OS X :: New IMac - Firewire 800 To 400 Not Working?
Nov 28, 2010
I finally decided to get a new 27" iMac in order to release the old G4 from it's pain.
What I wasn't aware of tho, was that there's no firewire 400 port on it anymore, which I need for all my peripherals (scanner, hard drives, etc.)
I bought a firewire 800 to 400 adapter, and while everything fits physically, there's no connection. The iMac refuses to find any hardware I connect to it...
I don't have anything that uses firewire 800, so I can't do a proper diagnostic. Thought I'd ask you people if you have any idea what might be the problem?
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Feb 1, 2008
i got an aluminium imac. however, today when i tried to connect my FW800 Hard drive it did not work and it works by FW400. i connect the same Drive to my MBP using FW800 and it is working flawlessly.
i am still running tiger while the MBP has leopard
i wonder wether the returned My Book Studio has any effects on this. i returened it because i couldnt get it to connect via firewire. i really hate this as i use that lovely FW800 port a lot.
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Oct 12, 2009
I just got a Mac Mini (March 2009 model) and want to connect it via Firewire to my Sony TRV-22 camcoder. The camcorder has a Mini DV Firewire jack on it (I think this is called a 4-pin connector sometimes too). But on the Mac Mini, I can't tell if I need a 6-pin or a 9-pin. Can someone point me to a good cable so I can dump some MiniDV tapes into iMovie?
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Jan 31, 2009
I have a 500 gb mybook with firewire and usb. I've been using firewire forever until the other day it couldn't connect. I was terrified that the drive was dead (especially since I just bought a new drive to replace another drive that was on its way out). So I plugged in the USB and it was fine! in theory it wouldn't be an issue, but the problem is that its currently my scratch drive for my video editing and I know that USB isn't as good as firewire. I've been looking around online and it appears that I'm not the only one but so far found no solutions.
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Mar 27, 2012
trying to reconnect my ancient Ozonic from M Audio, but firewire won't work... any suggestions to resolve?
Info:
MacBookPro, Mac OS X (10.6.8)
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May 22, 2012
All of a sudden my USB and firewire ports quit working-
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Dec 2, 2007
3 times in the last week, my 400 & 800 firewire ports are not working. I am using a firewire hub with several external drives. I unplug everything, reboot and then they work. anyone know what is going on?
Information:
Power Mac G5
Mac OS X (10.4.2)
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Dec 13, 2007
Both my firewire ports are not working. No signal or connection with external hard drive or video camera. Firewire does not appear under Network Status and is grayed out under Network Port Configurations.
Information:
PowerMac G5
Mac OS X (10.4.11)
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Feb 28, 2012
It WAS working. I'd bought an iomega fw drive with usb and fw800 ports. I hooked up the drive and it worked and then suddenly I got the message that a drive had been ejected improperly. The fw800 port never worked again -- with any drive or any cable. My apple care has run out. (I've tried these cables and drives on another computer.
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Jul 22, 2008
My 1.2 GHz G4 iBooks Firewire stopped working recently. Have tried zapping pram, reloading OSX etc but no luck. Fortunately USB is still working fine so I can still use my external 500GB hard drive, but I can't download video from my aging Sony video cam.
Any suggestions, other than chucking it and getting a new Macbook/Pro? (Which I plan to do sometime anyway, but would rather prolong the life of my iBook for the moment if possible)
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Feb 27, 2010
The Firewire port on my MacBook has stopped working. Nothing responds and when you look in System Profiler with anything connected the Firewire section shows the spinning indicator for a few minutes before claiming it is unable to list devices. I have also tried all the usual troubleshooting steps including resetting the SMC. But, if I put my thumb under the connected Firewire plug and gently press upwards the port works. It shows in System Profiler and drives mount. I have, of course, tried with different cables to rule that out too.
It clearly seems to be a physical problem with the port somehow. Does anyone have any ideas of exactly what the problem might be, and how easy it is to fix? Maybe a pin just needs bending outwards, or the port loose and can a clip needs pushing back in. If it is likely to be something relatively simple I am comfortable with fixing it myself, but the laptop is a few years old and not covered by AppleCare so I am wearing of an expensive repair bill.
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Sep 28, 2007
I've been using my external burner for sometime now connecting to my G4 with the firewire. When I connected recently by firewire the computer does recognize or mount on the desktop like usual. When I tried the USB connection the burner is recognized and mounts fine. I repaired premissions and repaired the disk from the install disk I also reset the Pram
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Dec 26, 2007
The firewire port on the front of my machine is bad. I can't transfer any kind of data using it. The port on the back as well as all USB ports work fine. Would this need a complete motherboard replacement? Would it even be worth doing? Could I build a dual processing machine or buy one cheaper?
Information:
G5
Mac OS X (10.4.4)
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Jan 31, 2010
My front firewire 400 and 800 ports abruptly quit working. THe backs work fine. I've tried two different video cameras and an external hard drive and according to system profiler none are recognized and none are accessible.
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Jul 4, 2012
I have my Canon GL2 connected to my I-Mac OSX version10.7.3 with a Belkin 800/400 9-pin to 4-pin firewire cable and the computer is not acknowledging the camera or firewire cable. Trying to get footage into Final Cut Pro 10 off mini dv tape.
Info:
iMac, Mac OS X (10.7.3), Final Cut Pro 10
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Jul 4, 2012
I understand this particular issue has been discussed at length on this forum and in other places but none of the solutions have yielded any success for me and I see this is often the case for others. So, I'm posting the question again in hopes that there is an Apple guru out there who has figured this one out. (All relevant specs below.)
Problem: Firewire port was working fine for downloading video from a Panasonic PV-GS320 into iMovie 8.0 on an iMac 10.5.8. Then, suddenly the firewire port was no longer recognized: FireWire Bus: Warning:Unable to list FireWire devices. Maximum Speed: Up to 800 Mb/sec The problem cannot be with the camera or cable as I can swap them over to an iBook 10.4 and the camera and firewire download perfectly there. I have run AHT. Test results show no hardware problems. I've tried all of these
[code]....
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Sep 3, 2010
I have a 2006 Mac Pro and recently my firewire ports stopped working (front and back). I did a little searching around found a suggestion to try resetting the Mac's PRAM and NVRAM by holding the Cmd-Option-P-R keys down while booting. I have tried this numerous times and it doesn't seem to do anything (i.e. the Mac just loads OS X and doesn't re-boot like the instructions say). I'm using a MS Wireless Comfort Keyboard for Mac. Can you reset using a wireless keyboard?
Since I wasn't making any progress with that, I was toying with bringing in the Mac to a genius bar. Never having used the genius bar before - how does it work? Do I bring the computer in and leave it with them? Do they work on it while I'm there? I don't have an extended warranty so do they charge time and materials? I'm wondering if that might get awfully expensive and if I ought to just buy a PCI-X firewire card instead.
Any suggestions?
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Jul 23, 2008
I have a 2006 Mac Pro and recently my firewire ports stopped working (front and back). I did a little searching around found a suggestion to try resetting the Mac's PRAM and NVRAM by holding the Cmd-Option-P-R keys down while booting. I have tried this numerous times and it doesn't seem to do anything (i.e. the Mac just loads OS X and doesn't re-boot like the instructions say). I'm using a MS Wireless Comfort Keyboard for Mac. Can you reset using a wireless keyboard?
Since I wasn't making any progress with that, I was toying with bringing in the Mac to a genius bar. Never having used the genius bar before - how does it work? Do I bring the computer in and leave it with them? Do they work on it while I'm there? I don't have an extended warranty so do they charge time and materials? I'm wondering if that might get awfully expensive and if I ought to just buy a PCI-X firewire card instead.
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Aug 5, 2008
Here's what's happening: We can connect the iBook to the MacBook with a FireWire cable and boot the iBook into FireWire Target Disk Mode (TDM) successfully. The MacBook recognizes the iBook and mounts it as a drive on the desktop. When we try to launch Migration Assistant, it asks us where the old data is located. Specifying another Mac (which is the logical choice) causes it to beachball for about 10 minutes then tell us to connect the two computers with a FireWire cable and boot the other one into TDM, which we've already done. Choosing from a Time Machine backup or other disk causes it to display a blank window, as if it can't detect any other systems.
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Feb 6, 2009
I have a Panasonic PV-GS15 camcorder that has usb and Firewire support.
I Current have a 2007 iMac 24" 2.4 with 10.56 installed, and I have been having tons of problems with OSX recognizing the camera.
It seems I need to reboot the machine, turn on the camera and do my importing, but once I turn off the camera and try to use it again later It requires me to unplug reboot and repeat the process each time.
I have had to disable the isight camera in order for it to even get this far.
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Mar 3, 2009
I like to plug my digital camcorder into computer through a firewire 400 cord - will this work on firewire 800? If not what can I do?!
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Dec 14, 2006
Is there any possible way to add usb 2.0 or firewire to my slot loading G3 iMac 350mhz? I would just rather use my iPod with my mac and usb 1 takes forever to put songs on it. I haven't been able to find anything and as far as I know there is no place for expansion cards, so I'm probably just gonna hear a no back on this one.
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Jan 11, 2009
I'm trying to help my mom transition from her old iMac to her new one. She doesn't have a firewire cable, so we can't do target disk mode.Is there any other way (ethernet, USB) to transfer her files?
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Apr 24, 2009
I've searched the forums but did not find much on the topic. I want to use ChronoSync to synchronize files between my iMac and MacBook Pro. I would like to accomplish this through FireWire, but I'm not sure how to go about it. I know about Target Mode, but I don't think this is what I want to do. I would like to be able to mount the iMac on the MBP and vice versa - can this be done? I have the FireWire cable all ready but I'm not sure what I need to configure to get them to "see" each other.
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Jan 3, 2010
I know USB 3.0 is coming out and would like to know if it will be faster than Firewire 800?
It 's confirmed some of computer providers will be releasing their products with USB 3.0 ports on this month, January. like Lenovo Thinkpad W510
I'm thinking of returning my iMac for the refund and wait til new iMac comes with USB 3.0 ports (if it is a lot faster than firewire 800) and of course wait til Apple has eliminated all current problems for this iMac.
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May 6, 2009
I have some iMacs (running 10.5.6) each with an external direct-connect FireWire hard drive. About every ten minutes, these drives will spin up for a minute or two, then spin down again.
Background: The drives are set as Time Machine backup volumes on their respective iMacs. I assume the frequent accesses I observer are not related to Time Machine (because the accesses are much more frequent than the hourly backup schedule). The drives are not remote-mounted anywhere.
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Aug 8, 2009
G4 IMac, 10.4. I have a simpletech 1 tbite hard drive that does not mount almost always on my machine. I just brought it home from a friends where it does show up instantly. Ran disc utility for permissions on my imac, swapped cords. Power on before boot up, power on after, unplug firewire, etc., nothing works. I want to install OS X 10.4 on the drive to try & boot up my powerbook (panic kernel message there).
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Mar 2, 2010
I just bought an iMac G5 and I need to transfer images/music/docs/movies from my powerbook G4 laptop. I heard I need a firewire 400/400 cable but I saw on ebay there's different threads/connections. I need to know specially which one I need before I buy.
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May 11, 2010
If I have a SSD enclosed in an firewire case can I use the same hard drive to boot both the MBP and the iMac?
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Jul 22, 2010
Iv seen there is an update coming for the iMac and mac pro coming at the end if summer. USB 3.0 and faster FireWire. Does anybody think that it will get HDMI so I could plug my xbox 360 in? I'll be buying one when the update comes anybody else?
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