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Archived: Creating a Bootable USB Key for Updating a PXI Controller

This document has been archived and is no longer updated by National Instruments

Hardware: PXI/CompactPCI>>Controllers

I would like to create a bootable USB key for updating my PXI controller’s BIOS in DOS, but I do not have the tools to do so and do not know how. How do I create a bootable USB key to update my PXI controller’s firmware?

To create a bootable USB key for your PXI controller, you will need to use the three programs provided below in the

Step 1: First, you will need to create a virtual floppy drive.
NOTE: If you already have a real floppy drive, you can skip to Step 2.
  1. Extract virtual and run Virtual Floppy Software provided.
  2. Run Vfdwin.exe
  3. Under Driver Tab, select Start
  4. Under Drive0 Tab, select Open»Leave Image File Blank and click Create
  5. Under Drive0 Tab, select Format
  6. Under Drive0 Tab, select Change (Drive Letter) and change it to A: (or whatever you want)

You now have a virtual floppy drive that should show up under My Computer

Step 2: Next, you will need to format your virtual floppy drive or real drive with the Boot98 software provided.
  1. Extract
  2. Run boot98.exe and format the floppy drive.

Step 3: Finally, you will create a bootable USB key.
  1. Extract
  2. Install SP27608.exe
  3. Run HPUSBFW.exe
  4. Insert USB Flash Drive to be formatted
  5. Select File System to be FAT32
  6. Under Format options, select Create a DOS startup disk
  7. Select Browse under Using DOS system files located at:, and point to the Floppy drive that was formatted in Step 2
  8. Once the formatting has been completed, you can copy the PXI BIOS files (see link below for more details) or any other files to the USB key.

Related Links:
KnowledgeBase 2GIGKD0Z: Determining and Upgrading PXI and VXI Embedded Controller BIOS Versions


Report Date: 12/05/2006
Last Updated: 08/22/2014
Document ID: 444A570L

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