It works but it is NOT supported for windows 8.
If your CPU does not have Execute Disable Bit Security option in bios it will not install.
Not all processors have this feature.
All Pentium D Models seem to have the NX bit.
So the latest bios would be recommended BEFORE the upgrade.
VISTA will have issues before SP2
SP1 is required before SP2
Full install of SP1 and SP2 is recommended.
Drivers for XPS 400Dimension 9150
BIOS - BIOS
| Description | Importance | Version | Released | Supported OS | Download |
| Dell Dimension System BIOS, A07 Dell Dimension DXP051 A07 System BIOS | Optional | A07 | 1/16/2007 | BIOS | Image may be NSFW. Clik here to view.  |
Audio - Driver
| Description | Importance | Version | Released | Supported OS | Download |
| SIGMATEL STAC 92XX C-Major HD Audio, v.6.10.0.5343, A02 Sigmatel STAC92XX C-Major HD Audio Driver | Recommended | 6.10.0.5343 | 1/30/2007 | Windows Vista 32-bit Windows Vista 64-bit | Image may be NSFW. Clik here to view. |
Chipset - Driver
| Description | Importance | Version | Released | Supported OS | Download |
| Intel Chipset Software Installation Utility, v.8.1.1.1010, A01 Software support for Intel Chipsets. | Recommended | 8.1.1.1010 | 1/22/2007 | Windows Vista 64-bit Windows Vista 32-bit | Image may be NSFW. Clik here to view. |
View the full details here
Click here for all drivers (including historical drivers)
| Quick Links | Image may be NSFW. Clik here to view.  |
