## Physical Device Driver Reference

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### OEMHLP_PCI (0Bh) - Remarks

The Data Packets for each subfunction each contain a byte field for Return Code. This field contains the return code returned from their respective PCI BIOS call. These return codes are described as follows:

Return Code Description
00h Successful
81h Function Not Supported
83h Bad Vendor ID
86h Device Not Found
87h Bad Register Number
Further Reference can be found in the PCI BIOS Specification Revision 2.0.