#include <stdio.h>
void main()
{
    char * addr = (char *) 0xF000EC71;
    printf ("Read data = %s\n", addr);
/* или так:
    int * addr = (int *) 0xF000EC71;
    printf ("Read data = %d\n", * addr);
*/
}

SP>#include <stdio.h>
SP>void main()
SP>{
SP>    char * addr = (char *) 0xF000EC71;
SP>    printf ("Read data = %s\n", addr);
SP>/* или так:
SP>    int * addr = (int *) 0xF000EC71;
SP>    printf ("Read data = %d\n", * addr);
SP>*/
SP>}
SP>

0xC0000000:0xFFFFFFFF — Регион размером 1Гб для драйверов виртуальных устройств, диспетчера памяти и кода файловой системы; доступен всем Win32 процессам для чтения и записи (но лучше туда ничего не записывать).

0x80000000:0xFFFFFFFF — Регион размером 2Гб для операционной системы (не доступен)

On Error Resume Next
strComputer = "."
Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
Set colItems = objWMIService.ExecQuery("Select * from Win32_BaseBoard",,48)
For Each objItem in colItems
    Wscript.Echo "Caption: " & objItem.Caption
    Wscript.Echo "ConfigOptions: " & objItem.ConfigOptions
    Wscript.Echo "CreationClassName: " & objItem.CreationClassName
    Wscript.Echo "Depth: " & objItem.Depth
    Wscript.Echo "Description: " & objItem.Description
    Wscript.Echo "Height: " & objItem.Height
    Wscript.Echo "HostingBoard: " & objItem.HostingBoard
    Wscript.Echo "HotSwappable: " & objItem.HotSwappable
    Wscript.Echo "InstallDate: " & objItem.InstallDate
    Wscript.Echo "Manufacturer: " & objItem.Manufacturer
    Wscript.Echo "Model: " & objItem.Model
    Wscript.Echo "Name: " & objItem.Name
    Wscript.Echo "OtherIdentifyingInfo: " & objItem.OtherIdentifyingInfo
    Wscript.Echo "PartNumber: " & objItem.PartNumber
    Wscript.Echo "PoweredOn: " & objItem.PoweredOn
    Wscript.Echo "Product: " & objItem.Product
    Wscript.Echo "Removable: " & objItem.Removable
    Wscript.Echo "Replaceable: " & objItem.Replaceable
    Wscript.Echo "RequirementsDescription: " & objItem.RequirementsDescription
    Wscript.Echo "RequiresDaughterBoard: " & objItem.RequiresDaughterBoard
    Wscript.Echo "SerialNumber: " & objItem.SerialNumber
    Wscript.Echo "SKU: " & objItem.SKU
    Wscript.Echo "SlotLayout: " & objItem.SlotLayout
    Wscript.Echo "SpecialRequirements: " & objItem.SpecialRequirements
    Wscript.Echo "Status: " & objItem.Status
    Wscript.Echo "Tag: " & objItem.Tag
    Wscript.Echo "Version: " & objItem.Version
    Wscript.Echo "Weight: " & objItem.Weight
    Wscript.Echo "Width: " & objItem.Width
Next

SP>#include <stdio.h>
SP>void main()
SP>{
SP>    char * addr = (char *) 0xF000EC71;
SP>    printf ("Read data = %s\n", addr);
SP>/* или так:
SP>    int * addr = (int *) 0xF000EC71;
SP>    printf ("Read data = %d\n", * addr);
SP>*/
SP>}
SP>

 VMMCall _MapPhysToLinear, <PhysAddr, nBytes, flags>

 mov   (e)ax, 800h
 mov   (e)cx, 0E000h
 mov   (e)bx, 0F000h
 mov   (e)di, 1000h
 xor   (e)si, (e)si
 int    31h

The PhysicalMemory property gives the size of the installed RAM in Megabytes

Caption: Основная плата
CreationClassName: Win32_BaseBoard
Depth:
Description: Основная плата
Height:
HostingBoard: Истина
HotSwappable:
InstallDate:
Manufacturer: ASUSTeK Computer INC.
Model:
Name: Основная плата
OtherIdentifyingInfo:
PartNumber:
PoweredOn: Истина
Product: P2B-F
Removable:
Replaceable:
RequirementsDescription:
RequiresDaughterBoard:
SerialNumber: MB-1234567890
SKU:
SlotLayout:
SpecialRequirements:
Status:
Tag: Base Board
Version: REV 1.xx
Weight:
Width:

:PEEK d 0xfffFEC00
0x00000000   00000000000000000000000000000000   0
:PEEK d 0xfffFE000
0x72617741   01110010011000010111011101000001   1918990145
:PEEK d 0xfffFEA00
0x00000000   00000000000000000000000000000000   0
:PEEK d 0xfffFEAFF
0x00000000   00000000000000000000000000000000   0
:PEEK d 0xfffFE004
0x6F422064   01101111010000100010000001100100   1866604644
:PEEK d 0xfffFE008
0x6C42746F   01101100010000100111010001101111   1816294511
:PEEK d 0xfffFE00A
0x636F6C42   01100011011011110110110001000010   1668246594
:g

02/06/2002-i815E-W83627H-6A69RA1KC-7U

void Asm(char * num)
{
  char     mb[40];
  int     i = 0;
  char    nm;
  asm  push ax
  asm  push ds
  asm  push si
  asm  push cx

  asm      mov    ax,             0xF000
  asm      mov     ds,             ax
  asm      mov     si,             0xEC71
  asm   mov    cx,             40
  asm   cld
Repiat:;
  asm   lodsb
  asm      mov    [nm],            al
  mb[i] = nm;
  ++i;
  asm   or    al,            al
  asm    jne    Repiat

  Exit:;
  asm  pop cx
  asm  pop si
  asm  pop ds
  asm  pop ax
  strcpy(num, mb);
}

МЧ>>02/06/2002-i815E-W83627H-6A69RA1KC-7U
МЧ>>

LARGE_INTEGER offset={0,0};

LARGE_INTEGER offset={0x0F0000,0};

((const BYTE*)base)+0xEC71

OverlayBios64Kb:
;R136 - start
ifdef    ICH
        dd    0ffb00000H    ;32-bit low address
        dd    0        ;32-bit high address
        dd    5*1024*1024     ;32-bit length low dword
        dd    0        ;32-bit length high dword
        dd    MEM_RESERVED    ;remapped system bios at end of addr.
else;    ICH
;R136 - end
        dd    0ffff0000H    ;32-bit low address
        dd    0        ;32-bit high address
        dd    64*1024        ;32-bit length low dword
        dd    0        ;32-bit length high dword
        dd    MEM_RESERVED    ;remapped system bios at end of addr.
endif;    ICH                ;R136

OverlayBios64Kb:dd    0ffff0000H    ;32-bit low address
        dd    0        ;32-bit high address
        dd    64*1024        ;32-bit length low dword
        dd    0        ;32-bit length high dword
        dd    MEM_RESERVED    ;remapped system bios at end of addr.

В.Л.Григорьев "микропроцессор i486. Архитектура и программирование" в 4 книгах, книга 1. стр. 267-270...
ISBN 5-900676-01-3 (c) ТОО "ГРАНАЛ" 1993 г.