IBM 560E Information Word, Real Mode Entry Point, 16-bit/32-bit Protected Mode Entry Point

Information Word

This area identifies the BIOS service level defined below.

Information Word

Bit ð : Real/V86 mode interface support

Bit 1 : 16-bit protected mode support

Bit 2 : 32-bit protected mode support

Bit 3-15 : Reserved

Real Mode Entry Point

The entry point is specified in segment, offset format. Clients using Real/V86 mode can use this area for the far-call value.

16-bit/32-bit Protected Mode Entry Point

The code base code address specifies the physical address for this BIOS, and the client must prepare the selector for this BIOS. The length should be 64KB.

ThinkPad 560/560E SMAPI BIOS A-5