This site provides I/O microcode (Adapters, Hard drives, Media and Other) for POWER Systems, IBM System p, eServer p5, eServer pSeries, eServer OpenPower and RS/6000 servers and earlier corrective service and other download support, as well as online media ordering.

For POWER8, POWER7, POWER6 and POWER5 based servers, please go to Fix Central for server updates and fix information.

For POWER4 and earlier servers, please go to Legacy firmware downloads for system firmware support.

Device Firmware and microcode on CD-ROM

You can download the CD-ROM images to burn your own "Microcode Update Files and Discovery Tool CD-ROMs".

You must have access to a CD-R or CD-RW drive and software that is capable of creating a CD from an ISO image. Use your software's feature for creating a CD from an ISO image.

Note: The Fix Central web page will always contain the most current I/O microcode. It is recommended that the date of the microcode level needed (located on the Fix Central web page) be compared with the image create dates listed below prior obtaining these images.

These images are in ISO 9660 format.

io_image.iso: Created August 02, 2016
I/O Microcode Update Files and Discovery Tool CD-ROM image
File size 461748224
Checksum 19576

io_image2.iso: Created August 02, 2016
I/O Microcode Update Files and Discovery Tool CD-ROM image2
File size 461344768
Checksum 28911

io_image3.iso: Created August 02, 2016
I/O Microcode Update Files and Discovery Tool CD-ROM image3
File size 321564672
Checksum 64984


Device Firmware and microcode on DVD-ROM

You can download the DVD-ROM image to burn your own "Microcode Update Files and Discovery Tool DVD-ROM".

You must have access to a DVD-R or DVD-RW drive and software that is capable of creating a DVD from an ISO image. Use your software's feature for creating a DVD from an ISO image.

Note: The Fix Central web page will always contain the most current I/O microcode. It is recommended that the date of the microcode level needed (located on the Fix Central web page) be compared with the image create date listed below prior obtaining the iso image.

This image is in ISO 9660 format.

io_image_all.iso: Created August 02, 2016
I/O Microcode Update Files and Discovery Tool DVD-ROM image

File size 1224382464
Checksum 20990

Contents of the io_image_all.iso


Device Firmware update information

The PTF number of the CD-ROMs and change history are available in the CD and microcode update information table. The table includes the file sizes and the PTF numbers to order physical media, if needed.


Order images on-line

Order Microcode Update Files and Discovery Tool on CD-ROM

Using the Microcode Discovery Tools

Follow these steps to begin using the Microcode Discovery Tools on these CDs.

  1. Running the Microcode Discovery Tool requires a user ID whose primary group (pgroup) is "system".
  2. Use the following command to check the primary group (pgroup) setting for a user ID:
    /usr/sbin/lsuser <user id>
  3. If necessary, create a user ID whose pgroup is "system".
  4. Mount the CD-ROM by entering the following command:
    mount -v cdrfs -r /dev/cd0 /cdrom
  5. Then go to: Microcode Survey and update Tools  for information on how to run the tool.