Maintenance level 04B0 for 4690 Operating System V3 R2
(5639-M77) is available here as CD-ROM images.  The images
are in .iso format.  If assistance is needed burning the
CD-ROM, information can be found on Retail Store Solution's support
database at: http://techsupport.services.ibm.com/retail/support.
Enter CD-ROM in the search box. Click Go.
The title of the article is 'How To Burn
ISO CD-ROM Images For 4690 OS Systems'.

    PTF      Language           ISO File

  UR54585   U.S. English        04b0-eng-4690osv3r2.iso
  UR54586   Canadian French     04b0-can-4690osv3r2.iso
  UR54587   Danish              04b0-dan-4690osv3r2.iso
  UR54588   French              04b0-fra-4690osv3r2.iso
  UR54589   German              04b0-ger-4690osv3r2.iso
  UR54590   Spanish             04b0-spa-4690osv3r2.iso
  UR54592   Japanese            04b0-jpn-4690osv3r2.iso
  UR54593   Korean              04b0-kor-4690osv3r2.iso
  UR54591   Traditional Chinese 04b0-cht-4690osv3r2.iso