![]() ISA bus), OSPM enumerates the devices’ identifier(s) and the ACPI systemįirmware must supply an _HID object (plus one or more optional objects Object that specifies a device’s unique persistent ID, or a control method that generates it.įor any device that is on a non-enumerable type of bus (for example, an Object that contains a Unicode identifier for a device. ![]() Object that evaluates to the slot-unique ID number for a slot. Object that evaluates to a device’s Plug and Play subsystem ID. Object that provides physical location description information. Object that provides a human readable description of a device in multiple languages. Object that evaluates to an integer hardware revision number. Object that evaluates to a device’s Plug and Play hardware ID. Object that associates a logical software name (for example, COM1) with a device. Object that evaluates to a package of coded device-class information. Object that evaluates to a device’s Plug and Play-compatible ID list. Object that evaluates to a device’s address on its parent bus. Objects are listed in the table below: Table 6.1 Device Identification Objects ¶ ![]() Device identification objects associate each platform device with a PlugĪnd Play device ID for each device. ![]()
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