P45 Diamond issue with USB at boot.

Question

Hi everyone.
It's Felipe from Chile again.  I wait for everyone of you are doing fine.  Maybe some of you would remember me about my last issue with my last motherboard https://forum-en.msi.com/index.php?topic=121186.0.  The good thing is that problem is completely solved and the store changed my motherboard for an MSI P45 Diamond paying the difference in money.
I would be experience some little problems with this motherboard and I really would like you to help me.
I have an ASDL Modem USB Zyxel 630-C1, which I connect through Internet.  My problem is, every time Windows starts up, I have to manually unplugged it and plug it again, for the O.S. to detect it. Either way, the System would not let me to connect to Internet.
I though the problem was because of the driver and Windows Vista, but I did a fresh copy of Windows XP Pro and I experience same problems. I asked my ISP for the last driver and he told me where to download them, but didn't fix the problem.
I think, it could be a problem of USB Leggacy Support but I tried to change it disabled-to-enabled and biceversa but I couldn-t make it work.
When my last motherboard MSI X48C I didn-t experienced this problem, but with this P45 Diamond the problem is present.
What I need is, the system detect my USB modem with no need to unplug it and plug it every time I boot on Windows.
Would you some of you, maybe recommend me something, please
I wait for your reply.
And thanks again.

Answer 1

Hello BOSSKILLER:
These are the answers for your questions:
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Is it 32 or 64 bit Vista?
My Windows Vista Ultimate 32 bit English, Service Pack 1.
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Do you use backside mainboard USB ports?
I tried with backside USB port, then frontal USB and then I tried at the USB from the 1394+USB Bracket.
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Any USB power hubs in use?
I do not have any USB Hubs.
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What BIOS is onboard?
My actual BIOS, is I said in the second post, v1.1 06162008. (I've never flashed and it comes with this version)
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Do you use chipset drivers from Intel site?
I'm not quite sure about this question.  The only thing I installed are:
Intel INF Drivers for P3x/P4x/G3x/G4x Chipsets (from http://global.msi.com.tw/index.php?func=downloaddetail&type=driver&maincat_no=1&prod_no=1478)
Creative Sound Blaster X-Fi Xtreme Audio (From the CD included)
(I also installed Realtek PCI-E Ethernet Drivers from the same MSI web page, but I'm not using them, so I disabled both from BIOS.)
About the chipset driver from Intel site, I entered http://downloadcenter.intel.com/Product_Filter.aspx?ProductID=816 then I selected Windows Vista* Ultimate, 32 bit version, pressed the Go button, from the Download Center I access Chipset, but there I'm not sure what should I select, can you tell me what shoud I download from there, or maybe that site is not he adequate.
Thanks again and I wait for your repply.