How to check Firewire port and connection?

Question

Level 1

5 points

How to check Firewire port and connection?

I've got TC Konnekt 24D firewire audio interface. It is after service and works. iMac tells '

Warning:	Unable to list FireWire devices.
Maximum Speed:	Up to 800 Mb/sec

I've read all related threads in Apple Forums/TC Forums, made everything with no success. It seems FW-port is good and 24D is good. Why iMac can't see it? I did SMC, turn off iMac for 1+ hours,etc. etc. I use FW 9pin-to-6pin cable.

How to check connection / port?

My config:

iMac 24" (alu) Mac OS X 10.5.8, 2.66 Intel Core 2 Duo, 4Gb 1067 Mhz RAM, 600Gb HDD

TC Konnekt 24D with TC NEAR CONTROL PANEL 2.5.1 f3598

iMac (24-inch Early 2009), Mac OS X (10.5.8)

Posted on Mar 7, 2013 3:23 AM

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Answer 1

SeaPapp

Level 7

26,492 points

Mar 7, 2013 4:47 AM in response to tobto

The first thing to do is try another cable.

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Answer 2

SeaPapp

Level 7

26,492 points

Mar 7, 2013 5:19 AM in response to tobto

Which version of the Konnekt 24 D software are you running? Should be 2.5.1

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Answer 3

SeaPapp

Level 7

26,492 points

Mar 7, 2013 5:20 AM in response to SeaPapp

Disregard, I missed that in your original post

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Answer 4

Klaus1

Level 9

52,811 points

Mar 7, 2013 6:14 AM in response to tobto

USB and Firewire information:

http://support.apple.com/kb/HT1151?viewlocale=en_US

USB:

http://support.apple.com/kb/HT4049?viewlocale=en_US

Firewire Port failure:

http://www.wiebetech.com/whitepapers/FireWirePortFailures.php

"Well Known" TCP and UDP ports used by Apple software products

http://support.apple.com/kb/TS1629?viewlocale=en_US

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Answer 5

tobto Author

Level 1

5 points

Mar 10, 2013 4:47 PM in response to SeaPapp

2 Mike Sombrio
Today I've checked three FW cables with no success.

I've found these repeating messages in Console: 'kernel FireWire (OHCI) Lucent ID 5901 built-in: no valid selfIDs for more than 3 minutes after bus reset. '.

What it tells?

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Answer 6

SeaPapp

Level 7

26,492 points

Mar 10, 2013 5:15 PM in response to tobto

I don't know what the log entries mean. You mentioned in your first post that your "Tc Konnekt is after service and works". What does that mean? Is it a refurbished or repaired unit? How are you sure it works? Do you have any other FireWire devices with which to test the port?

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Answer 7

tobto Author

Level 1

5 points

Mar 10, 2013 5:58 PM in response to SeaPapp

I've bought Konnekt used on Ebay and, as it didn't work ('Unable to list FireWire devices'), I brought device to the TC Service, where FW chip was changed and a service guy demonstrated me my working 24D under Windows (they have no Mac at that moment). I don't have any other FW devices and never had besides Konnekt.

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Answer 8

tobto Author

Level 1

5 points

Mar 13, 2013 12:15 PM in response to tobto

When I turn iMac on with disconnected FW-cable, I get Console message:

"kernel FireWire (OHCI) Lucent ID 5901 built-in now active, GUID 0023dffffe91c5e6; max speed s800".
Looks like FW-chip is OK.

When I connect FW-cable, and then turn iMac on, I read:

"kernel FireWire (OHCI) Lucent ID 5901 built-in: no valid selfIDs for more than 3 minutes after bus reset".

My Konnekt 24D is after Authorized Service and does working.

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Answer 9

SeaPapp

Level 7

26,492 points

Mar 13, 2013 12:59 PM in response to tobto

Other than to run the Apple Hardware Test to see if it reports anything http://support.apple.com/kb/HT1509

Try another FireWire device, which you don't have, or take your Mac tithe nearest Apple Store for a check up I don't know what to tell you. When reset the SMC did you disconnect everything from the back of your iMac? If not, try he procedure again, this time disconnect everything

Shut down the computer.

Unplug the computer's power cord.

Wait fifteen seconds.

Attach the computer's power cord.

Wait five seconds, then press the power button to turn on the computer.

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Answer 10

tobto Author

Level 1

5 points

Mar 14, 2013 3:33 AM in response to SeaPapp

AHT passed, SMC made:
Warning: Unable to list FireWire devices.

kernel FireWire (OHCI) Lucent ID 5901 built-in: no valid selfIDs for more than 3 minutes after bus reset. ((

Any suggestions?

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Answer 11

SeaPapp

Level 7

26,492 points

Mar 14, 2013 4:23 AM in response to tobto

None other than to haul it to the nearest Aplle Store or AASP for a proper diagnosis. It sounds like you have a hardware problem.

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Answer 12

tobto Author

Level 1

5 points

Mar 14, 2013 6:47 AM in response to SeaPapp

Just found this: 'a bad internal PRAM battery can cause FireWire to not be recognized, so make sure it's good!' bit.ly/X9X7ZX Have to check it somehow.

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Answer 13

tobto Author

Level 1

5 points

Apr 1, 2013 5:42 PM in response to tobto

The story continues:

- I've updated OS X to 10.6.8
- TC Electronic sent me (thx!) a FW-adaptor 9pin-to-6pin 800/400
Still no success.

Messages:

System Profiler[170]

SPFWR ERROR: FireWire bus may be unstable. Other FireWire devices may be present.

No other FW devices besides D24.

Warning:	Unable to list FireWire devices.
Maximum Speed:	Up to 800 Mb/sec

Any idea what to do?

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