Device Drivers

PCMCIA SIMATECH SCSI 9000
Hello, I'm looking for a specific driver for XP: pcmcia sima tech scsi9000 I've got the driver for Win95 when i've purchased it, but I can't find any driver for XP. This card works fine with my computer under linux, so why can't it work with windows XP? If anybody knows wher i cant get the magic driver... ... 9 Apr 2008 03:42

IRQL value? DeviceIoControlInterface and other device callback
Hi, It worked, Thanks, I removed the scope parameter, i will handle the request myself now, instead of sequentially. But i wonder, why this explanantion is not available in WDF doc'n, i actually had a doubt & saw the doc'n earlier and since it was not mentioned, i didnt try that. I am new to WDF, do you have ... 9 Apr 2008 14:36

usbprint.sys does not issue ZLPs. Does this bother anyone else
-- J.C. "chris.aseltine(a)gmail.com" wrote: On Apr 8, 1:00 pm, JLC <J...(a)discussions.microsoft.com> wrote: "The Usbser.sys driver does not send zero-length packets when the total transfer size is an integer multiple of the packet size. However, zero-length packets are required by the USB ... 9 Apr 2008 15:26

USB Power Reset
Hello All, I am new to device drivers.... Have a requirement were we need to reset the power of an usb port through software. Tried to search the forums and web and not found a viable solution yet. Any example code would be helpful. Tried the following so far -devcon.exe -CreateFile then DeviceIoControl ... 8 Apr 2008 21:16

Mobile USB device driver
Hi Is there any standard about Mobile phone USB device driver ? How can I write an USB device driver that support data sysnc between mobile phone and PC utility ? Thank you . ... 8 Apr 2008 20:28

Device Manager page
Hi I found some drivers have extra page like utility, how can I write it ? These pages differ from "Advance settings" and they may popup another child page by click button . How can I design it , is it support by DDK ? Thank you . ... 14 Apr 2008 16:59

DTM - Video Driver - Disable Enable with IO
My test is failing this DTM test and I'm not sure exactly what its trying to do. It specifically failing at "The device's Problem Codes (if any) and its Status should not change throughout this test." Try 0 of 3 failed. Waiting 10 seconds. Try 1 of 3 failed. Waiting 30 seconds. Try 2 of 3 failed. Waiting 60 sec... 8 Apr 2008 17:15

usbprint.sys does not issue ZLPs. Does this bother anyone else?
Several vendors of USB MCUs provide multi-packet chained DMA from / to endpoints. For a bulk OUT endpoint, the DMA completion events are (1) all buffers filled, (2) short packet / ZLP received. When usbprint ends a print job with a transfer that's a multiple of 64 (Full speed), the DMAs will hang. This impo... 8 Apr 2008 14:50

modifiy 1394 host controller configuration ROM
Hi, everybody, The SET_LOCAL_HOST_PROPERTIES_MODIFY_CROM request allows the driver to add unit directory entries to the host controller's configuration ROM. Is it possible to modifiy another Block of host controller's configuration ROM, for example Bus_Info Block? thanks in advance, min ... 8 Apr 2008 11:35

IRQL value? DeviceIoControlInterface and other device callbacks
Hi, What will be IRQL value, when the DeviceIoControlInterface function will be called? I thought that it should be at passive level, but when i printed the value, it was showing Dispatch level. I was using some functions to be executed <=Passive level, when i turned on the driver verifier, i got the crash. ... 8 Apr 2008 14:50