InsanelyMac Forum > EHCI Root Hub Simulation Error

Full Version: EHCI Root Hub Simulation Error

InsanelyMac Forum > OSx86 Project > Post-Installation Discussion > OSx86 Tiger (10.4)

ultravista

Nov 30 2006, 12:56 AM

Upon boot, I get a warning "USB Over Current".

EHCI Root Hub Simulation has caused an overcurrent condition. The hub it is attached to has been disabled. Error 0xfd000000

USB is working fine however, just would like to get rid of the error if possible.

maisum

Nov 3 2007, 05:06 PM

Umm, the same thing is happening to me...

Have you fixed the problem yet?

Can someone help...

QUOTE

I need some help, I installed Leopard and now im at the step where i press F8 and then -s. I do that, and it does the whole loading thing..goes on and on...and then it says USB Notification: The device "ENCI Root Hub Simulation" @ 0xfd000000 has caused an overcurrent condition. The hub it is attached to has beed disabled

I was thinking that ment there was something wrong with my USB port, So i switched it with the one my keyboard was in, said the same thing.

Also, when i tried to name my USB drive "Patcher" It changed to "PATCHER".
So then I went into 9a581PostPatch and changed PATCH="/Volumes/Patcher/files/leopatch/" to PATCH="/Volumes/PATCHER/files/leopatch/"
And that still didn't work.

HELP PLEASE!

Fiko

Dec 22 2008, 01:07 PM

Having the same problem with the following specs:

- Processor: Intel Pentium 4, 3000 MHz (15 x 200)
- Motherboard: Asus P4P800 Deluxe (5 PCI, 1 AGP, 1 WiFi, 4 DDR DIMM, Audio, Gigabit LAN, IEEE-1394)
- Motherboard Chipset: Intel Springdale i865PE
- Memory: 2048 MB (DDR SDRAM)
- Bios type: AMI (10/14/04)(1019.005)
- GPU: RADEON 9600 SERIES (128 MB)
- Sound: Analog Devices AD1985 @ Intel 82801EB ICH5 - AC'97 Audio Controller [A-2/A-3]
- Network: 3Com Gigabit LOM (3C940)

I cant boot from the tiger dvds because it keeps repeating this error. But leopard iDeneb 10.5.5 and iatkos 10.5.5, they do boot and with the right kernel in installs succesfully.
After that it starts to boot into OS from had but it keeps repeating the "EHCI Root Hub Simulation" @ 0xfd000000 has caused an overcurrent condition" error.
Any ideas ?

Thnx

pastakasta

Jan 27 2009, 08:24 AM

I have the same problem, but with Leopard and the system does not boot up after installation. If I install win xp or linux on this machine, everything works fine.

Any idea what to to?

therisenevil

Feb 15 2009, 10:50 AM

I have the same Problem.
If I connect my Keyboard with PS2 rather than USB ist says "Apple ACPIPS2 Nub startup complete and hangs...
Ah, I use Leopard, too...

simulation11

May 5 2009, 07:16 AM

That's quite an interesting but difficult work.

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quelareine

May 8 2009, 03:54 PM

cool post! very interesting!
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Johny5

May 27 2009, 10:27 AM

Thank you for the information you provided. It helped alot.

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blaze888

May 29 2009, 08:08 AM

Hello all,

Just want to say thank you for such a wonderful information, it was really helpful!

Thanks,
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GretchenMorgan

Jun 2 2009, 07:23 AM

This issue was already fixed by the MAC support team. It was a common problem of Leopard before but it is working now.

Good job by Apple.

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jkchiche

Jun 25 2009, 03:06 AM

Thanks for the information.

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bigbigball

Jul 27 2009, 01:56 AM

It was a common problem of Leopard before but it is working now.
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toggleswitch1

Aug 12 2009, 10:34 PM

Excellent. Thanks for sharing.

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