Firewire 800 to 400 Hub?

This new Mac (which I love) has Firewire 800. My hard drives and scanner has Firewire 400 connections. I bought a cable that connects the 800 port into my 400 port in the hard drive but since the Mac has only 1 800 port I am unable to connect my scanner. Are there Firewire hubs that can plug my other peripherals? There were none at the Apple store and I could not find any on-line. Please advise

You may be able to connect the scanner to the daisy-chain port on the hard drive, if it has one. Or, if the scanner has a daisy-chain port, connect it first and connect the hard drive second.
If your FireWire devices are 400, there are FireWire 400 hubs on the market. Connect the hub to the Mac using that 800 to 400 cable you already have. Connect the FireWire 400 devices to the hub. Be sure to get a hub that has its own power supply. Here's one hub
http://www.amazon.com/Belkin-FireWire-6-Port-Hub-F5U526-APL/dp/B0006BHCEK/ref=sr11?ie=UTF8&s=electronics&qid=1259634281&sr=8-1

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Print to Video does not work with Firewire 800 to 400 cable

I need to print video from a Mac Pro with only Firewire 800 port to a Sony DSR 50 with only Firewire 400 port. I'm using a Firewire 800 to 400 cable and I also tried a 400 cable with a 400 to 800 adapter attached. I'm able to control the Sony deck but I cannot get any audio/video to it.
Anyone else have this problem?

When you've got the deck connected and in fcp you go to view: videoplayback, do you see the appropriate apple firewire option available and chosen? And if you hit command-F12 (show all frames) do you see anything? If it doesn't work, try restarting the computer with the deck remaining on.

FireWire 800 and 400

Can I link up two HDD's one FireWire 800 and one FireWire 400 into one FireWire port on my MBP?
Thanks

It is just that easy. I'm assuming you have a FW800 on your MBP? Just do a search on Amazon for Firewire 800 to 400 cables and you'll find some - very inexpensive - that will suit your needs. Oh! Here are some from monoprice - all under $9.
Regards,
Clinton

Mixing firewire 800 and 400

I have an older iMac (3.06 GHz Intel Core i3). I currently have 3 external firewire 400 drives daisy-chained to it. I use a 800 to 400 adapter on the back of the iMac to convert from 800 down for my drives. I was just looking at OWC and considering a new external. Just wondering if it would be worth my while to pay extra to get a USB3/firewire 800 enclosure instead of a 400. If I hook up the 800 directly to the iMac, then use the 800/400 adapter off the extra port on the back of the first drive to run the other 4 400 drives, will I be getting the 800 speed from the first drive, or will it be downgraded to 400 (speed of the older drives). If I was starting from scratch, it wouldn't be an issue, but since I don't want to loose the other 4TBs+ on my other drives. Hope someone knows the answer. I've heard conflicting stories on how this actually works.
Thanks

Just wondering if it would be worth my while to pay extra to get a USB3/firewire 800 enclosure instead of a 400.
If you think you'll ever upgrade you Mac I'd get the FW800/USB3.0 model so it will be usable at it's intended speed with the new Mac.
OT

Firewire 800 vs 400 for Migration Assistant

I'm trying to use Migration Assistant to move stuff from my old iMac, which has Firewire 400 ports to my new iMac which has Firewire 800. I bought a cable that has one plug type on each end, but it seems the two iMacs can't 'see each other' using this cable. Also, if I connect my external LaCie hard drive (which has both)to my new iMac using this cable, it doesn't mount, although it will using a USB2 cable. This isn't an option for Migration Assistant. Any ideas?

Well, either the cable is bad or your firewire port is bad. Firewire 800 is backward compatible to 400. Try on someone elses mac. If it works on theirs, then your port is suspect.
Glor

Firewire 800 vs 400

I have a Lexar card reader which is firewire. On my older computer, there was no firewire 800 ports however on the Mac Pro, there are. If I were to get a new cable for the card reader, I assume one end would be for the cardreader , 400 and the other end would connect to the firewire 800 port. Now, by doing this would the card reader work faster? In addition, I have external hard drives and am wondering if these two would work faster using the same type of connection.

FW 800 HD cases definitely exist (from the usual suspects - OWC, Newegg, etc.) But you're right, simply using a FW400 to FW800 adaptor cable (they exist too), isn't going to gain you any speed - in a hard drive case or card reader. It's the controller in the device that, uhm ... controls the speed.
As far as card readers - as the1sen mentioned, the speed of the card is just as important as the I/O. I don't think any current card can actually (fully) saturate the I/O transfer speed of FW400, let alone FW800. I have one of the fastest readers around (Sandisk Extreme FW800), combined with one the fastest cards available (Sandisk Extreme IV), and there isn't much difference in transfer speed when using FW400 or FW800.
In this Barefeats test, note the difference when using FW800 and different cards, and the difference when using FW800 vs FW400 with the same card.
http://www.barefeats.com/hard81.html

Mixing Firewire 800 and 400 on an iMac?

I have 2 external FW 400 drives on my late 2011 iMac. I use an 800 to 400 adapter. I've been thinking of getting a new external drive from OWC. The have both 400 and 800. The 800 case has 2 800 connectors and one 400. Does it make sense to mix? Will they all run at the slowest in the chain?
I was thinking of connecting the 800 directly to the iMac using the built-in 800 connection. Then chaining from there using the 400 connection to the other existing 400 external drives. Will I actually get 800 speed on the first drive?
Thanks

I have a mixed group of external drives, and just bought a new OWC Mercury quad interface drive.
The user manual that came with it says:
Note: If you are using FireWire 800 and add a FireWire 400 device to the chain, all devices will be reduced to FireWire 400 performance
I tested this myself, which confirmed it. I set up the following chain, with the first 2 drives connected by FW800, and with a FW400 drive either connected or not connected at the end:
HD ----800-----DRIVE1------800------DRIVE2-------400-------DRIVE3
I booted from my HD and timed the copying of a large file from DRIVE1 to DRIVE2. Although the FW400 drive was at the end of the chain and was never involved in the copying, just having it attached immediately reduced the speed of the file copy from Drive1 to Drive2. The actual speed reduction in practice was about 40%, not 50%.

FireWire 800 and 400 ports??

What is the difference between these and can you plug any devices into either?

FireWire 800 rocks! It has twice the throughput of FireWire 400. 100 MB/sec versus 50 MB/sec. They do have different connectors, but you can buy adapters. And like the last guy said, a FW400 device will not run at FW800 speeds. I use a FW 800 drive, and it's pretty zippy, but without a RAID config you're not likely to spit out 100 MB/sec of data!
Hope this helps.
PowerMac G4 FireWire 800 Dual 1.25 GHz Mac OS X (10.4.5) 1.25 Gig RAM

Daisy chaining firewire 800 and 400 devices

I am considering purchasing a blue-ray DVD recorder that has two 800 ports and one 400 port. My sony video camera has a firewire 400 connection and I am wondering whether that camera cable may be used to import video using my 400 cable connected to the 400 port. One 800 port would be connected to the computer. Or should I purchase a firewire800 to 400 (4 pin) cable and use the second 800 port on the recorder, or go direct from the computer swapping the cables when importing video?

Hi Charles
If your using the Core Duo with 2 400 ports listed in your profile, then you might be better off just connecting the player up 400 and then using the second 400 port for the camera. If however we are talking about a newer iMac, one with a single 800 port then you will want to connect the recorder up 800 and then the camera up 400 to that.
Also see > http://support.apple.com/kb/TA26476
Dennis

Do I need a firewire 800 to 400 to migrate?

I am migrating my data from a 2008 era Macbook to a Macbook Pro. (WHEEEEE!!!!) Do I need to buy an 800-400 converter for copying files, or can I use USB or some other method?

V.K. wrote:
ToddPeperkorn wrote:
All good solutions. Thank you!
So would there be an advantage of migrating off of a clone of the drive over using TimeMachine?
no. it makes no difference for migration.
Right; just saves you a little $ in buying a cable.

Rear Firewire 800 and 400 Ports

I'm having an issue getting a new Maxtor HD to be recognized by my G5. The front FW 400 port works fine, but I can't get the two rear ports to recognize the unit.
I've tried the shutdown and power plug pull technique but that didn't work.
Any other ideas?
Or does this box have to go in for repairs?
??? Thanks

You could try the Official firewire reset
Mike Mihalik, LaCie
"Seems like the FireWire issue needs to be revisited quite often. Here is my often repeated suggestion which appears to clear up many FireWire issues: reset the FireWire ports. Panther has a Finder Preference to show mounted volumes on the Desktop. You must set this for mounted drives to be visible. Please follow these instructions to reset your FireWire port.
http://docs.info.apple.com/article.html?artnum=88338
Here is a summary:
* shut down and disconnect all external drives and peripherals ; make sure nothing is connected to the FireWire ports
* use Apple Disk Utility to repair permissions on your internal boot drive
* shut down and disconnect the AC power from the computer as well as the drives; if laptop, also remove battery
* let sit unpowered and unconnected for 15 minutes
* reconnect AC power to only the computer (battery too if laptop)
* restart computer
* verify that FireWire ports are visible within Apple System Profiler
* reconnect FireWire drive (only one); refresh window within Apple System Profiler to rescan the FireWire bus; confirm that drive is visible
* confirm drive is OK by using Apple Disk Utility and apply First Aid
* repeat for other drives, one at a time "
Post again if it doesn't help.

Can i use Firewire 800 and 400 at the same time?

I have a HD connected to my 800 port works fine and a GL-2 camera on the 400 and final cut pro won't see the camera. Can I have 2 devices hooked up at the same time?

Yes. But you did not say whether the camera works alone or not at all. In the latter case it could be the camera isn't compatible.
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Power from firewire 800 to 400?

I have an ADVC 55 analogu to digital video converter and it's powered through its FW400 cable. It has no FW800. If I get a cable or an adaptor to connect the ADVC55 to my MacBook Pro through the FW800 port, will the cable/adaptor carry the power too? If some do and some don't, which do?
Thx.

Thanks!

Firewire 800to 400 hub connecting 2devices

Hello ,im focusing in music production and i want to connect 2 firewire 400 devices in my i mac...but it has only one 800Firewire slot..
If i use a firewire 800 to 400 hub http://www.sonnettech.com/product/yinyang.html is that possible to connect the devices and work properly without loosing ac..Because they need stable ac power..
Thanks in advance

Hi,
Sorry to hijack this thread, but I'm also looking for a similar device. Daisy chaining has its limit in the cable cluttering world!!
While I find the Nitro device interesting, I'm wandering if there is equivalent device that can offer both FW800 and FW400 ports without having to change all my cables. Any idea?
I already have lots of FW800 and FW400 cables, so if I can prevent myself from buying adaptors or new cables, I would appreciate!
Thanks

FireWire 400 to FireWire 800

I have just purchased an iMac which has only one FireWire 800 outlet. I have three external HDs which are compatible w FireWire 400 outlets only. Is there a way for me to be able to use these HDs with this new machine? Is there a wire that would allow me to use HDs w FireWire 400 outlets on this iMac?
Any thoughts on this would be most appreciated.

Yes this is very common and there is a simple solution, you just need a Firewire 800 to 400 converter such as this:
http://www.amazon.com/Sonnet-FireWire-400-Adapter-FAD-824/dp/B0000CDJPQ/ref=sr11?ie=UTF8&s=electronics&qid=1253141288&sr=8-1
or
http://www.amazon.com/FireWire-6-pin-Cable-9pin-6pin/dp/B0027DPM1U/ref=sr14?ie=UTF8&s=electronics&qid=1253141418&sr=8-4
From there you can daisy chain your Firewire devices together. Your external HD's will need 2 FW plugs on each drive (one in and one out) if they don't have this then you will need to purchase a Firewire Hub such as:
http://www.amazon.com/IOGEAR-GUH420-Port-USB-Fire/dp/B0007RB28U/ref=sr16?ie=UTF8&s=electronics&qid=1253141533&sr=1-6
Regards,
Roger

Firewire 800 to 400 Hub?

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