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The ground wire connection to the P24 ground did it

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rickmcinnis@dogwoodfabrics.com

In Reply to: RE: Thanks for the dialogue posted by rickmcinnis@dogwoodfabrics.com on January 01, 2011 at 11:11:35

That was really driving me crazy.

Of course, it is/was obvious.

Before I was using a separate GRANITE supply for the HDD and I guess that explains why I was never able to get this to work then.

It will be interesting to see if this eliminates the BIOS instability.

Thanks, again,

Follow Ups:

RE: The ground wire connection to the P24 ground did it - GStew 18:41:11 01/01/11 (6)
Welcome... and same to you!

Your BIOS instability does not surprise me. I noticed something similar on stability when I went to the fully-linear supply from the Pico-PSU-based linear-hybrid one... I could run a step or two lower in voltage.

Also on the grounding, when I was tracing out the USB power connection last night, I noticed that the ground pin on the USB cable side of the Molex plug had pulled out (I HATE those connectors... I bet there's a good sonic upgrade available in replacing them!) and was not making contact. I pushed it back in and made sure my wire dressing and component placement (especially HDD) was right... and when I re-booted the system, the sonic 'robustness' through the lower midrange & sense of dynamics & 'bounciness' that had been missing for a couple of weeks and that I assumed was due to Alan Maher CBT's & AC filter chokes breaking in came back. They were (and still are) breaking in... but it was not just that.

I definitely need to setup better ground routing on my 'dirty' connections... I did it very haphazardly back then.

Very glad that the grounding fixed your USB mouse issue.

Later!

Greg in Mississippi
Everything matters!
- RE: The ground wire connection to the P24 ground did it - Jolida 11:42:44 01/15/11 (5)
  I have configured my pc to use cMP as per the recommendations on the site. Implied Minlogon as well. But since last evening, none of the USB ports work. If I connect my USB hdd, it gets powered but does not appear in "My Computer", nor does the wireless mouse work. What has gone wrong???
  - RE: The ground wire connection to the P24 ground did it - Mihaylov 18:47:10 01/15/11 (4)
    Read, please, more attentively "Step 4 � disable unused USB hubs & controllers" here http://www.cicsmemoryplayer.com/index.php?n=CMP.07Optimisations. Probably you disabled the necessary usb ports.
    http://cmp2-mihaylov.narod.ru/
    - RE: The ground wire connection to the P24 ground did it - Jolida 04:51:59 01/16/11 (3)
      No. All USB ports are enabled. When I connect my USB hard disk it powers up, but it does not get recognised in windows. So does the wireless mouse. They worked fine just a day earlier...
      - RE: The ground wire connection to the P24 ground did it - Ryelands 07:31:35 01/16/11 (2)
        
        In Reply to: RE: The ground wire connection to the P24 ground did it posted by Jolida on January 16, 2011 at 04:51:59
        
        When I connect my USB hard disk, it powers up but it does not get recognised in windows.
        
        If all the USB ports are definitely enabled, you could try re-enabling the Logical Disk Management service (assuming of course you have disabled it) and taking a look at what it reports. If LDM sees the drive but Windows in general doesn't, it's a known Windows bug (that will certainly, definitely be fixed in SP106).
        
        Change the drive letter [Action > All Tasks > Change Drive Letters] and try again. I get this all the time when hooking backup drives in and out of various boxes.
        
        If that doesn't work (and to help retrieve your mouse), go into Device Manager and see if the devices are recognised there. At least until you retrieve the thing, I'd be minded to use a wired mouse.
        
        You should see the drive under Disk drives , the mouse under Mice and other pointing devices and both under Universal Serial Bus controllers .
        
        They worked fine just a day earlier...
        
        That's probably why you didn't post a day earlier . . . :)
        
        BTW, have you checked that the HDD works fine on a different computer?? Especially as it's bus-powered, I'd be minded to check. Bus-powered drives can be moody.
        
        HTH
        
        Dave
        
        RE: The ground wire connection to the P24 ground did it - Jolida 07:45:53 01/16/11 (1)
        
        In Reply to: RE: The ground wire connection to the P24 ground did it posted by Ryelands on January 16, 2011 at 07:31:35
        
        Yes the hdd works perfectly fine on my other computers. I will do as u said & post back...
        
        RE: The ground wire connection to the P24 ground did it - Jolida 10:52:56 01/16/11 (0)
        
        In Reply to: RE: The ground wire connection to the P24 ground did it posted by Jolida on January 16, 2011 at 07:45:53
        
        Just connected a USB pendrive to the port ( flash drive). It performs normally, but the USB hdd does not. The USB root hub has reserved only 200ma for each port. Seems too low I guess. Can this be the cause??

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