 6 port hub(powered). Others reported as working include; Belkin Modelf5726slv and Belkin's 6-PortHub(F5U526APL.
So, if your problem is power, then you should check to see exactly what spec the Buslink hub is running your hub at, just to make sure it is not causing a problem. But as said above, this will probably not fix any conflict with timing priority on the iSight. I'd still suggest that you consider unplugging the iSight when your using any other FW device.
Respectfully,
Bill Gallagher

Firewire hub... How does it work?

Hi everyone,
I have an Intel iMac (summer 2006), and I want to invest in a new FW audio interface for my studio, plus the Focusrite Liquid Mix DSP card, which also connects through FW.
Plus, I work with two more FW external HD's, also FW, which makes four devices for two ports. So my question is, would a FW hub solve this problem?
From what I've read, it's better to leave one port for the audio interface, not to compromise its stream and take the most out of it, but I'm worried about connecting the other devices to the hub. What I want to understand is if the hub simply alows for more connections, or is it really like having more ports with the same stream "speed"? (sorry if this is not the correct term)
Thanks a lot for the help.

FireWire is designed to be daisy-chained, so if one of the two external drives has a daisy-chain (extra) port, you can connect one to the other and save on the need for one port.
Other types of FireWire-based devices usually do not have a daisy-chain port, so you probably still need a hub.
I have a combo USB/FireWire hub from TrendNet. It has 3 FireWire ports, but since one is the uplink, it is actually only a one-to-two increase. It works fine for my drives, but I'm sure there is some reduction in throughput if both drives are actively working at the same time. The next size up after 3-port seems to be 6-port. Make the one you get is self-powered (comes with a power adapter).
I think you are correct in connecting the audio interface directly to the iMac.

Firewire hub and iPod, external HD etc...

Hi All,
I've got a new 1.67ghz PB. I have 3 different firewire things connected. My iPod Dock, a Porsche Lacie 160gb external HD and an old ibook. I have a cheap 6 port firewire hub connected to the PB which inturn connects the other devices... My problem is this. My iPod will always charge but wont always mount on the desktop, same with the connected ibook. Is'nt the hub just sposed to be an extension of the port? Everything I plug into the hub should work the same as if it where connected directly to the pb?
Any help would be great

Hi Nicholas,
I use a Belkin 6 port firewire 400 hub, as yet haven't had any problem like this on my Powerbook. Maybe connect each one in turn, make sure it mounts and unmounts OK, they try 2 and then 3 maybe it ld point to a defective port or even cable? Just an idea
Regards
Jed

Firewire Hub not working

I have a Belkin 6-port firewire hub connecting my powerbook (NO iSight) and two external hard drives. If I connect any one of the two hard drives directly into my single firewire port on my powerbook, they mount normally. If I connect them to the hub and then connect that to the powerbook, nothing happens. I need to use the hub because I need to import video (firewire connection of course) and my powerbook is full.
Any suggestions beyond unplug everything, check connections etc., would be helpful since I've tried all that.

Hello mklein,
If I connect them to the hub and then connect that to the powerbook, nothing happens.
And a dumber question:
Have you tried connecting the hub first and then connecting one Ext.HD? I'd also like info on the Ext. HD's and the type of box/interface chip they use; and pushing a bit more for information, the model # for the Belkin hub. Is it only FW or a combo USB/FW device?
Respectfully,
Bill Gallagher

Recomend firewire hub?

I think I need a firewire hub. I have 4-5 firewire cables I am constantly switching out on the front port and either the cables or the port are failing.
What hubs are recommended?

This Firewire 400 hub is nice
http://eshop.macsales.com/item/IOGEAR/GFH610/
As is this one for Firewire 800
http://eshop.macsales.com/item/BELKIN/F5U624APL/
Just stick with a known brand and you probably won't go wrong. As a rule of thumb cheaper is not always better.
The Firewire Depot is a good place to shop also
http://fwdepot.com/thestore/default.php/cPath/150

Can anyone recommend a good firewire hub?

We have a 2009 imac with one firewire 800 port, also I will soon be buying a new 15 or 17" Macbook Pro. I have run into problems trying to connect several firewire devices up at the same time due to there only being the one firewire 800 port. For instance, I might have a firewire audio interface, a DV camcorder, and a firewire hard drive that I use together when editing music and video.
I reliable powered firewire hub would make life a lot easier.
Can anyone give me some recommendations?
Thanks.

something like this might work for you:
http://www.bhphotovideo.com/c/product/431605-REG/KramerVS_81FW_VS_81FW_8_PortFireWire.html#features
+The VS-81FW 8 Port FireWire Switcher from Kramer is a simple yet versatile bi-directional switcher for 6-pin FireWire (IEEE 1394) data signals. This unit allows you to connect up to (8) devices and then enable a connection between any two ports as needed. Use this solution to save time, space, and money by connecting your varied devices under the management of a single switch. This switcher is ideal for small digital video editing systems and data switching systems.+
+It works with mechanical (passive) switching, so no power is required. Transfer rates will fall within the range of 100, 200, and 400Mbps. This unit's small footprint allows you to mount up to (2) units side by side in a 1U space in your rack with the optional RK-81 adapter.+

Firewire hubs recommendations please...

I have 2 x LaCie Mini 250G firewire drives which I have been using with my Mini G4 by daily chaining them. I occasionally get I/O errors when the drives are under high load. I then need to do a hard reset to get the machine responding again.
I have tested without the 2nd drive connected and the problem seems to have been resolved. It appears the LaCie drives do not work well if daily chained - problem with the firewire bus <?>.
I am thinking about getting a firewire hub which I am hoping will solve the I/O error problem.
Does anyone have an experience or recommendations on which type of firewire hub to purchase?
Thanks.
iBook Dual USB (600Mhz)/640MB, Mini 1.42/1GB Mac OS X (10.4.7) Airport Express, iPod G1, iPod Shuffle, 20' ACD, 2 x LaCie Mini 250G

Hello Hattori Hanzo,
Based on personal experience,and a lot of correspondance with others in the forums over the last couple of years, I would recommend a Belkin Mfg. hub. Others may work as well, but it seems that Belkin has a completely clean track record to date, of being compatable with Apple products.
Cory Cooper's suggestion seems like an elegant solution for a mini. If it were any other mfg. but Belkin, I would suggest that you stay away from combo USB/FW hubs as there have been reports of problems. But again, based on the above recommendation, and the product coming from Belkin, I'd say you've got your answer.
Respectfully,
Bill Gallagher

Are FireWire Hubs ok w/ FCP ?

Any known problems with firewire hubs and FCP HD ?
i'll be using:
mac mini dual intel
external firewire 400 lacie hard drives
external DVD burner (firewire 400)
canopus ADV100
thank you

thanks Robbosaur
problem is that one of the lacie drives has only one FW 400 port (other port is FW800) and the canopus box has only one 6pin FW400 port.
I can not use the 4pin FW400 port on the canopus while using the 6pin FW400 port.
i'd also like to hook up the video camera.
i'm hoping the FW hub will solve all of this. but sometime these hubs introduce more problems that they solve.
Should be fine.
Daisy chain, well you'll have to
Mac>Drives>Canopus on the end.
Once you're done editing and looking to generate the
m2v and audio I'd probably opt to have those saved on
the boot drive.
Unplug the drives then hook the burner up at that
stage.

Flickering video when daisy chaining firewire devices - HELP!

I have a 12" Powerbook with a single firewire 400 port, to which I have attached 2 daisy chained external hard drives. I have no problem capuring video off of my camcorder when I daisy chain it onto the end, but when the firewire is sending video the other way, as in the case of "printing" to tape, or using a television during editing, the audio clips and the video flickers substantially.
I've observed that connecting the camera directly to the computer eliminates this problem. Of course, it's a bit awkward, since I also eliminate my scratch disks (the external drives)! I've tried a firewire hub as well, and it seems that either the extra device or the doubled length of cable is interfering with the signal in such a way as to cause the flickering.
Has anyone else experienced this problem?
In any case, I'm thinking about buying a MacBook Pro. Assuming I run into the same problem, I was thinking about adding firewire buses with the Express Card slot. Has anyone done this, or have recommendations for firewire cards that reliably work with MBPs?

When you say 'flickering' what do you mean?
If the playback is stuttering, meaning the data rate is not being sustained, then it is a Firewire glitch. If the video is strobing or rolling then it a video issue with the timeline or the capture settings or something else.
We daisy chained Firewire back in the day on the first edition Powerbook (400Mhz with 10GB internal) and had no issues, that was 4-5 years ago, so your PB12 should be fine with this.

Iogear Firewire Hub..help

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