BIOS32

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BIOS32

Introduction

BIOS32 is a method for calling BIOS services directly from 32 bit Protected Mode. It is mainly used for PNP and PCI services.

Interface

Locating

The BIOS32 Service Directory is located on a paragraph (16 Byte) boundary in the physical memory region 0xE0000-0xFFFFF. It starts with a 4 byte signature of "_32_" (0x5F32335F)

Structure

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See Also

On the Wiki

PCI

External references

Phoenix BIOS 32-bit service proposal