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I'm pretty sure Serial ATA only supports point-to-point links, it is not a bus. Therefore yes, since each controller port only talks to one drive, the problem disappears.
Intel's current ICH6 I/O Controller Hub chip implements four SATA ports. Most add-in cards also offer four ports, I believe.
Stability. What an interesting concept. -- Chris Maunder
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Thats what I thought.
Thanks.
...time to play.
George Carlin wrote:
"Don't sweat the petty things, and don't pet the sweaty things."
Jörgen Sigvardsson wrote:
If the physicists find a universal theory describing the laws of universe, I'm sure the a**hole constant will be an integral part of that theory.
My Blog[^]
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Really cheap! Do you think this is a self-service store?
Don't try it, just do it! 
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Now the USB harddisk could not be recognized by the system.
How to repair it?
Thanks!
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It should still be recognized.
Try replugging it into a different USB-port and into a different computer (using proper dismounting). This could be the solution to your problem.
If it is not, you have probably killed the indizes or partition tables. That happens when you unplug an USB-HDD while it is writing.
You may also have fried the USB-to-IDE bridge, which sits between the built-in HDD and your computer.
You might want to try to use the Administration panel (right-click on the "my computer" icon) to re-partition the drive. That is the quickest solution if there is no important data to recover. If there IS important data to recover, try using a different USB-to-IDE bridge and/or plug the drive directly into a IDE-channel and try reading it from there.
If its recognized, but not accessible, a disaster-recovery tool might help. AFAIR, SpinRite (www.grc.com) can recover destroyed indizes and tables.
Cheers,
Sebastian
--
Contra vim mortem non est medicamen in hortem.
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I want to write a program in VB.Net which accesses my computer's COM-Ports. While using windows 98 this is no problem, because there's a DLL which I can use.
While using XP this is not possible because of HAL (Hardware Abstraction Layer).
I already know that with HAL, it is possible to access COM-Ports by open a file. The problem is that I don't just need the TXD/RXD port but also ports like RI or RTS.
How can I manage this?
(Maybe there are drivers who create a virtual COM port and translate it to HAL to use the real port?)
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http://msdn.microsoft.com/msdnmag/issues/02/10/NETSerialComm/default.aspx
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No, you can't access the serial ports by simply using IN/OUT instructions as you may have done in DOS. On XP, those I/O ports are restricted to supervisor mode (the kernel). You must use the serial communications APIs. Unfortunately this is one of the less-well documented areas of the Win32 API.
To be notified when the Ring Indicator or Clear-To-Send (i.e. the PC's view of the other end's Ready-To-Send line), use the WaitCommEvent[^] API.
Stability. What an interesting concept. -- Chris Maunder
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Thanks to you, I've now found a way to use the PORT.dll with WinXP as well, and it's nearly the same as with win89: You just have to set the outports to 0 at the beginning.
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I've never heard a thing like this.
Windowsupdate does never change hardware settings if the user does not select driver updates from windowsupdate.
Don't try it, just do it!
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As long as you don't accept any driver updates you should be alright. I foolishly accepted a new driver from Microsoft once for my wireless card, and it caused the card to cease working, and the computer to become unstable. Fortunately, XP now has the Restore function - you could make a restore point, then do an update. If anything breaks, you should be able to roll it back. As far as I've seen, there is no check for signing after you have installed a driver, and you should not have a problem with XP trying to remove an unsigned driver.
"...putting all your eggs in one basket along with your bowling ball and gym clothes only gets you scrambled eggs and an extra laundry day... " - Jeffry J. Brickley
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Hi:
One of my friends PC was mysteriously showing this message while I observed some diagnostics on the same:
Driver not installed and an exclamation mark apperaed.
It is running Windows XP Professional.
Is there any drivers for USB Host Controller etc?
Deepak Kumar Vasudevan
Personal Web: http://vdeepakkumar.netfirms.com/
I Blog At: http://deepak.blogdrive.com/
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Isn't the USB host controller driver a part of windows XP?
Don't try it, just do it!
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If its builtin USB go to PC manufacturer's website or motherboard manufacturer's website and download the specific drivers. If its an addon PCI card check the chip name/model, go to the card manufacturer's website and download drivers.
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How do bios drivers work?
I want to do some but don't know how?
Wich language should I use?
I know C++, C#, but only a little asm...
I want to simulate a keybord and a mouse with it.
The PROgrammer Niklas Ulvinge aka IDK
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Bios driver?? You mean a new firmware for the bios or what?
Don't try it, just do it!
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I didn't know very much when I wrote that...
What I now know is that I want to do an
io kernerl drivers.
I want to do a keyboard driver but don't
know how...
I think need the Windows DDK...
I want to do it for win 95 and then I
need win 95 ddk but it doesn't exist...
I read that it did in one place but none
other.
Where can I find it?
The PROgrammer Niklas Ulvinge aka IDK
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i think you also need lots of studies on hardwares to do such things...
BIOS is not made by every one, it is made by the MotherBoards constructors !!!
and looking at your level, i'm quite sure you're not such an experienced engineer...
TOXCCT >>> GEII power
[toxcct][VisualCalc]
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I've done some reasearch and I now know what I need to know.
The things I'll have to do is to do a driver that takes input from
an input and then put it in memmory.
Not to hard to do with a driver.
I realise I don't have to do a bios.
The PROgrammer Niklas Ulvinge aka IDK
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Niklas Ulvinge wrote:
I realise I don't have to do a bios.
i hope so !  BIOS is there only to manage - let's say - the I/O of the mainbaord...
cheers,
TOXCCT >>> GEII power
[toxcct][VisualCalc]
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