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WDM Modem INF Entries for Windows 2000 and Later Operating Systems

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The Windows Driver Modem (WDM) is the standard driver model on Windows 2000 and later operating systems. This topic describes INF file entries for WDM based modem drivers. For more general information about WDM, see Windows Driver Model.

Use standard INF file entries to install WDM modem drivers on Windows 2000 and later versions of the operating system. The examples in this section are based on installing a USB-based modem. For general information about INF files for modems, see Overview of Modem INF Files.

To support WDM modem device drivers on Windows 2000 and later versions

  1. The model section should identify the hardware ID of the modem as demonstrated in the following example:

    [Manufacturer]
%Microsoft% = Microsoft

[Microsoft]
%Modem3% = Modem3, USB\VID_04C1&PID_0082

  2. Specify the drivers to load as demonstrated in the following example:

    [Modem3.NT.Services]
AddService=usbser, 0x00000000, LowerFilter_Service_Inst

[LowerFilter_Service_Inst]
DisplayName=%USBFilterString%
ServiceType= 1
StartType  = 3
ErrorControl = 0
ServiceBinary = %12%\usbser.sys

  3. Specify any files to copy using the CopyFiles directive, as demonstrated in the following example:

    [Modem3.NT]
DriverVer=5/13/1999
include=MDMGL007.INF,mdmgl004.inf,mdmgl001.inf
CopyFiles=USBModemCopyFileSection
AddReg = All,MfgAddReg,Modem2.AddReg, EXTERNAL

[USBModemCopyFileSection]
usbser.sys,,,0x20

  4. Specify any additional registry entries as demonstrated in the following example:

    [Modem3.NT.HW]
AddReg=LowerFilterAddReg

;USB
[LowerFilterAddReg]
HKR,,"LowerFilters",0x00010000,"usbser"

 

 

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