I am using DrvTextOut to capture the text information. However, whenever I type anything on any editor I first get a DrvBitBlt which gives the co-ordiante of the entire client area of the editor as...

Hi, I want to read EDID data using VideoPortInt10 function. unsigned char EdidBuffer; biosArguments.Eax = 0x4f15; biosArguments.Ebx = 0x1; biosArguments.Ecx = 0x0; biosArguments.Edx =...

I am trying to install a printer on XP using an inf file, however I have to change the following registry key "PortName"="LPT1:" to a different portname or else the installation of the inf fails...

Hi! I have a problem with porting driver(none plug and plug driver) from w2k(nt) to w2k3. We used ntddk when developing w2k product. I am going to porting this product to w2k3 using w2k3...

hi: When I press "Update Driver" in the device manager,it no response to me. What happened? My driver is not pass WHQL and I got a message "not a authentic driver code" from setupapi.log. If I pass...

Hi All, Is it possible to use somehting like Mutex or Spinlock in a ISR rountine to lock a buffer/variable? I read DDK, and it said that ExAcquireFastMutex and KeAcquireSpinLock can only run at...

Hi I have a WinXP WDM PCI kernel driver. No problem there. When I restart my firmware, and thus reinitialize the PCI interface ( this is done often during development ) I manually need to disable...

I am developing software for a custom HID device. I am having some problems with an application that I believe might be related to the driver. I have tested on several Win2K SP4 machines and a...

The MiniportReset test checks that connection state is restored after reset, and gives the driver 500 ms to restore connection ( script : 1c_reset.wsf, line 195 in ndistest 4.3.30). What if this is...

Hello! Can somebody confirm or contradict these three statements: 1) ZwLoadDriver() interface remains unchanged from Win2000 to a latest Win2003 (or to which version as you know?) 2) It's...

i'm developing a data collecting card using the 1394 bus interface,and the windows system is win2000 or winXP.i've written a driver according to your sample "1394diag",it can work well in win2000...

Thanks for previous help message. But if my driver has not any upper driver and not any lower driver. How I may write PNP and Power dispatch routines? Thanks.

Thanks for previous help message. But if my driver has not any upper driver and not any lower driver. How I may write PNP and Power dispatch routines? Thanks.

Hello, may somebody advices me. If driver doesn't provide some hardware devices and provide only some monitoring, must has this driver object PNP & Power dispatch routines? Thanks.

Hi gurus I have a virtual port up and running, seems to install and work fine. Problem is, that ex HyperTerminal expects an registry entry HKLM / HARDWARE / DEVICEMAP / SERIALCOMM / COMx How is...