Intel Extensible Firmware Interface - Manual (Page 347)

Protocols — Console Support
Version 1.10 12/01/02 10-53
Table 10-6. Serial Mouse Device Path (continued)
Byte
Offset Byte
Length
Data
Description
0x0C 0x01 0x01 Generic Device Path Header – Type Hardware Device Path
0x0D 0x01 0x01 Sub type – PCI
0x0E 0x02 0x06 Length – 0x06 bytes
0x10 0x01 0x00 PCI Function
0x11 0x01 0x07 PCI Device
0x12 0x01 0x02 Generic Device Path Header – Type ACPI Device Path
0x13 0x01 0x01 Sub type – ACPI Device Path
0x14 0x02 0x0C Length – 0x0C bytes
0x16 0x04 0x41D0,
0x0501
_HID PNP0501 – 0x41D0 represents a compressed string ‘PNP’ and is in
the low order bytes.
0x1A 0x04 0x0000 _UID
0x1E 0x01 0x03 Generic Device Path Header – Messaging Device Path
0x1F 0x01 0x0E Sub type – UART Device Path
0x20 0x02 0x13 Length – 0x13 bytes
0x22 0x04 0x00 Reserved
0x26 0x08 1200 Baud Rate
0x2E 0x01 0x08 Data Bits
0x2F 0x01 0x01 Parity
0x30 0x01 0x01 Stop Bits
0x31 0x01 0x02 Generic Device Path Header – Type ACPI Device Path
0x32 0x01 0x01 Sub type – ACPI Device Path
0x33 0x02 0x0C Length – 0x0C bytes
0x35 0x04 0x41D0,
0x0F01
_HID PNP0F01 – 0x41D0 represents a compressed string ‘PNP’ and is in
the low order bytes.
0x39 0x04 0x0000 _UID
0x3D 0x01 0xFF Generic Device Path Header – Type End of Hardware Device Path
0x3E 0x01 0xFF Sub type – End of Entire Device Path
0x3F 0x02 0x04 Length – 0x04 bytes