Lenovo ThinkPad 560E TP 560Z Technical Reference Manual - Page 67

Information Word, Real Mode Entry Point, bit or 32-bit Protected Mode Entry Point

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Information Word This area identifies the BIOS service level defined below. Information Word Bit : Real/V86 mode interface support Bit 1 : 16-bit protected mode support Bit 2 : 32-bit protected mode support Bits 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 or 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 64 KB. ThinkPad 560Z SMAPI BIOS A-5

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Information Word
This area identifies the BIOS service level defined
below.
Information Word
Bit ²
: Real/V86 mode interface support
Bit 1
: 16-bit protected mode support
Bit 2
: 32-bit protected mode support
Bits 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 or 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 64 KB.
ThinkPad 560Z SMAPI BIOS
A-5