Have you notice that your system is very slow with windows vista? If so, today tip is very useful for you to speed up your windows vista with only a few easy steps. There is a default setting in windows vista which is used to manage the cache writing on disk. By default windows enabled the write caching on disk but the advanced performance setting is disabled.

Below are the steps to enable the advanced performance setting:

Firstly, right click your “My Computer” icon and click “manage”.

A windows will appear on the screen with title of “Computer Management”, now select the Device Manager option, then double-left-click the SATA Disk under the Disk Drives. And finally, check the boxes of “Enable write caching on the disk” and “Enable advanced performance”.
This option is only selectable on SATA hard disk, else if using PATA or IDE hard disk, you won’t see the options, or the settings are grayed out or disabled.

My advice to you:
As you can see in the description, “Recommended only for disks with a backup power supply. This setting further improve disk performance, but it also increases the risk of data loss if the disk loses power.” So, enabling of advanced performance will hold more writable data in the memory cache to further improve disk performance, you are advice to use this option only if your disks do have a backup power supply, such as system protected by UPS (Uninterruptible Power Supply) or notebook and laptop computer with charged cell battery pack to fall back. This configuration will increase the risk of data loss if the disk loses power.