Promise Win9x-ME Promise MBUltra133 (PDC20276) (tm) IDE Controller Driver Download

Promise Drivers

The Promise MBUltra133 (PDC20276) (tm) IDE is a disk drive controller manufactured by Promise. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "" is rated (4 out of 5 stars) based on 664 downloads and 17 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 145.0 KB.

17 Ratings (see all reviews)

Supported Models

WinNT Promise Ultra66 (tm) IDE Controller

Win2000 Promise MBUltra133 (PDC20276) (tm) IDE Controller

Win9x-ME Promise MBUltra133 (PDC20276) (tm) IDE Controller

WinNT Promise MBUltra133 (PDC20276) (tm) IDE Controller

WinXP Promise MBUltra133 (PDC20276) (tm) IDE Controller



Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1

File Name


2.00.1020.40 (2002-08-29) via .inf

Uploaded By

DriverGuide (DG Staff Member) on 17-Sep-2003

Ratings & Reviews

See all Promise Win9x-ME Promise MBUltra133 (PDC20276) (tm) IDE Controller ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Win9x-Me/ULTRA.INF 10.8 KB 29 Aug 2002
Win9x-Me/ultra.mpd 40.7 KB 29 Aug 2002
Win9x-Me/ULTRA.CAT 7 bytes 2 Jun 2000
Win9x-Me/PTISTP.DLL 36.9 KB 2 Jun 2000
Win9x-Me/ADVPACK.DLL 80.9 KB 2 Jun 2000
Win9x-Me/PU66VSD.VXD 8.7 KB 2 Jun 2000
WIN2000/ULTRA.INF 8.5 KB 29 Aug 2002
WIN2000/ULTRA.CAT 7 bytes 2 Jun 2000
WIN2000/ultra.sys 35.9 KB 29 Aug 2002
README.TXT 1.5 KB 29 Aug 2002
TXTSETUP.OEM 4.4 KB 19 Dec 2001
WinXP/ULTRA.INF 4.2 KB 29 Aug 2002
WinXP/ULTRA.CAT 7 bytes 2 Jun 2000
WinXP/ultra.sys 26.1 KB 29 Aug 2002
ULTRA 7 bytes 2 Jun 2000
NT4/ULTRA.INF 10.8 KB 29 Aug 2002
NT4/ULTRA.CAT 7 bytes 2 Jun 2000
NT4/ultra.sys 41.2 KB 29 Aug 2002

How to Update Win9x-ME Promise MBUltra133 (PDC20276) (tm) IDE Controller Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Win9x-ME Promise MBUltra133 (PDC20276) (tm) IDE Controller driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Promise Win9x-ME Promise MBUltra133 (PDC20276) (tm) IDE Controller into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Promise Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Promise website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with Promise. All company names/logos are properties of their owners.
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