[G4] USB2 HD

[Michael Koch]

On Oct 16, 2007, at 22:57, Eric Wood wrote:

> Got to conclude that the StarTech 6 port usb 2 card isn't 100%
> compatible with either your system or with Mac OS X, and I'd be  
> inclined
> to think the latter. Good one to avoid, methinks.
>
> Eric
>
> On Tue, 2007-10-16 at 20:50 -0400, S. Kennedy wrote:
>> I haven't investigated the sleep problems with usb 2 cards but I  
>> do have some experience as follows.  All in a HDD dual 1.25 with  
>> FW 400 and OS 10.3.9. I generally put the computer to sleep  
>> manually when I am not using it.
>>
>> 1.  I installed a StarTech 6 port usb 2 card PCI625USB21
>>
>> 2.  I previously had been using a Belkin 4 port USB 1 powered hub.
>>
>> 3.  I started having kernel panics sometimes upon sleep.
>>
>> 4.  I took the hub out of service and connected everything to the  
>> available ports on the rear of the computer.  The kernel panics  
>> stopped but then upon sleep one of two things sometimes happened.  
>> (a) computer would freeze after shutting off monitor and before  
>> cpu sleep and had to be shutdown with the start up button. (b)  
>> computer could not be awakened after sleep requiring the same hard  
>> shut down.
>>
>> 5.  I noticed that the item 4 problems occurred when I had bus  
>> powered hardware attached.  By remembering to disconnect any bus  
>> powered items before sleep the problem has not occurred again. My  
>> HP 3050 aio and my Canon i9100 printers have not caused any  
>> problems as far as I know.  My card reader and my iMic both do  
>> cause problems.  I haven't tested my Canon bus powered scanner as  
>> yet.
>>
>> There are a many variables involved and I haven't spent a lot of  
>> time checking out logs or anything else since all seems to be fine  
>> with the noted precautions taken.  I hope my observations might  
>> help someone on the list.  Hopefully upgrading the OS will fix all  
>> of these problems.
>>
>> S. Kennedy
>>
>> On Mon, 15 Oct 2007 22:07:40 -0400, Michael Koch wrote:
>>>
>>> This card is native with OS X.4 ( in a MDD 1.25Gh)
>>> no sleep problems; REALLY was plug and play
>>> got it from the HP site for $ 15.00
>>>>> installed a usb 2 card  from "StarTech.com"
>>>>> is recognized by mac os
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>
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The 4 port USB card is Mac compliant;
there are reports of the 6 port card having problems !
check the feed back on the cards.

have a nice day
Michael Koch
mkoch at ncwcom.com