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device manager

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Name: J C
Date: June 25, 2002 at 11:36:13 Pacific
Comment:

I was wondering if there was a way or some kind of program that would allow me to manage my devices in DOS like windows device manager?



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Response Number 1
Name: Andrew Ordo
Date: June 25, 2002 at 14:22:51 Pacific
Reply:

Such a program may be theoretically possible, but highly unlikely. The Windows Device Manager is really more of a Plug and Play subsystem/ Windows device driver management tool.

The Windows Device Manager gets much of its information from ACPI, the DMI pool, Plug and Play BIOS, Plug and Play configurations in the flash ROM on Plug and Play devices, the Windows environment, and Windows drivers. Also, it employs PCI steering.

Since DOS and DOS applications talk directly to many devices (without using a driver) or invoke BIOS software interrupt services to run hardware (driver services provided by firmware) combined with the fact that DOS doesn't support PCI steering, I can't imagine that there has ever been or ever will be a real mode DOS counterpart to the Windows Device Manager. Such a tool would not be able to provide reliable information. There isn't even a standard way to detect hardware interrupt settings for ISA devices. (Which is why results obtain from such utilities as Norton Utilities for DOS were not always correct. Such software can only really make very educated guesses.) Even if you could reliably get the hardware configuration information, there wouldn't be much you could do about it.

Theoretically, you could write software to do exactly what you're describing, but you'd wind up re-inventing both Windows and the Device Manager--or at least pieces of them.

A Plug and Play configuration utility for real mode DOS might be more feasible.


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Response Number 2
Name: J C
Date: June 25, 2002 at 14:42:06 Pacific
Reply:

OK, well then maybe this is possible. My video card got accidentally disabled in windows and all I can do is boot to dos, safe mode does not work. Is there a way to enable my videocard from dos?


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Response Number 3
Name: Andrew Ordo
Date: June 25, 2002 at 19:26:55 Pacific
Reply:


Are you able to boot Windows at all in Safe Mode, or are you able to boot Windows in Safe Mode but get no video or garbled video?

If you can't get a VGA display under Windows in Safe Mode, there's something really odd going on. You should be able to boot Windows in Safe Mode and use the generic Windows VGA-compatible display adapter driver.

If this is possible:

1. Boot Windows in Safe Mode

2. Remove all entries for video display adapters

3. Reboot Windows in normal mode. Windows should default to using its generic VGA-compatible display adapter driver. It should also re-detect your video display adapter and install a driver for it or prompt you for choices for installing the driver.

4. Re-install the driver


If the problem is serious enough to prevent you from doing that, you should probably post this in one of the Windows forums.


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