-->

This topic describes the device-specific registry entries.

For composite devices, use USB Generic Parent Driver (Usbccgp.sys) that creates physical device objects (PDOs) for each function. For non-composite devices or a function of a composite device, use WinUSB (Winusb.sys). If you are installing USB drivers: You do not need to download USB device class drivers. They are installed automatically. Palm OS Since the introduction of the first Palm Pilot in 1996, the Palm OS platform has defined the trends and expectations for mobile computing - from the way people use handhelds as personal organizers to the use of mobile information devices as essential business tools, and even the ability to access the Internet or a central corporate database via a wireless connection.

Find device information after it enumerates on Windows

Palmsource Input Devices Driver

View the device interface GUID, Hardware Id, and device class information about your device

1. Find this registry key and note the DeviceInstance value:

   HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlDeviceClasses

2. Find the device instance registry key and get the device interface GUID:

   HKEY_LOCAL_MACHINESYSTEMCurrentControlSetEnumUSB<hardware id><instance id>Device Parameters

3. Under the device instance key, note the device class, subclass, and protocol codes:

   HKEY_LOCAL_MACHINESYSTEMCurrentControlSetEnumUSB

Registry settings for configuring USB driver stack behavior

Huawei mobile connect usb device driver windows 10. The registry entries described in this topic are found under this key:

Deif a/s driver download for windows. In the vvvvpppprrrrr key,

Palmsource Input Devices Drivers

• vvvv is a 4-digit hexadecimal number that identifies the vendor
• pppp is a 4-digit hexadecimal number that identifies the product
• rrrr is a 4-digit hexadecimal number that contains the revision number of the device.

The vendor ID, product ID, and revision number values are obtained from the USB device descriptor.The following table describes the possible registry entries for the vvvvpppprrrrr key. The USB driver stack considers these entries as read-only values.

Palmsource Input Devices Driver Device

Registry entry	Description	Possible values
osvc REG_BINARY Supported on Windows XP and later versions.	Indicates whether the operating system queried the device for Microsoft-Defined USB Descriptors. If the previously-attempted OS descriptor query was successful, the value contains the vendor code from the OS string descriptor.	0x0000: The device did not provide a valid response to the Microsoft OS string descriptor request. 0x01xx: The device provided a valid response to the Microsoft OS string descriptor request, where xx is the bVendorCode contained in the response.
IgnoreHWSerNum REG_BINARY Supported on Windows Vista and later versions.	Indicates whether the USB driver stack must ignore the serial number of the device.	0x00: The setting is disabled. 0x01: Forces the USB driver stack to ignore the serial number of the device. Therefore, the device instance is tied to the port to which the device is attached.
ResetOnResume REG_BINARY Supported on Windows Vista and later versions.	Indicates whether the USB driver stack must reset the device when the port resumes from a sleep cycle.	0x0000: The setting is disabled. 0x0001: Forces the USB driver stack to reset a device on port resume.

Palmsource Input Devices Driver Touchpad

Related topics