How do I make a via 6421a card boot?

Written by james stone
  • Share
  • Tweet
  • Share
  • Email

An outdated driver for your Serial RAID controller, specifically for the VIA VT6421A, can create potential boot-up problems. When a problem such as this persists; hard disk drives (HDDs), CDs, DVDs, removable media devices or PCI and PCMCIA interfaces may fail to recognise or display errors messages during use. The latest version of the VIA VT6421A driver provides an array of updates, tweaks and fixes for your Serial RAID controller.

Skill level:


  1. 1

    Go to the "VIA Drivers and Support Packages" Web page (see Resources).

  2. 2

    Click an operating system (OS) from the drop-down menu.

  3. 3

    Click an OS version from the drop-down menu.

  4. 4

    Click "IDE, RAID & SATA" from the drop-down menu.

  5. 5

    Click "Discrete Serial ATA RAID Controllers VT6420, VT6421, VT6421A" from the drop-down menu.

  6. 6

    Click the "Download version5.90A" link and save the driver to the Desktop.

  7. 7

    Double-click the driver install package to launch the Install Wizard. Follow the on-screen instructions.

  8. 8

    Restart your computer to complete the process and determine if your VIA VT6421A boots normally.

Tips and warnings

  • Updating drivers for your IDE, RAID or SATA controllers is recommended for better functionality.

Don't Miss

  • All types
  • Articles
  • Slideshows
  • Videos
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the site, you consent to the use of cookies. For more information, please see our Cookie policy.