Device Drivers

Default disk to "Optimize for quick removal"
I have a SCSI attached removable disk drive. In the XP device manager Policies tab, the options are grayed out and "Optimize for performance" is selected. Is there a way to default the drive to "Optimize for quick removal" instead? ... 28 Apr 2008 05:52

How to send mouse inputs to a specific window via implementation of driver?
Hi, I know I can achieve the same thing with sendmessage() and postmessage() in most cases. But, I'm dealing with a graphical simulation program that seems to be reading mouse inputs directly on the hardware level. How can I go about simulating mouse movements/clicks in that app/ window? (the graphical progra... 3 Apr 2008 09:27

Hardware ID of USB port ?
Hi I want to develop an c++ application which display hardware id of usb port. Please give me some suggestion on this topic.If possible than please send some code. Thank you ... 3 Apr 2008 15:44

NDIS buffers and packet header data
Hi I'm writing a miniport NDIS driver with a coworker offsite. He is seeing packets arrive in two buffers (1 with eth+ip+tcp header, 1 with data) whereas I am seeing four buffers (1 with eth, 1 with ip, 1 with tcp, 1 with data). I guess it's safe to assume there are no guarantees, but what determines how the... 2 Apr 2008 23:02

Common Scenario Stress With IO
Is there a standalone tool in the WDK that I can run to do the same thing that this DTM job does? I'd like to run this on my driver well before I set everything up for DTM. I ran pnpdtest.exe, but it looks like this DTM job does much more. Thanks! ... 4 Apr 2008 07:31

SMBUS
We are developing a product that uses a chip with SMBus support throughh the PCI-E connector. I would like to add support for this in my filter driver. I have yet to access SMBus through windows, where can I find information on this. ... 2 Apr 2008 18:32

Assertion failed: Miniport->MiniportSGDmaBlock == NULL
Hi! Is it possible for a miniport driver to allocate more than one DMA handles? We are working with a device that supports a multi-function device and would like to separate DMA access bewteen these functions by using separate DMA handles. While this appears to work with free-build NDIS, I see the checked ND... 14 Apr 2008 03:52

MmMapLockedPagesSpecifyCache doubt
In MmMapLockedPagesSpecifyCache what is the importance of CacheType. I am not clear. Thanks in advance ... 3 Apr 2008 02:23

Serial over usb driver pb
Hello guys, I am trying to implement the usb cdc acm to do serial over usb on the device side. But I ve got some pb. When I try to connect to my device with Hyperterminal it dont want to connect after a 10 15s freeze. When I used a trace tools to see whats gone I saw that Hypertterminal do all this request : ... 2 Apr 2008 10:03

use symbolic name to open a USB device
In AddDevice function of my USB device kernel mode driver, I called both IoCreateSymbolicLink(..symbolicName1..) and IoRegisterDeviceInterface() after IoCreateDevice(). so my device will have 2 symbolic names - one is symbolicName1 defined myself by IoCreateSymbolicLink and another one is system generated (some... 3 Apr 2008 15:44