h6. [[PCI]] h6(. » [[PCI SWI Calls|SWI Calls]] h6(((. » PCI_ReadID h2. PCI_ReadID h5. (SWI &50380) |_<^{width:4em}. Entry | | |<^. R3 |<^. [[Using PCI Devices|Function handle]] | |_<^{width:4em}. Exit | | |/2<^. R0 |<^. Vendor ID (bits 0 – 15)| |<^. Device ID (bits 16 – 31)| |/2<^. R1 |<^. Subsystem Vendor ID (bits 0 – 15)| |<^. Subsystem ID (bits 16 – 31)| |<^. R3 |<^. Preserved ? | h4. Use The purpose of this call is to returns the device and vendor information for the given PCI device. h4. See also * [[PCI_ReadInfo]]