Wenn der neue PC den gleichen Chipsatz hat: ja. Wenn nicht, nur mit tricksen. Erstelle dir eine Batchdatei mit beliebigem Namen mit folgendem Inhalt:
          @echo off
          if "%1"=="" goto noarg
          set ctdir=%1:\i386
          goto tryit
          
          :noarg
          set ctdir=%SystemRoot%\Driver Cache\i386
          
          :tryit
          if exist "%ctdir%\driver.cab" goto isda
          echo *** Datei %ctdir%\Driver.cab nicht gefunden ***
          echo.
          echo Bitte legen Sie Ihre Windows-XP-Installations-CD ein und rufen Sie danach
          echo dieses Programm erneut auf, wobei Sie den Laufwerksbuchsten Ihres CD-ROM-
          echo Laufwerks als Parameter angeben. Der Befehl sollte also beispielsweise
          echo.
          echo %0 D
          echo.
          echo lauten, wobei Sie das D gegebenenfalls durch den Laufwerksbuchstaben
          echo Ihres CD-ROM-Laufwerks (ohne Doppelpunkt) ersetzen müssen.
          echo.
          goto raus
          
          :isda
          echo Extrahiere Treiberdateien...
          expand>NUL "%ctdir%\driver.cab" -f:Atapi.sys "%SystemRoot%\System32\Drivers"
          if errorlevel 1 goto fehler1
          expand>NUL "%ctdir%\driver.cab" -f:Intelide.sys "%SystemRoot%\System32\Drivers"
          if errorlevel 1 goto fehler1
          expand>NUL "%ctdir%\driver.cab" -f:Pciide.sys "%SystemRoot%\System32\Drivers"
          if errorlevel 1 goto fehler1
          expand>NUL "%ctdir%\driver.cab" -f:Pciidex.sys "%SystemRoot%\System32\Drivers"
          if errorlevel 1 goto fehler1
          echo Erledigt.
          echo Eintragen der Registry-Settings...
          regedit -s MergeIDE.reg
          if errorlevel 1 goto fehler2
          echo Erledigt.
          goto raus
          
          :fehler1
          echo Fehler beim Extrahieren der Treiberdateien
          goto raus
          
          :fehler2
          echo Fehler beim Eintragen der Registry-Settings
          goto raus
          
          :raus
          set ctdir=
          
          Dann erstellst du dir eine .reg-Datei mit Namen mergeide.reg mit folgendem Inhalt:
          Windows Registry Editor Version 5.00
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\primary_ide_channel]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="atapi"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\secondary_ide_channel]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="atapi"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\*pnp0600]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="atapi"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\*azt0502]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="atapi"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\gendisk]
          "ClassGUID"="{4D36E967-E325-11CE-BFC1-08002BE10318}"
          "Service"="disk"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#cc_0101]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_0e11&dev_ae33]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1039&dev_0601]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase \pci#ven_1039&dev_5513]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1042&dev_1000]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_105a&dev_4d33]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1095&dev_0640]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1095&dev_0646]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1095&dev_0646&REV_05]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1095&dev_0646&REV_07]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1095&dev_0648]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1095&dev_0649]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1097&dev_0038]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_10ad&dev_0001]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_10ad&dev_0150]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_10b9&dev_5215]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_10b9&dev_5219]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_10b9&dev_5229]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="pciide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_1106&dev_0571]
          "Service"="pciide"
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_1222]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_1230]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2411]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2421]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_7010]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_7111]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CriticalDeviceDatabase\pci#ven_8086&dev_7199]
          "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
          "Service"="intelide"
          
          ;Add driver for Atapi (requires Atapi.sys in Drivers directory)
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi]
          "ErrorControl"=dword:00000001
          "Group"="SCSI miniport"
          "Start"=dword:00000000
          "Tag"=dword:00000019
          "Type"=dword:00000001
          "DisplayName"="Standard IDE/ESDI Hard Disk Controller"
          "ImagePath"=hex(2):53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,44,00,\
          52,00,49,00,56,00,45,00,52,00,53,00,5c,00,61,00,74,00,61,00,70,00,69,00,2e,\
          00,73,00,79,00,73,00,00,00
          
          ;Add driver for intelide (requires intelide.sys in drivers directory)
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\IntelIde]
          "ErrorControl"=dword:00000001
          "Group"="System Bus Extender"
          "Start"=dword:00000000
          "Tag"=dword:00000004
          "Type"=dword:00000001
          "ImagePath"=hex(2):53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,44,00,\
          52,00,49,00,56,00,45,00,52,00,53,00,5c,00,69,00,6e,00,74,00,65,00,6c,00,69,\
          00,64,00,65,00,2e,00,73,00,79,00,73,00,00,00
          
          
          ;Add driver for Pciide (requires Pciide.sys and Pciidex.sys in Drivers directory)
          
          [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PCIIde]
          "ErrorControl"=dword:00000001
          "Group"="System Bus Extender"
          "Start"=dword:00000000
          "Tag"=dword:00000003
          "Type"=dword:00000001
          "ImagePath"=hex(2):53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,44,00,\
          52,00,49,00,56,00,45,00,52,00,53,00,5c,00,70,00,63,00,69,00,69,00,64,00,65,\
          00,2e,00,73,00,79,00,73,00,00,00
          
          Diese beiden Dateien kopierst du in ein Verzeichnis und startest die .bat-Datei. Danach umbauen und XP läuft. Die Datei-Inhalte brauchst du nicht abzuschreiben, sondern per copy und paste in Notepad einfügen.